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Samsung Galaxy M51

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Samsung Galaxy M51
BrandSamsung
ManufacturerSamsung Electronics
TypePhablet
SeriesSamsung Galaxy M series
First releasedAugust 31, 2020; 5 years ago (2020-08-31)
Availability by regionSeptember 11, 2020 (2020-09-11)
SuccessorSamsung Galaxy M52 5G
Samsung Galaxy M62
Related
Dimensions163.9 mm (6.45 in) H
76.3 mm (3.00 in) W
9.5 mm (0.37 in) D
Operating systemAndroid 10 with One UI 2.1
System-on-chipQualcomm SDM730 Snapdragon 730G (8 nm)
CPUOcta-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
GPUAdreno 618
Memory6/8GB RAM
Storage128GB/512GB ROM
Removable storageSD card
Battery7000 mAh non-removable Lithium Polymer
Charging25W Fast Charging
Rear camera
Front camera
Display6.7 in sAMOLED Plus 1080 x 2400 pixels, 20:9 ratio (~385 ppi density)
Data inputsUSB-C
ModelSM-M515F/DSN
SAR
  • 0.61 W/kg (head)
  • 1.45 W/kg (body)
Websitewww.samsung.com/in/smartphones/galaxy-m51-m515fz-6gb/SM-M515FZBDINS/
References[1] [2]

The Samsung Galaxy M51 is a mid-range Android smartphone manufactured by Samsung Electronics as part of their M series. It was announced in late August 2020 and released the following month. The phone has a 6.7 in sAMOLED Plus display, a 64 MP quad-camera setup, and a 7000 mAh battery. It is primarily derived from the Samsung Galaxy A71 in terms of design and specifications.

Specifications

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Hardware

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The Samsung Galaxy M51 has a Super AMOLED Plus Infinity-O Display with a 1080 × 2400 resolution, a 20:9 aspect ratio, and a pixel density of ~385 ppi. The phone comes with 128 GB of internal storage, as well as either 6 or 8 GB of RAM. The storage can be expanded via microSD. The phone is powered by the Qualcomm SDM730 Snapdragon 730G (8 nm) paired with the Adreno 618 GPU.[1][3]

Battery

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The Samsung Galaxy M51 has a non-removable lithium-ion with a 7000 mAh capacity. This is the highest battery capacity of any Samsung Galaxy phone as of September 2020, and significantly higher than most other widely available phones.[4]

Cameras

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The Samsung Galaxy M51 has a quad-camera setup arranged in an “L” shape in the top left corner of the back plastic. The camera setup consists of a 64 MP wide-angle camera, capable of 4K video recording, a 12 MP ultrawide camera, a 5 MP depth camera for close-up shots, and a 5 MP depth sensor for Live Focus. A single 32 MP front-facing camera is tucked into the punch-hole in the top center of the display.[5]

Software

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The Samsung Galaxy M51 comes with Android 10 with Samsung's signature One UI 2.1. In late 2021, Samsung announced that Samsung Galaxy M51 will receive Android 12 updates based on One UI 4.1.

History

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The Samsung Galaxy M51 was announced on August 31, 2020. It was released the following month on September 11, 2020.

See also

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References

[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia
from Grokipedia
The Samsung Galaxy M51 is an Android-based mid-range smartphone developed and manufactured by Samsung Electronics as part of its Galaxy M series, announced on August 31, 2020, and released on September 11, 2020.[1] It features a 6.7-inch Super AMOLED Plus display with a 1080 x 2400 pixel resolution and a 20:9 aspect ratio, protected by Corning Gorilla Glass 3, offering vibrant colors.[2][1] Powered by the Qualcomm Snapdragon 730G octa-core processor (with speeds up to 2.2 GHz), paired with Adreno 618 GPU, the device was available in 6 GB or 8 GB RAM configurations alongside 128 GB internal storage, expandable via microSD up to 512 GB.[2][1] One of the device's standout features is its 7,000 mAh battery, which was among the largest capacities in Samsung's smartphone lineup at launch, supporting up to 25W fast charging and reverse wired charging for extended usage, with audio playback rated up to 182 hours.[2][1] The camera system includes a quad rear setup with a 64 MP main sensor (f/1.8), 12 MP ultra-wide (f/2.2), 5 MP macro (f/2.4), and 5 MP depth sensor (f/2.4), capable of 4K video recording at 30 fps, complemented by a 32 MP front camera (f/2.2) for selfies and video calls.[2][1] Measuring 163.9 x 76.3 x 9.5 mm and weighing 213 g, it sports a plastic build in colors such as Celestial Black, Electric Blue, and white (varying by region), with connectivity options like 4G LTE, Wi-Fi 802.11 a/b/g/n/ac, Bluetooth 5.0, NFC, and a 3.5 mm headphone jack.[2][1][3] Launched initially in markets like India and the Middle East with a starting price around €360 (or equivalent in local currencies such as ₹24,999 in India), the Galaxy M51 targeted budget-conscious consumers seeking long battery life and solid multimedia capabilities, running Android 10 out of the box with upgradability to Android 12 and One UI 4.1.[1] Its design emphasizes durability and user convenience, including an in-display fingerprint sensor, accelerometer, gyroscope, and proximity sensors, making it suitable for everyday tasks, gaming, and photography.[2][1]

