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Android Beam
Android Beam
Android Beam
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from Wikipedia
Android Beam
DeveloperGoogle
Initial release2011; 14 years ago (2011)
Operating systemAndroid OS
SuccessorNearby Share
Service nameFile sharing
TypeUtility software
LicenseApache License 2.0

Android Beam is a discontinued feature of the Android mobile operating system that allowed data to be transferred via near field communication (NFC).[1] It allowed the rapid short-range exchange of web bookmarks, contact info, directions, YouTube videos, and other data. Android Beam was introduced in 2011 with Android Ice Cream Sandwich.[2] This was improved after Google acquired Bump. By 2017, ComputerWorld included Android Beam in a list of "once-trumpeted features that quietly faded away", observing that "despite the admirable marketing effort, Beam never quite worked particularly well, and numerous other systems for sharing stuff proved to be simpler and more reliable."[2]

Android Beam was deprecated starting with Android 10 in January 2019,[3][4][5] and was removed completely in Android 14.[6] Google replaced Android Beam with the introduction of Nearby Share, which is an AirDrop competitor by Google.[7]

Description

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Usage

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Android Beam is activated by placing devices back to back with the content to be shared displayed on the screen. If the content is able to be sent, the screen will shrink down and display "Tap to Beam" at the top. Tapping the screen sends the content from one device to the other. A sound will play when devices are near and able to beam. When the data has been sent, a confirmation tone will play or a negative tone will play if failed and the content will shrink off the screen indicating beaming is complete. Sharing is one direction and the device sending content will not get content from the receiving device.

Requirements

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To activate Android Beam, both devices must support NFC (Near field communication) and have it enabled in addition to passing the lock-screen or logging in.

4.1 Jelly Bean update

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As of Android 4.1 Jelly Bean, devices can use Android Beam to send photos and videos over Bluetooth. Android Beam uses NFC to enable Bluetooth on both devices, instantly pair them, and disable Bluetooth once complete automatically on both devices. This only works between Android devices version 4.1 and above.

Application support

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For beaming of specific content, an app is allowed to control the content being sent when adding Android Beam support. If the app does not specify data, beaming the app will open it on the receiving device. If the receiving device does not have the app, it will open the application page in the Play Store.

S Beam

[edit]

S Beam refers to an extension of Android Beam by Samsung, first used on their Galaxy S III phones. It uses the near-field communication to establish a Wi-Fi Direct connection between two devices for the data transfer, instead of a Bluetooth connection.[8] This results in faster transfer speeds between devices which feature S Beam. S Beam is limited to select Samsung devices with S Beam support, such as the Samsung Galaxy S III and Samsung Galaxy S4.[9][10]

See also

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References

[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia

Android Beam

View on Grokipedia
from Grokipedia
Android Beam is a peer-to-peer data sharing feature in the Android operating system that utilizes near-field communication (NFC) to enable users to transfer content such as contacts, photos, videos, web pages, and app links between compatible devices by simply holding them back-to-back. Introduced with Android 4.0 Ice Cream Sandwich in October 2011, Android Beam allows instant sharing without requiring menu navigation or device pairing, leveraging NFC for initial detection and connection establishment. In Android 4.1 Jelly Bean, released in July 2012, the feature was enhanced to incorporate Bluetooth for transferring larger payloads like images and videos, improving reliability and speed for files beyond NFC's limited bandwidth. The functionality relies on NFC to detect proximity—typically within 4 cm—and exchange NDEF (NFC Data Exchange Format) messages containing URIs or types that trigger the receiving device's appropriate handler, such as opening a in a browser or initiating a handover for direct file transfer. Developers could integrate custom interactions, like sharing game states or video links, by handling specific intents in their apps. Android Beam was officially deprecated in , released in September 2019, as shifted focus to more modern sharing methods like (now Quick Share), though original equipment manufacturers (OEMs) could optionally retain support in their custom builds. The feature was fully removed from the core Android platform in , released on October 4, 2023, rendering it unavailable on stock Android devices running and later without OEM modifications. Despite its obsolescence, Android Beam exemplified early adoption of NFC for intuitive, contactless interactions and influenced subsequent wireless sharing technologies.

