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Redmi Note 3
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Not to be confused with Samsung Galaxy Note 3.
Xiaomi Redmi Note 3
Xiaomi Redmi Note 3 Gold (MTK)
ManufacturerXiaomi
TypeTouchscreen smartphone
SeriesRedmi
First releasedSnapdragon: February 2016; 9 years ago (2016-02)[1]
India: March 2016; 9 years ago (2016-03)
MediaTek: November 2015; 10 years ago (2015-11)[2]
PredecessorRedmi Note 2
SuccessorRedmi Note 4
Compatible networkskenzo:
2G GSM:
800/900/1800/1900
3G HSPA:
850/900/1700(AWS)/1900/2100
4G LTE:
VoLTE 1 (2100), 2 (1900), 3 (1800), 4 (1700/2100), 5 (850), 7 (2600), 8 (900), 38 (2600), 39 (1900), 40 (2300), 41 (2500)
Form factorSlate
Dimensions
  • 150 mm (5.9 in) H
  • 76 mm (3.0 in) W
  • 8.7 mm (0.34 in) D
Weight164 g (5.8 oz)
Operating systemSnapdragon: Android 5.1.1 "Lollipop"

upgradeable to: Android 6.0.1 "Marshmallow"

MediaTek: Android 5.0.2 "Lollipop"
System-on-chipQualcomm MSM8956 Snapdragon 650
MediaTek MT6795 Helio X10
CPUSnapdragon:
Hexa-core (4x1.4GHz Cortex-A53 & 2x1.8GHz Cortex-A72)
MediaTek:
Octa-core 2.0GHz Cortex-A53
GPUSnapdragon:
Adreno 510
MediaTek:
PowerVR G6200
Memory2 GB (Standard version) or
3 GB RAM (High version)
Storage16 GB (Standard version) or 32 GB (High version)
Removable storageOnly Snapdragon variant:
Up to 256 GB
microSD
BatteryNon-removable Li-Po 4050 mAh battery
Rear cameraSnapdragon:
Samsung S5K3P3 16 MP camera, f/2.0 aperture, phase detection autofocus (PDAF), dual-LED (dual tone) flash MediaTek:
Samsung S5K3M2 13 MP camera
Front cameraOmniVision OV5670 5MP, f/2.0 aperture
Display5.5 in (140 mm) IPS LCD capacitive touchscreen
1080 x 1920 pixels, ~403 ppi, 16M colors
Connectivity
Codenamekate (Special Edition Snapdragon)
kenzo (Snapdragon)
hennessey (MediaTek)
Development statusDiscontinued
Websitehennessey/kenzo: www.mi.com/note3/

kenzo: www.mi.com/en/note3/

kate: www.mi.com/tw/note3/

The Xiaomi Redmi Note 3 is a smartphone developed by Xiaomi Inc. as part of Xiaomi's low-end Redmi smartphone line. It has three variants:[3]

  • The MediaTek variant (codenamed hennessey) was released on November 24, 2015.[4]
  • The Snapdragon variant (codenamed kenzo) was launched in February, 2016.[5]
  • Redmi Note 3 Special Edition[6] (codenamed kate) was launched in June 2016; it features an upgraded modem and a new housing, other specifications are the same as the Snapdragon variant.

Specifications

[edit]

Hardware

[edit]

The MediaTek variant of the Xiaomi Redmi Note 3 is powered by the MediaTek MT6795 Helio X10 system-on-chip with a 2.0 GHz octa-core ARM Cortex-A53 CPU and a PowerVR G6200 GPU. The Snapdragon variants are powered by the Snapdragon 650 system-on-chip with a hexa-core CPU consisting of a high performance cluster with 2x 1.8 GHz ARM Cortex-A72 cores and a high efficiency cluster with 4x 1.6 GHz ARM Cortex-A53 cores, and an Adreno 510 GPU.[7] The phone comes with 2 GB or 3 GB of RAM and 16 GB or 32 GB of eMMC 5.0 internal flash storage.

Another notable difference between the MediaTek and Qualcomm variants of the phone is the rear-facing camera; there is a 13 MP camera sensor on the MediaTek variant whereas this is upgraded to a 16 MP sensor on the Qualcomm variants.[8] There is also a 5 MP front-facing camera on all variants.