Development and release

Announcement

The Samsung Galaxy M51 was announced on August 31, 2020, as part of Samsung's Galaxy M series, which targets the mid-range segment with a strong emphasis on extended battery life to appeal to users seeking value-driven performance.[4][5] This positioning aligns with the series' overall strategy of incorporating larger-than-average batteries in affordable devices, differentiating it from other lineups like the Galaxy A series.[6] During the announcement, Samsung teased key features to highlight the device's strengths, including a massive 7,000 mAh battery designed for multi-day usage, a 64 MP quad-camera setup for versatile photography, and a 6.7-inch Super AMOLED display for vibrant visuals.[6][5][7] These elements were positioned as innovations tailored for power users, with the battery capacity marking it as one of the largest in Samsung's mid-range portfolio at the time.[3] Pre-launch marketing efforts centered on key markets in Europe and India, where the device was made available for pre-order in Germany starting immediately after the announcement, while teasers on platforms like Amazon India built anticipation for its regional debut.[8][7] Samsung's campaigns, including the "Meanest Monster Ever" branding, emphasized the M51's battery and camera prowess to target millennials in these regions seeking robust, long-lasting smartphones.[3][9]

Launch and availability

The Samsung Galaxy M51 was officially released on September 11, 2020.[5] It launched initially in India on September 18, 2020, followed by availability in Europe starting with pre-orders in Germany from late August, and select Asian markets including Malaysia.[10][8][11] In India, the 6 GB RAM variant was priced at ₹24,999 at launch, while in Europe it started at approximately €360 for the same configuration.[12][8] The device was primarily distributed through online channels, including the official Samsung website, Amazon, and Flipkart, with limited involvement from mobile carriers.[10][13][14] By 2023, the Galaxy M51 had been discontinued in favor of successors such as the Galaxy M52 5G and M62.[5][15]

Design

Build and materials

The Samsung Galaxy M51 measures 163.9 x 76.3 x 9.5 mm and weighs approximately 213 grams, contributing to its substantial phablet-like build suitable for media consumption and multitasking.[5][16] The device features a plastic back panel and frame paired with a glass front protected by Corning Gorilla Glass 3, providing a balance of affordability and basic scratch resistance without premium metallic or glass rear construction.[5][17] This material combination results in a lightweight yet sturdy chassis, though the plastic elements may show fingerprints and minor wear over time.[18] Design-wise, the Galaxy M51 incorporates an L-shaped rear camera module that houses its quad-camera array in a rectangular housing, positioned toward the upper left of the back panel for a distinctive aesthetic. A side-mounted fingerprint sensor integrated into the power button on the right edge offers convenient one-handed access, while the inclusion of a 3.5 mm headphone jack on the bottom edge alongside the USB Type-C port caters to users preferring wired audio.[19][5] Regarding durability, the Galaxy M51 lacks an official IP rating for dust or water resistance, making it susceptible to damage from liquids or particulates despite some user reports of minor splash tolerance in non-official tests.[5][20] It was available in Celestial Black, Electric Blue, and White color options, with availability varying by region, featuring a matte texture to reduce glare and smudges.[8][5][3]