Introduction

Definition and Purpose

Android Beam is a feature of the Android operating system that leverages near-field communication (NFC) technology to allow the transfer of data between two NFC-enabled Android devices by simply holding them back-to-back. This functionality enables users to initiate sharing with a touch, bypassing traditional wireless setup processes. The primary purpose of Android Beam is to streamline the exchange of data items, such as contacts, web URLs, photos, videos, music files, and content from apps like links, without requiring pairing, additional applications, or complex menus. By facilitating instant sharing in mode, it promotes seamless device interactions during social gatherings, collaborative work, or casual encounters, making content transfer as intuitive as a physical . Introduced in 2011 as part of Android's broader initiative to incorporate NFC for accessible consumer features—alongside tools like — marked an early effort to enhance mobile connectivity through proximity-based technology. A key benefit of this approach is its ability to reduce the friction of compared to conventional alternatives like emailing attachments or relying on cloud synchronization services, which often involve multiple steps and delays.

Basic Functionality

Android Beam relies on (NFC) in mode to establish a connection between two compatible devices when they are positioned back-to-back within approximately 4 cm of each other. This close proximity enables the devices to detect one another through an NFC , initiating the data exchange process without requiring manual pairing or additional setup. The leverages the NFC field to confirm mutual presence and readiness for transfer. The core transfer protocol uses NFC Data Exchange Format (NDEF) messages to encapsulate the data, which can include text, URIs, or MIME-typed payloads structured as records with type, identifier, and payload fields. These NDEF messages are exchanged via the Simple NDEF Exchange Protocol (), operating over the Logical Link Control Protocol (LLCP) to manage peer-to-peer sessions with ordered, error-checked transmission. On the sending device, the selected content is formatted into an NDEF message upon NFC detection; the receiving device then receives the message and prompts the user to accept it, subsequently opening the content in the relevant application if approved. In the data flow, the sender activates NFC and selects content from an open app or screen, triggering the transfer automatically once the handshake succeeds. For small payloads like contacts or links, the exchange completes directly over NFC; starting in Android 4.1 Jelly Bean, larger files prompt Android Beam to initiate a connection for the actual transfer, maintaining the NFC-initiated seamlessness. Devices provide haptic feedback through vibration to indicate connection establishment and transfer completion. If the NFC handshake fails—due to excessive distance, misalignment, or interference—no transfer occurs, and there is no automatic retry mechanism.

History

Launch in Android 4.0

Android Beam was unveiled on October 19, 2011, during Google's announcement of Android 4.0 Ice Cream Sandwich at a press event in Hong Kong, where it was demonstrated on the then-upcoming Samsung Galaxy Nexus smartphone. The feature was designed to leverage near-field communication (NFC) for quick device-to-device sharing, marking a significant expansion of Android's connectivity options. Android 4.0 officially launched with the Galaxy Nexus in November 2011, starting with availability in markets like the United Kingdom on November 17 and the United States shortly thereafter, making Android Beam accessible on the first NFC-equipped device running the new OS version. At launch, Android Beam supported the sharing of predefined content types, including contacts, web URLs, map locations, and video links, by simply touching two NFC-enabled Android 4.0 devices back-to-back after enabling the feature manually in the device's settings menu. This peer-to-peer functionality built upon the NFC support first introduced in Android 2.3 , which primarily enabled reading and writing NFC tags, but Android 4.0 extended it to direct data exchange between devices without requiring additional pairing steps. Developers could integrate app-specific interactions, such as sharing Store links for apps, though customization was limited to basic intents at this stage. Initial adoption was confined to NFC-capable hardware, with the serving as the flagship device to showcase the feature, as NFC chips were not yet widespread in the Android ecosystem. positioned Android Beam as a convenient alternative to traditional sharing methods like , aiming to streamline interactions in social and collaborative scenarios, though its rollout was tempered by the limited availability of compatible devices beyond early flagships. Early users praised its simplicity for quick transfers, but hardware constraints meant broader uptake depended on future NFC integration in mid-range phones. Among its early limitations, Android Beam was restricted to small data payloads—typically under 1 MB—due to NFC's low bandwidth, making it unsuitable for larger files like high-resolution photos or videos at launch. Sharing required both devices to have NFC enabled and screens unlocked, with no automatic fallback to other protocols, which could interrupt ongoing tasks during the brief touch interaction. These constraints highlighted NFC's role as an initiator rather than a full transfer medium, setting the stage for subsequent refinements.