All variants of the Xiaomi Redmi Note 3 include a 5.5 in (140 mm) 1080p display with 1080x1920 pixels resolution and 403 ppi pixel density. The Snapdragon variants use a special display technology known as 'Sunlight Display' in which the phone detects the ambient light and makes pixel-level adjustments in order to improve legibility under the sunlight. The phone also features a blue light filter for low light (night) reading.[9]

Another notable feature of the phone is the presence of a fingerprint sensor at the back. It can also be used for taking photos via the front-facing or rear-facing camera. The phone has a 4050 mAh Li-Po non-removable battery.

Connectivity

[edit]

The Xiaomi Redmi Note 3 has Wi-Fi 802.11 a/b/g/n/ac, thus supporting both the 2.4 GHz and 5 GHz bands. The MediaTek variant supports two SIM cards while the Snapdragon variants have a SIM card and a microSDHC/SIM card hybrid slot; the microSDHC slot can also be used as a secondary SIM card slot.[10]

Wi-Fi Yes
Wi-Fi standards supported 802.11 a/b/g/n/ac
GPS Yes
Bluetooth Yes, v 4.10
NFC No
Infrared Yes
USB On-The-Go Yes
3.5 mm headphone jack Yes
FM radio Yes
Number of SIM card slots 2

Software

[edit]

The Snapdragon variant (kenzo) runs on an Android based MIUI 7 OS which was updated to MIUI 8 based on Android 6.0 and then to MIUI 10.[11] Many custom Android ROMs are available for this device;[12] notable examples are MIUI 9 based on Android 7.0, CyanogenMod 13 and 14 (based on Android Marshmallow and Nougat, respectively), Lineage OS 13, 14, 15, Resurrection Remix OS 8.6 (based on Android 10)[13] and an unstable port of Sailfish OS. Custom ROMs based on Android Lollipop, Marshmallow, Nougat, Oreo, Pie, 10, 11 and 12 are also available, like Pixel Experience, ArrowOS, HavocOS, etc.

The Redmi Note 3 Special Edition (kate) came with MIUI 8 based on Android 6.0 which can be updated to MIUI 10.[11]

Although both of the Snapdragon-based variants (kenzo and kate) are similar with their ROMs, their firmware aren't compatible with each other and installing the wrong one may brick the device.[14]

The MediaTek variant (hennessey) runs on MIUI 7, it can be updated to MIUI 9 but didn't get a MIUI 10 update.

On 21 December 2018, Xiaomi announced the end of software support for the phone. In January 2019, it received its final MIUI update.[15]

Sales

[edit]

On 25 August 2016, Xiaomi reported it had sold around 1.75 million units since March 2016.[16] It also became the highest-shipped smartphone in India's online market in Q2 2016.[17] It also became India's best online selling phone after it sold 2.3 million units until September 2016.[18]

In September 2017, InsightPortal reported the phone ranked 10th in their list of top ten devices worldwide with a market share of 1.1%.[19]

Parts providers

[edit]

Redmi Note 3, a stylish smartphone back in 2016, had the following parts providers:

References

[edit]
[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia

Redmi Note 3

View on Grokipedia
from Grokipedia
The Redmi Note 3 is a mid-range Android smartphone developed by the Chinese electronics company Xiaomi, announced on November 24, 2015, and initially released in China in December 2015 with global availability starting in March 2016.[1][2][3] It was offered in two main variants: one powered by the MediaTek Helio X10 octa-core processor and another by the Qualcomm Snapdragon 650 hexa-core processor, marking one of the first devices to feature the latter chip.[1][4] The device features a premium full-metal unibody construction weighing 164 grams and measuring 8.7 mm thick, which was a significant upgrade in build quality for Xiaomi's mid-range lineup at the time.[1][5] Its 5.5-inch IPS LCD display has a Full HD resolution of 1920 x 1080 pixels (401 ppi density) protected by Corning Gorilla Glass, providing sharp visuals and good color reproduction for media consumption.[1][6] Memory options include 2 GB or 3 GB of RAM paired with 16 GB or 32 GB of internal storage, expandable via microSD card up to 128 GB.[1] Notable for introducing Xiaomi's first integrated fingerprint sensor for quick unlocking, the Redmi Note 3 also includes an IR blaster for remote control functionality and supports dual SIM cards.[4][5] The camera setup comprises a 16 MP rear sensor (in the Snapdragon model) or 13 MP (MediaTek) with phase detection autofocus, dual-tone LED flash, and 1080p video recording, alongside a 5 MP front camera for selfies.[1][3] It is equipped with a 4,000 mAh non-removable battery supporting Qualcomm Quick Charge 2.0 for faster recharging, enabling all-day usage.[1][4] Launched running Android 5.1 Lollipop under Xiaomi's MIUI 7 skin, the Redmi Note 3 received updates up to Android 6.0.1 Marshmallow with MIUI 10.2 (final update in 2019), offering features like customizable themes and app permissions management.[3] Priced starting at around $140 for the base model, it gained popularity for delivering high-value specifications in a budget-friendly package, including hybrid active noise cancellation and FM radio support.[1][6] A Special Edition variant launched in June 2016 with minor updates like an improved modem and housing, but identical core specs.[3]