Variants and colors

The Samsung Galaxy M51 was released in two primary hardware variants, both featuring 128 GB of internal storage but differing in RAM capacity. The standard configuration includes 6 GB of RAM, while a higher-end option with 8 GB of RAM was available in select markets such as India, Malaysia, and Turkey.[12][21] All variants support storage expansion through a dedicated microSDXC card slot, allowing users to add up to 512 GB of additional space.[22][23] Color options for the Galaxy M51 include Celestial Black and Electric Blue, with availability varying by region; for instance, a White variant was offered in markets like Saudi Arabia.[5][22] The device is exclusively an LTE model with no 5G connectivity across any configuration, relying on the Snapdragon 730G chipset for 4G network support.[5]

Specifications

Display

The Samsung Galaxy M51 is equipped with a 6.7-inch Super AMOLED Plus display, providing vibrant colors and deep blacks characteristic of the technology.[22][5] This panel utilizes an Infinity-O design with a punch-hole cutout for the front-facing camera, maximizing the screen-to-body ratio at approximately 86.7%.[5][3] The display offers a Full HD+ resolution of 1080 x 2400 pixels, achieving a pixel density of about 393 ppi for sharp visuals suitable for media consumption and everyday use.[5][22] It operates at a standard 60 Hz refresh rate, ensuring smooth scrolling without the higher fluidity of adaptive rates.[17] Key features include HDR10+ support for enhanced dynamic range in compatible content and a typical brightness of 420 nits, which performs adequately in most lighting conditions, though measured peak brightness reaches up to 677 nits.[24][5] For durability, the screen is protected by Corning Gorilla Glass 3+, offering resistance to scratches and minor impacts.[5] The display integrates seamlessly with Samsung's One UI, allowing users to adjust settings like color modes and adaptive brightness for personalized viewing.[22]

Processor and memory

The Samsung Galaxy M51 features the Qualcomm Snapdragon 730G chipset, fabricated on an 8 nm process for efficient power management and performance balance.[5] This mid-range system-on-chip integrates an octa-core CPU with two high-performance Kryo 470 Gold cores running at 2.2 GHz and six efficiency-oriented Kryo 470 Silver cores at 1.8 GHz, enabling smooth handling of everyday tasks and moderate workloads.[5] Graphics duties are managed by the Adreno 618 GPU, which supports enhanced rendering for visual applications.[5] Performance-wise, the Snapdragon 730G configuration makes the Galaxy M51 well-suited for mid-range gaming, such as titles like PUBG Mobile on medium settings, and multitasking with multiple apps open without significant lag.[23] Independent benchmarks reflect this capability, with the device achieving an AnTuTu score of around 280,000, positioning it competitively in its segment for 2020 releases.[25] Memory handling in the Galaxy M51 relies on LPDDR4X RAM, which provides fast data access for responsive operation.[16] It comes in 6 GB or 8 GB variants to accommodate different user needs, such as lighter browsing versus heavier app usage, though no virtual RAM expansion feature is available to augment physical memory.[17]

Cameras

The Samsung Galaxy M51 features a quad-camera array on the rear, headlined by a 64 MP wide-angle primary sensor with an f/1.8 aperture, employing the Sony IMX682 CMOS sensor measuring 1/1.73 inches with 0.8 µm pixels for enhanced light capture and detail in daylight conditions.[5][23] This is complemented by a 12 MP ultrawide lens offering an f/2.2 aperture and a 123° field of view, ideal for expansive landscapes and group shots.[5][2] The setup further includes a 5 MP macro camera with an f/2.4 aperture for close-up photography at distances as near as 4 cm, and a 5 MP depth sensor with the same f/2.4 aperture to assist in portrait mode effects by detecting subject boundaries.[5][26] An LED flash accompanies the rear cameras, supporting panorama and HDR modes, along with a night mode for improved low-light performance, though the system lacks optical image stabilization.[5][23] For video recording, the rear cameras enable 4K resolution at 30 fps, with options for 1080p at 30 or 60 fps and electronic image stabilization.[5] On the front, a 32 MP wide-angle selfie camera with an f/2.2 aperture and 0.8 µm pixels is housed within the Super AMOLED display's punch-hole cutout, delivering sharp self-portraits and supporting 1080p video at 30 fps.[5][26]