Enhancements in Android 4.1 Jelly Bean

Android 4.1 Jelly Bean was announced on June 27, 2012, during the Google I/O developer conference, marking an incremental update to the Android operating system with a focus on performance and user experience refinements. Over-the-air (OTA) updates began rolling out in July 2012, initially for Nexus devices such as the Galaxy Nexus and Nexus S, and the feature shipped pre-installed on the newly launched Nexus 7 tablet. This release built upon the NFC-based sharing introduced in Android 4.0 Ice Cream Sandwich by addressing limitations in transfer speed and payload size. A primary enhancement to in Android 4.1 involved integrating as the primary transport mechanism for data after an initial NFC handshake, enabling the sharing of larger files such as and videos that exceeded NFC's bandwidth constraints. Previously restricted to small data like contacts or URLs, now supported broader content types by automatically switching to for the actual transfer, with NFC used only for device discovery and confirmation. This upgrade made the feature more practical for everyday use, similar to Samsung's S Beam on competing devices. Separately, Android 4.1 introduced NFC-based tap-to-pair functionality for compatible accessories, such as speakers. On the development side, Android 4.1 introduced new API methods in the NfcAdapter class, including setBeamPushUris() and setBeamPushUrisCallback(), allowing apps to register and push uniform resource identifiers (URIs) for custom content sharing over Android Beam. These enhancements enabled developers to integrate Beam directly into their applications, permitting the transmission of app-specific data beyond system defaults, such as URIs to media files or actions that launch the receiving app with predefined content. These changes significantly increased Android Beam's versatility, facilitating seamless sharing from within apps—for instance, beaming a YouTube video URI to open directly in the recipient's YouTube app or sharing a location for navigation. The broader rollout to devices like the Nexus 7 further popularized the feature among users, emphasizing its role in quick, intuitive content exchange without relying solely on cloud services.

Deprecation and Removal

Google deprecated the Android Beam API in Android 10 (API level 29), which was released in September 2019, due to its low usage over time and the availability of superior alternatives for device-to-device content sharing. Despite the deprecation, the feature continued to function on devices running Android 10 through Android 13, allowing apps targeting API level 28 or lower to access it via legacy NFC peer-to-peer APIs, though it was no longer actively developed or supported by Google. Android Beam was permanently removed in (API level 34), released in October 2023, eliminating all remnants from the and NFC framework, including Beam-specific NFC intents, with no provision for . This removal addressed longstanding limitations of NFC-based peer-to-peer sharing, such as its inability to efficiently handle large files—often relying on subsequent or transfers—and potential security risks in direct device interactions, amid a broader industry shift toward cloud-based and wireless sharing methods like . Usage of Android Beam had steadily declined as and technologies became more ubiquitous and reliable for peer-to-peer transfers. For developers, the deprecation required migrating apps that depended on Android Beam to alternative sharing mechanisms, with Google recommending Nearby Share for initiating transfers between nearby devices. In 2019, Google updated its developer documentation to guide this transition, emphasizing the use of modern APIs for secure and efficient data exchange, ensuring apps could continue supporting content sharing without the deprecated NFC initiation.