Development

Announcement and design

The Redmi Note 3 served as the successor to the Redmi Note 2, positioning Xiaomi to expand its budget-oriented Redmi lineup by incorporating premium elements typically reserved for higher-end devices, such as a full-metal body and a substantial battery capacity, to appeal to cost-conscious consumers seeking enhanced durability and endurance.[7][8] Xiaomi's design philosophy for the Redmi Note 3 emphasized a shift toward flagship-inspired aesthetics in the mid-range segment, adopting a full-metal unibody construction with an anodized and sandblasted finish to deliver a premium texture without additional coatings, while prioritizing ergonomics for comfortable one-handed operation on its 5.5-inch form factor. This approach drew from high-end smartphone trends, balancing a sleek aluminum exterior with practical considerations like antenna placement via plastic caps at the top and bottom, resulting in a device weighing 164 grams and measuring 8.65 mm thick.[4][8][9] The device was teased by Xiaomi in late October 2015 through promotional imagery hinting at its metallic design and color options, building anticipation ahead of its official unveiling on November 24, 2015, in China, where the initial MediaTek-powered variant was introduced as the company's first all-metal smartphone in the Note series.[7][10][11] Key design specifications included slightly curved edges along the sides to improve grip and handling, a hybrid SIM tray supporting dual nano-SIM or one SIM plus microSD expansion, and seamless integration of a rear-mounted fingerprint sensor positioned below the camera module for quick 0.3-second unlocks with chip-level security.[9][12][4]

Production and manufacturing

The Redmi Note 3 was primarily assembled at Foxconn facilities in China, aligning with Xiaomi's established supply chain for its initial global launch in March 2016. To localize production and comply with India's manufacturing incentives, assembly shifted to Foxconn plants in Chennai starting in March 2016, marking it as one of the early devices under the "Made in India" initiative and enabling faster distribution to the domestic market. This dual-location strategy supported Xiaomi's emphasis on cost-effective scaling while reducing import dependencies. Key components were sourced from specialized suppliers to balance performance and affordability. Display panels were provided by suppliers including Tianma Microelectronics and Sharp, ensuring a 5.5-inch Full HD IPS LCD with consistent quality across units. The rear camera utilized Samsung sensors, such as the S5K3M2 ISOCELL in the MediaTek variant, while the front-facing 5 MP camera employed an OmniVision OV5670 module. Battery cells came from Amperex Technology Limited (ATL), contributing to the device's battery capacity of 4,000 mAh for the MediaTek variant and 4,050 mAh for the Snapdragon variant with reliable lithium-polymer construction. The device was developed under codenames "hennessey" for the MediaTek variant and "kenzo" for the Snapdragon variant. Xiaomi planned initial production runs in the millions to match high anticipated demand, facilitating rapid sales growth—over 2.3 million units shipped in India within six months of launch. Quality control focused on durability through the shift to a full metal unibody chassis from plastic predecessors, enhancing structural integrity. However, integrating antennas posed challenges due to the conductive material; engineers addressed signal interference by embedding them under non-metallic top and bottom caps, avoiding visible side lines while maintaining reception.