Battery

The Samsung Galaxy M51 is equipped with a 7000 mAh non-removable lithium-polymer (Li-Po) battery, which was a key differentiator for the device upon its launch as Samsung's first smartphone with such capacity in several markets.[27][5] This large battery size contributes to the phone's emphasis on extended usage without frequent recharges, aligning with its positioning as a power-focused mid-range model. Charging is supported via 25W fast wired charging through USB Type-C, achieving a full charge in under two hours, though wireless charging is not available.[28][5] The device includes a compatible 25W charger in the box and supports USB Power Delivery 3.0 (PD 3.0) and Programmable Power Supply (PPS) protocols for efficient power input.[5] In terms of endurance, the battery delivers up to two days of heavy usage or three days of moderate use, making it a standout feature that set new benchmarks for battery life in its segment at the time.[23] Independent testing confirmed exceptional autonomy, with over 50 hours of active use in mixed scenarios, underscoring its reliability for prolonged operation.[29][30] The Galaxy M51 also supports reverse wired charging via Wired PowerShare, allowing it to act as a power bank for other devices through USB OTG, though output is limited compared to its intake capacity.[28][31] Power efficiency is enhanced by integration with the Qualcomm Snapdragon 730G processor, which balances performance and energy consumption without detailed per-hour drain metrics publicly specified.[5]

Software

Initial release

The Samsung Galaxy M51 was released with Android 10 as its operating system, customized with Samsung's One UI Core 2.1 interface, which provides a streamlined experience tailored for mid-range devices.[32][5] This initial software setup included pre-installed Samsung applications such as the Samsung Internet browser and Galaxy Store for app downloads and management, alongside essential Google services like the Google Play Store, Gmail, and YouTube.[33] Key features available out of the box encompassed Edge panels for quick access to apps and contacts from the screen's edge, Bixby Routines for automating tasks based on user habits, and Secure Folder for creating a private, encrypted space to store sensitive files and apps. The device shipped with an initial security patch level dated September 2020, addressing vulnerabilities up to that point to ensure baseline protection upon launch.[5] Additionally, the One UI integrated seamlessly with the side-mounted fingerprint sensor, allowing users to unlock the phone by pressing the power button without navigating additional menus.[34]

Updates and support

The Samsung Galaxy M51, launched in September 2020 with Android 10 and One UI Core 2.1, received two major operating system upgrades as per Samsung's policy of providing two years of OS updates from launch.[35] The first upgrade brought Android 11 with One UI Core 3.1 in early 2021, introducing features such as the Privacy Dashboard for monitoring app permissions and enhanced Digital Wellbeing tools for better user control over data usage.[36][37] The final major update arrived in 2022 with Android 12 and One UI Core 4.1, which included refinements to the user interface, improved performance optimizations, and additional privacy enhancements like one-time permissions, marking the end of major OS support.[38][39] Samsung committed to four years of security updates for the Galaxy M51, extending protection until October 2024.[40] These updates followed a quarterly schedule typical for mid-range M-series devices, incorporating patches for Android vulnerabilities released by Google and Samsung-specific fixes to address privacy and stability issues.[41][42] Early security patches were more frequent in some regions, but by 2022, they stabilized at quarterly intervals, with the final update delivering the May 2024 security patch level to resolve over 50 vulnerabilities.[38][43] Update rollouts exhibited regional variations, with European markets typically receiving firmware first, followed by India and other emerging markets by several weeks or months.[44][45] For instance, the Android 11 update began in Europe in February 2021 before reaching India in March, while security patches like the September 2021 level were prioritized in European countries ahead of broader deployment.[37][46] This phased approach ensured stability testing but occasionally led to delays in non-priority regions. Following the end of support in October 2024, the device no longer receives official updates, though users are advised to maintain manual security practices.[40]