Technical Specifications

Hardware Requirements

Android Beam requires devices equipped with Near Field Communication (NFC) hardware that supports peer-to-peer (P2P) mode, as defined by the ISO/IEC 18092 standard for NFC interface and protocol. This capability enables direct data exchange between two active NFC-enabled devices without relying on intermediary tags. The NFC chip must also comply with proximity card standards such as ISO/IEC 14443 Type A and B for compatible communication protocols. Such hardware became available in mid-range Android smartphones starting around 2011, marking the introduction of P2P functionality beyond basic tag reading. The NFC antenna is typically integrated into the rear panel of the device to facilitate back-to-back contact between phones, with an operational proximity limited to approximately 4 cm to ensure secure and intentional data transfer. No specialized CPU or GPU is required beyond the dedicated NFC controller integrated into the . However, the device's screen must be powered on and unlocked for Android Beam to activate, as the feature relies on user interaction to initiate sharing. Compatible devices include the , the first Android phone to support Android Beam upon its launch in 2011, followed by subsequent models in the and series, as well as many Samsung flagships up to those running Android 10. Non-NFC devices cannot utilize Android Beam at all. For , older NFC chips predating 2011, such as those in early devices like the , generally lack full P2P support and are restricted to reader/writer modes for interacting with passive tags only.

Software Requirements

Android Beam requires a minimum operating system version of Android 4.0 , corresponding to level 14, where the feature was initially introduced to enable NFC-based of content such as apps, contacts, and media between compatible devices. Full enhancements, including the use of for transferring larger files like photos and videos after NFC initiation, became available starting with Android 4.1 Jelly Bean ( level 16). The feature remained functional through subsequent Android versions up to (API level 33), providing backward compatibility for devices running these OS releases, though it was officially deprecated in (API level 29) and no longer under active development, with availability limited to optional support by device manufacturers. was completely removed in (API level 34), eliminating the feature from the NFC framework in the . From a development perspective, Android Beam relies on key NFC APIs introduced in API level 14, primarily the NfcAdapter class to initiate beam transfers and manage NFC operations, such as enabling or disabling the adapter via getDefaultAdapter(). Data packaging for transfer uses the createNdefMessage() method to construct NDEF (NFC Data Exchange Format) messages containing URIs, MIME types, or other payloads, with additional methods like createUri() and createExternal() added in API level 14 and expanded in API level 16 for more flexible record creation. Applications integrating Android Beam must declare the android.permission.NFC permission in their AndroidManifest.xml file to access these APIs, and optionally the android.hardware.nfc feature to indicate hardware dependency. User activation of Android Beam occurs through the device's settings menu, typically navigated to Settings > More > Android Beam in pre-Android 10 interfaces, where users can toggle the feature on or off after enabling NFC. Officially, Android Beam support is tied to stock Android implementations across compatible OS versions, though custom ROMs on older hardware may retain or emulate the functionality through modified NFC stacks, provided the underlying APIs remain intact.

Usage Instructions

Enabling and Activating

To enable Android Beam on compatible Android devices, users must first ensure that (NFC) is activated, as Android Beam relies on this hardware feature for operation. The primary navigation path in stock Android versions from 4.0 () through 6.0 () involves opening the Settings app, selecting "Wireless & networks," tapping "More," and then toggling NFC to the "On" position; within the same NFC submenu, users tap "Android Beam" and select "Turn on" to activate the feature. In later versions such as Android 7.0 () to 9.0 (), the path shifts slightly to Settings > "Connected devices" > "Connection preferences" > "NFC," where enabling NFC automatically makes Android Beam available as a sub-option to toggle on, though some manufacturer skins like Samsung's place it under Settings > "Connections" > "NFC and payment" > "Android Beam." Before activation, devices must meet basic prerequisites: NFC hardware support (standard on most smartphones since 2011), an operating system version between Android 4.0 and 9.0, and both screens unlocked with NFC enabled; the devices should also be held within 4 centimeters of each other during use, though this proximity check occurs post-enablement. Upon first enabling NFC or Android Beam, the system may display a prompt requiring users to confirm permissions for NFC access, but no login or additional authentication is necessary beyond standard device setup. If Android Beam does not appear in settings or fails to toggle, troubleshooting involves verifying the OS version (must be pre-Android 10, as it was deprecated thereafter) and hardware compatibility via device specifications; users can resolve visibility issues by disabling and re-enabling NFC, restarting the device, or checking for system updates that might affect NFC functionality.