Release

Launch dates

The Redmi Note 3 was initially launched in China on November 24, 2015, featuring the MediaTek Helio X10-powered variant available in 2 GB RAM/16 GB storage and 3 GB RAM/32 GB storage configurations.[8] Initial sales in China were conducted through flash sales on Xiaomi's official Mi.com platform due to high demand, limiting purchases to limited-time slots.[8] A Snapdragon 650 variant of the Redmi Note 3 followed for the Chinese market on January 14, 2016, offering improved performance over the MediaTek model while retaining the same display, battery, and camera specifications.[13][14] This version also utilized flash sales on Mi.com to manage stock and generate buzz.[15] The Snapdragon variant expanded globally starting in February 2016, with availability in select Southeast Asian markets such as Malaysia by late March.[16][17] Rollouts continued into Europe and other regions through authorized online channels in the subsequent months.[18] In India, the Redmi Note 3 (Snapdragon variant) was officially unveiled on March 3, 2016, marking Xiaomi's push into local manufacturing at a Foxconn facility in Andhra Pradesh to align with the "Make in India" initiative and reduce import dependencies.[19][20] Both 2 GB/16 GB and 3 GB/32 GB models went on sale exclusively through flash events on Mi.com and Amazon India starting March 9, 2016, before expanding to additional retailers.[21] A Special Edition variant, codenamed "kate," launched in China in June 2016, incorporating an upgraded modem for enhanced connectivity while maintaining core hardware identical to the Snapdragon model.[22]

Availability and pricing

The Redmi Note 3 was initially priced at ¥899 (approximately $140 USD at the time) in China for the 2 GB RAM/16 GB storage variant equipped with the MediaTek Helio X10 processor, while the 3 GB RAM/32 GB storage model retailed for ¥999 (approximately $155 USD).[23] In India, the device launched with Snapdragon 650 processor variants at ₹9,999 (approximately $150 USD) for the 2 GB/16 GB configuration and ₹11,999 (approximately $180 USD) for the 3 GB/32 GB option.[24] Distribution in China was online-exclusive through Xiaomi's official Mi.com platform, utilizing flash sales to manage high demand and resulting in rapid sell-outs during the initial weeks following the November 2015 launch.[25] In India, availability began via exclusive flash sales on Flipkart and Mi.com starting March 9, 2016, with options for equated monthly installments (EMI) financing provided through Flipkart's payment partners to broaden accessibility.[20] Globally, the device was distributed through Xiaomi's authorized stores and partner retailers, including online marketplaces in regions like Southeast Asia and Europe. Pricing varied regionally due to import duties and localization; in Europe, it typically ranged from €160 to €200 (approximately $175 to $220 USD), higher than Asian markets to account for tariffs and compliance costs. Some markets, such as select Asian countries, offered bundles including protective cases or earphones to enhance value during promotional periods.[26] Purchase limitations were prominent at launch, with weekly flash sales in China and India restricting availability to limited stock batches, often leading to sell-outs within minutes and requiring users to register in advance for subsequent rounds.[27] This strategy helped control supply amid overwhelming demand but delayed access for many consumers until open sales commenced in April 2016 in India.[28]

Design

Build and dimensions

The Redmi Note 3 measures 76 mm in width, 150 mm in height, and 8.65 mm in depth, providing a compact phablet form factor suitable for one-handed use despite its 5.5-inch display.[29] The device weighs 164 grams across both its MediaTek Helio X10 and Qualcomm Snapdragon 650 variants, contributing to its balanced portability without excessive heft.[3] Constructed with a full aluminum unibody chassis, the Redmi Note 3 features plastic antenna bands integrated into the frame to facilitate wireless signal transmission while maintaining a seamless metallic appearance.[30] The front is protected by Corning Gorilla Glass, enhancing scratch resistance on the display surface.[31] Ergonomically, the phone incorporates beveled and curved edges along its sides, improving grip and comfort during prolonged handling, while the rear-mounted fingerprint sensor is positioned centrally below the camera module for intuitive access.[29] The non-removable battery design integrates seamlessly into the unibody structure, eliminating seams that could compromise structural integrity.[32] Although lacking an official IP rating for water or dust resistance, the Redmi Note 3 demonstrated reasonable durability in manufacturer-conducted drop tests from heights up to 1.5 meters onto hard surfaces, with the aluminum body absorbing impacts effectively but the glass front showing vulnerability to cracks in repeated trials.[33]