Reception

Critical reviews

The Samsung Galaxy M51 received generally positive reviews from tech publications, praised primarily for its exceptional battery life and value in the mid-range segment. TechRadar awarded it 4.4 out of 5, highlighting its reliability for everyday use, while Notebookcheck gave it an overall score of 81%, noting its appeal as a large yet manageable mid-range device. XDA Developers described it as setting a new benchmark for battery endurance in smartphones, emphasizing its suitability for users prioritizing longevity over premium features. GSMArena's lab tests ranked it second in all-time battery endurance with a 156-hour rating, underscoring its standout performance in power efficiency. SamMobile commended its hardware specs for the price but critiqued software support limitations. Critics universally lauded the 7,000 mAh battery as the device's strongest feature, capable of lasting two to three days on moderate use or over 24 hours under heavy conditions. TechRadar reported 13-14 hours of screen-on time even with intensive tasks, calling the battery life "out of the world." Notebookcheck measured up to 25 hours of Wi-Fi browsing and estimated 4-5 days for regular users, attributing this to efficient power management despite the Snapdragon 730G processor. XDA noted it could endure 13-15 hours of screen time daily for three days straight, outperforming many competitors in real-world scenarios. SamMobile confirmed over 24 hours of heavy usage, with full charges in under two hours via 25W wired charging. The camera system, featuring a 64 MP quad setup with ultra-wide, macro, and depth sensors, was deemed versatile for daylight photography, delivering good detail and color accuracy. Notebookcheck found the main sensor produced sharp images in well-lit conditions, though close-up details could appear slightly blurry. TechRadar praised the 64 MP primary and 12 MP ultra-wide lenses for reliability, with the Night mode providing solid low-light results on the main camera. XDA highlighted usable output from all rear lenses, including the 5 MP macro, making it a capable all-rounder for casual users. The 32 MP front camera also received positive mentions for selfies in good lighting across reviews. However, low-light performance was a common drawback, with the ultra-wide and macro lenses struggling in dim environments due to noise and limited dynamic range. TechRadar noted that while Night mode helped the primary sensor, secondary lenses remained inconsistent. XDA criticized aggressive noise reduction leading to softened details indoors or at night. Software aspects drew mixed feedback, including pre-installed bloatware and persistent notifications, as flagged by TechRadar and XDA, which could clutter the One UI 2.1 experience. SamMobile pointed out limited updates—only two major Android OS upgrades to Android 12—and the absence of features like Samsung Knox, Secure Folder, and Samsung Pay, positioning it below Galaxy A-series devices in long-term support. In comparisons, the M51 was often favored over rivals like the Realme 7 Pro for its superior battery life, despite the latter's faster 65W charging and higher refresh rate display. TechRadar preferred the M51's endurance and camera consistency over the Realme 7 Pro's speed advantages. XDA positioned it ahead of the OnePlus Nord in battery but behind in processing power. Overall, reviewers emphasized its value-for-money appeal for budget-conscious buyers seeking endurance and a quality AMOLED display, though it fell short in premium features like high refresh rates or advanced haptics.

User feedback

Users have frequently praised the Samsung Galaxy M51 for its exceptional battery life, with many reporting over two days of usage on a single charge even under heavy daily tasks such as browsing, streaming, and light gaming.[47] This 7000mAh battery has been described as a standout feature, often called "insane" or a "battery beast" in user forums, allowing for extended screen-on time without frequent recharging.[48][49] Regarding performance, users generally find the device adequate for everyday activities like social media, web surfing, and multitasking, thanks to its Snapdragon 730G processor and up to 8GB RAM configuration.[50] However, complaints about occasional heating arise, particularly during prolonged gaming sessions or charging, with some noting the device warms up noticeably even in normal use.[51][52] The camera system receives mixed but generally positive feedback for usability, with users expressing satisfaction over the 32MP front camera for sharp selfies and the 12MP ultrawide lens for capturing broader scenes with decent detail in good lighting.[26][23] The 5MP macro lens, while functional for close-up shots, is often underutilized and considered a niche feature by owners who rarely employ it.[47] Software experiences highlight common complaints about pre-installed bloatware, which includes unnecessary apps that can be disabled but clutter the interface out of the box.[47] Additionally, update delays have frustrated users in certain regions, such as India, where security patches were provided up to May 2024, and full support ended in October 2024, leaving some devices stuck on Android 12 without further enhancements.[53][40][43] In terms of longevity, many users report positive experiences after one to two years of ownership, with the phone maintaining smooth performance, reliable battery health, and overall durability despite its plastic build.[54] However, the discontinuation of software support has negatively impacted resale value, with second-hand prices dropping significantly as buyers prioritize devices with ongoing updates.[40][55]

References

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