Sharing Process

To initiate a sharing session using Android Beam, the sender first opens the desired content or application on their device, such as a contact in the phone app or a webpage in the browser. The sender then positions their device back-to-back with the receiver's device, ensuring both screens are facing outward and the NFC areas are aligned closely, typically within a few centimeters. Upon successful NFC detection, both devices vibrate, and the sender's screen displays a "Touch to beam" prompt. The sender taps the screen to confirm and start the transfer, after which the content is sent via NFC, potentially augmented by for larger files. On the receiver's side, the device automatically detects the incoming NFC signal during the back-to-back positioning and vibrates to indicate connection. A notification or preview of the incoming content appears on the receiver's screen, often prompting the user to tap to accept the transfer. If accepted, the data is received and automatically opens in the default associated application or saves to a designated location, such as the Downloads folder for files or an app-specific directory for items like contacts. The receiver does not need to perform additional actions beyond acceptance, though the device may prompt for app installation if the content requires a specific handler. The transfer completes with a confirmation or sound on both devices, signaling successful delivery. If the devices move out of NFC range or the receiver declines the prompt, an error sound or notification indicates failure, and the process must be restarted. Android Beam supports only pairwise transfers between two devices at a time, with no provision for group sharing. Common use cases include beaming a contact card from the phonebook application or a directly from a browser, where the receiver can immediately view or save the shared item upon completion.

Supported Content

Types of Data

Android Beam primarily facilitated the sharing of small data payloads formatted as NFC Data Exchange Format (NDEF) messages between compatible devices. Core supported types included contacts in vCard format, which allowed users to exchange contact information such as names, phone numbers, and email addresses directly from the Contacts app. URLs and web pages were shared as hyperlinks, enabling quick access to websites or specific online content on the receiving device. Photos and videos could be shared from gallery apps, initially limited to very small files (typically a few kilobytes) via direct NFC transmission, with the system handling them via MIME types like image/jpeg or video/mp4 within NDEF records. Maps and directions were shared as URI links to applications like Google Maps, providing location data or routes. YouTube videos were typically beamed as embedded links rather than full files, directing the recipient to the video playback page. The feature was restricted to small payloads transmitted directly over NFC, which had inherent bandwidth limitations typically capping effective transfers at a few kilobytes without additional protocols. For larger files, such as bigger photos or videos, Android Beam prompted a fallback to in supported implementations, allowing completion of the transfer after NFC initiation. This handover mechanism expanded usability but still required user confirmation and compatible hardware. System-level content like events could be shared in formats compatible with NDEF, such as vCalendar equivalents, from the app. Music tracks were often shared via links to media players or online sources rather than full audio files. App shortcuts, including links to install or open applications from the Store, were also supported, promoting app discovery between users. In its initial release with Android 4.0, sharing was limited to predefined system types like contacts, app links, and basic media, relying solely on NFC for transmission. Following enhancements in Android 4.1 , the feature supported any NDEF-compatible , broadening to include custom payloads from third-party apps while integrating for larger transfers. Certain content was not supported, including large videos or files exceeding fallback capabilities without manual intervention, as well as executables or sensitive system to prevent unauthorized access or risks.

Application Integration

Developers integrated Android Beam support into third-party applications primarily through the Android NFC APIs, enabling seamless peer-to-peer data sharing via NDEF messages when devices were tapped together. The core method for pushing content from a foreground activity was NfcAdapter.enableForegroundNdefPush(Activity, NdefMessage), which allowed apps to register and transmit NDEF payloads, including custom MIME types for app-specific data, without requiring the user to navigate away from the current screen. This API, introduced in API level 10 and enhanced in later versions, handled the creation and transmission of NDEF records, such as text, URIs, or application-specific payloads, facilitating quick transfers like URLs or images. To receive beamed content, applications declared intent filters in the AndroidManifest.xml file for actions like android.nfc.action.NDEF_DISCOVERED or android.nfc.action.BEAM, along with the <uses-permission android:name="android.permission.NFC" /> declaration and a minimum SDK target of level 14 for full P2P support. Apps targeting level 16 (Android 4.1 ) or higher could opt into enhanced Beam functionality automatically if they supported standard sharing intents (e.g., ACTION_SEND), allowing the system to prompt users for NFC taps during share operations without additional code. provided sample implementations in the , such as the NFC Beam demo, to illustrate NDEF message creation and handling for developers. Representative examples of integration include the Chrome browser, which used Beam to share web URLs as URI NDEF records, enabling instant opening on the receiving device; the Gallery app, which transmitted images via image MIME types; and , which shared email attachments or links as text or URI payloads. These integrations allowed developers to leverage Beam for context-aware sharing, improving user experience by bypassing traditional share sheets for NFC-enabled scenarios. Following the deprecation of Android Beam APIs in (API level 29) announced in 2019, developers were encouraged to migrate to alternative sharing mechanisms, such as standard Share Intents for general content dissemination or the for robust P2P transfers supporting larger payloads and broader connectivity options like and .

Limitations and Criticisms

Technical Limitations

Android Beam's data transfer capabilities were constrained by the underlying NFC technology, which operates at a maximum speed of 424 kbps, making it suitable primarily for small payloads such as contacts, URLs, or short text strings transmitted directly via NDEF messages. For larger files like photos or videos, Android Beam relied on for the actual transfer after NFC initiation, resulting in effective speeds of approximately 100-200 KB/s due to classic limitations, which often made transfers of files exceeding 1 MB impractically slow—sometimes taking minutes for even modest sizes—without the acceleration available in proprietary extensions like Samsung's S Beam. Larger attempts could fail if pairing was unstable, as the feature lacked built-in support for resuming interrupted transfers, requiring users to restart the entire process from the NFC tap. The required proximity for NFC activation imposed a strict operational range of about 4 cm between devices, demanding precise back-to-back alignment to establish the connection reliably; deviations beyond this distance frequently prevented initiation. Reliability was further compromised by environmental factors, including interference from metallic surfaces or thick phone cases, which could detune the NFC antenna and block signal transmission entirely, as metal induces eddy currents that disrupt the 13.56 MHz . Battery consumption from Android Beam usage was minimal, as NFC hardware draws low power (typically under 15 mA during active reads/writes), and Bluetooth activation was brief and automatic; however, repeated attempts due to failed transfers could incrementally drain the NFC chip's resources in prolonged sessions. Compatibility was limited to NFC-equipped Android devices running version 4.0 () or higher, with both needing explicit Android Beam support up to Android 9; cross-platform transfers with non-Android OSes, such as , were unsupported due to the feature's Android-specific NDEF protocols and Bluetooth handoff. In terms of scalability, Android Beam operated strictly as a protocol between two devices, with no provisions for multi-device broadcasting, group transfers, or background operations; it always necessitated active user presence for the NFC touch and confirmation, preventing automated or unattended sharing scenarios.

Security and Privacy Issues

Android Beam's reliance on (NFC) introduces potential security and privacy risks, primarily due to the feature's proximity-based activation. Devices must be held back-to-back within a few centimeters to initiate a transfer, which minimizes remote but raises concerns in crowded environments where accidental contact could trigger the process if NFC remains enabled. However, transfers require explicit user confirmation via an on-screen prompt, preventing fully unintended sharing. Data transferred via Android Beam, such as contacts, URLs, or media previews, is exchanged as unencrypted NDEF messages over NFC's mode, lacking and relying instead on the protocol's short range (typically under 4 cm) and device-level protections like screen locks or app permissions for security. This exposes shared content to potential during transit if an attacker is in immediate proximity, though the brief exposure window limits practical risks. Previews of incoming data may also display sensitive information on the receiving device before acceptance, potentially compromising if the screen is visible to others. Historical vulnerabilities in NFC, including those affecting Android Beam, have included relay attacks where attackers intercept and forward signals between devices to bypass proximity requirements, demonstrated as feasible on Android platforms before mid-2010s security patches. For instance, a 2012 exploit allowed NFC interactions via Android Beam to automatically launch a web browser, enabling drive-by downloads or phishing without full user awareness. Additionally, a 2019 vulnerability (CVE-2019-2114) permitted beaming malicious apps without the standard installation prompt, which could be exploited in close-range scenarios to install malware covertly. While Beam mandates explicit acceptance for legitimate transfers, such flaws could facilitate social engineering by tricking users into proximity or confirming disguised prompts. To mitigate privacy risks, Android Beam incorporates user controls such as mandatory touch-to-beam prompts and settings to disable NFC or the feature entirely, ensuring no automatic sharing of without deliberate selection. These safeguards prevent passive data leakage, as only explicitly chosen content (e.g., from apps or the system) can be beamed. Post-incident security improvements addressed NFC-related weaknesses, with Android 4.3 introducing SELinux in enforcing mode to enhance system isolation and prevent from abusing NFC components like Beam for unauthorized access. Subsequent updates, including the October 2019 patch for CVE-2019-2114, further restricted Beam's privileges by removing it from trusted sources, reducing the potential for sideloaded exploitation.

S Beam

S Beam is Samsung's proprietary extension of the Android Beam feature, introduced with the Galaxy S III in May 2012 as part of the . This enhancement aimed to improve content sharing on devices by leveraging additional hardware capabilities beyond the standard NFC-based transfers in Android Beam. Functionally, S Beam initiates connections via NFC to detect nearby devices but switches to for the actual data transmission, enabling the sharing of larger files—such as videos and photos—for example, a 1 GB video in about three minutes at speeds up to 300 Mbps. The process requires users to enable S Beam in the settings on both participating devices, ensure NFC and are active, open the desired content (like contacts, images, or web links), and touch the backs of the phones together; NFC handles the handshake, after which completes the transfer without needing constant proximity. Compatibility is limited to Samsung devices supporting NFC and , such as the Galaxy S III, Galaxy S IV, and Galaxy Note II. Compared to standard Android Beam, which uses Bluetooth for larger payloads and imposes practical size limits due to slower speeds, S Beam offers unrestricted handling of multimedia files through its Wi-Fi Direct integration. It maintains backward compatibility by falling back to Android Beam protocols for small data exchanges with non-Samsung Android devices. However, S Beam was eventually discontinued on Samsung devices with the rollout of and later versions, aligning with Google's official deprecation of the underlying Android Beam functionality in that OS release. As of September 2025, leaks from 8.5 firmware suggest a similar NFC-initiated file sharing feature, integrated with Quick Share, may return with the S26 series.

Modern Alternatives

Following the deprecation of Android Beam in , introduced in 2020 as its primary replacement for device-to-device content sharing on Android devices. leverages and technologies to enable contactless file transfers between compatible devices, supporting ranges up to approximately 100 meters via in optimal conditions, eliminating the need for hardware or close physical proximity. This system allows users to share photos, videos, documents, links, and other data without requiring an connection for direct transfers, prioritizing speed and convenience over Beam's touch-based limitations. In January 2024, unified with Samsung's Quick Share into a single platform, rebranded as Quick Share, to standardize across the Android ecosystem. In September 2025, Quick Share received a fullscreen UI redesign with dedicated Receive and Send tabs, enhancing accessibility via Quick Settings and the share sheet. This merged solution extends compatibility to Windows PCs (version 10 and later) through a dedicated app, facilitating seamless transfers between Android devices and computers, while incorporating to protect shared content during transmission. Quick Share maintains the and foundation but adds enhanced privacy controls, such as temporary "Everyone" visibility for 10 minutes, and supports sharing with up to five recipients simultaneously. Beyond Quick Share, Android users have access to other built-in and third-party alternatives for device-to-device sharing. Direct remains a native option for transferring files over short distances (typically up to 10 meters), integrated into the system's share menu without additional setup. For larger or remote shares, users can generate temporary links via the Drive app, allowing recipients to download files through a browser or app, though this requires an internet connection. Third-party apps like provide AirDrop-like functionality, using for high-speed, offline transfers of large files across Android and other platforms, often exceeding Quick Share in raw speed for bulk operations. These modern alternatives offer significant advantages over Android Beam, including faster transfer rates (up to tens of MB/s depending on hardware), extended ranges beyond NFC's few centimeters, and support for much larger file sizes without the strict data limits imposed by NFC protocols. Quick Share, in particular, is deeply integrated into and later versions, appearing directly in the share sheet and quick settings without requiring separate toggles, streamlining the user experience. The transition from Android Beam to these alternatives was facilitated by system prompts starting in , where users attempting to use Beam were directed to enable Nearby Share (now Quick Share) in settings. While Beam relied on direct NFC tapping, Quick Share employs Bluetooth proximity detection for automatic device discovery or optional QR codes for initiating shares in crowded or distant scenarios, ensuring a smooth migration without NFC dependency.

References

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  31. https://developer.android.com/reference/android/nfc/NfcAdapter#enableForegroundNdefPush(android.app.Activity,%20android.nfc.NdefMessage)
  32. https://developer.android.com/guide/topics/connectivity/nfc/nfc
  33. https://www.lenovo.com/us/en/glossary/nfc/
  34. https://www.lenovo.com/us/en/glossary/android-beam/
  35. https://www.androidpolice.com/nfc-guide/
  36. https://squareup.com/us/en/the-bottom-line/managing-your-finances/nfc
  37. https://eccel.co.uk/how-metalwork-impacts-nfc-antenna-detuning/
  38. https://www.bluebite.com/nfc
  39. https://conference.hitb.org/hitbsecconf2015ams/wp-content/uploads/2014/12/WHITEPAPER-Relay-Attacks-in-EMV-Contactless-Cards.pdf
  40. https://www.theverge.com/2012/7/26/3188098/android-beam-nfc-flaw-charlie-miller-exploit-black-hat
  41. https://www.zdnet.com/article/android-bug-lets-hackers-plant-malware-via-nfc-beaming/
  42. https://lifehacker.com/how-to-prevent-beam-based-hacks-on-your-android-1839608741
  43. https://source.android.com/docs/security/enhancements
  44. https://www.forbes.com/sites/zakdoffman/2019/11/02/new-android-threat-contactless-payment-technology-open-to-attackchange-your-settings/
  45. https://www.cnet.com/tech/mobile/samsung-unveils-galaxy-s-iii-phone-with-quad-core-android-ics/
  46. https://pcper.com/2012/05/samsung-galaxy-s-iii-officially-announced-at-samsung-unpacked/
  47. https://www.phonearena.com/news/Samsung-Galaxy-S-III-S-Beam-feature-demo_id29803
  48. https://www.cnet.com/tech/mobile/how-to-use-s-beam-on-your-samsung-galaxy-s3/
  49. https://www.samsung.com/my/support/mobile-devices/what-is-s-beam-and-how-do-i-use-it-on-my-samsung-galaxy-note-3/
  50. https://stackoverflow.com/questions/15343617/nfc-what-is-the-difference-between-s-beam-and-android-beam
  51. https://www.cnet.com/tech/mobile/samsungs-s-beam-teaches-android-a-new-trick/
  52. https://source.android.com/docs/whatsnew/android-10-release
  53. https://www.sammobile.com/news/remember-samsung-s-beam-comeback-kind-of/
  54. https://blog.google/products/android/nearby-share/
  55. https://blog.google/products/android/ces-2024-android-updates/
  56. https://9to5google.com/2025/09/24/quick-share-fullscreen-redesign/
  57. https://www.android.com/better-together/quick-share-app/
  58. https://support.google.com/android/answer/9286773
  59. https://blog.google/products/android/how-to-use-quick-share-android/
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