Colors and accessories

The Redmi Note 3 was offered in silver, gold, and dark grey color options for the MediaTek variant, providing users with choices for a premium metallic appearance.[2] The Snapdragon variant was available in gold and grey finishes, aligning with Xiaomi's standard palette for the model.[3] In the Indian market, an additional dark grey shade was introduced exclusively for the Snapdragon version.[34] A Special Edition, launched in June 2016 with an upgraded modem, featured a refined housing for enhanced aesthetics.[3] The device's aluminum unibody featured a sandblasted metal back finish, designed to resist fingerprints and smudges for better long-term appearance.[29] This matte texture contributed to the phone's premium feel while minimizing visible marks from handling. Standard packaging included the handset, a USB charging cable, a 5V/2A wall charger, a SIM ejector tool, user manual, and warranty card.[35] Xiaomi offered optional official accessories through the Mi Store, such as protective cases and tempered glass screen protectors, to support customization and device protection. The phone did not support wireless charging, relying solely on wired Micro-USB connectivity.[3]

Specifications

Display and input

The Redmi Note 3 features a 5.5-inch IPS LCD capacitive touchscreen as its primary display, providing vibrant color reproduction and wide viewing angles typical of IPS technology.[3][4] This screen supports a Full HD resolution of 1080 × 1920 pixels at a pixel density of 401 ppi, ensuring sharp visuals for media consumption and text readability.[3][1] Key display enhancements include a sunlight display mode that performs real-time contrast adjustments to improve visibility in bright outdoor conditions, and a reading mode designed to reduce blue light emission for enhanced eye comfort during prolonged use.[4] The panel achieves a screen-to-body ratio of 72.4%, optimizing the device's form factor while maintaining a bezel that contributes to its overall ergonomics.[3] With a maximum brightness of up to 450 nits and an anti-glare coating, the display remains legible even under direct sunlight, minimizing reflections for better usability in varied lighting environments.[36][4] For input, the capacitive touchscreen supports multi-touch functionality up to 10 simultaneous points, enabling intuitive gestures such as pinch-to-zoom and multi-finger scrolling.[3] Additionally, an integrated rear-mounted fingerprint sensor serves as a navigation and security tool, capable of unlocking the device in as little as 0.3 seconds with 360-degree recognition for reliable performance.[4][3]

Hardware platform

The Redmi Note 3 features two primary hardware variants, distinguished by their system-on-chip (SoC) options, which determine the processor and graphics capabilities.[3][1] The MediaTek variant is powered by the Helio X10 (MT6795) SoC, an octa-core processor clocked at 2.0 GHz using ARM Cortex-A53 cores.[32][1] In contrast, the Qualcomm Snapdragon 650 variant employs a hexa-core configuration with four Cortex-A53 cores at 1.4 GHz and two Cortex-A72 cores at 1.8 GHz, offering improved efficiency through its big.LITTLE architecture.[3][37] Graphics processing is handled by the PowerVR G6200 GPU in the MediaTek model or the Adreno 510 in the Snapdragon model, enabling smooth rendering for mid-range gaming and multimedia tasks.[32][1][37] Memory configurations include 2 GB or 3 GB of LPDDR3 RAM, paired with 16 GB or 32 GB of eMMC 4.5 internal storage, which supports faster read/write speeds compared to previous generations.[1][32][38] The Snapdragon variant supports storage expansion via a microSD card slot up to 128 GB, utilizing the second SIM slot in dual-SIM setups; the MediaTek variant does not have a microSD slot.[39][40][2] In benchmark tests, the MediaTek variant achieves AnTuTu scores around 50,000, while the Snapdragon model reaches approximately 70,000, positioning the device as capable for everyday multitasking, light gaming, and app usage in the mid-range segment.[41][37] These configurations vary by region and model, with full details covered in the variants section.

Cameras

The Redmi Note 3 features distinct rear camera configurations depending on the processor variant. The MediaTek Helio X10 model includes a 13 MP rear camera with a Samsung S5K3M2 sensor, f/2.2 aperture, phase detection autofocus (PDAF), and a dual-LED dual-tone flash, capable of recording 1080p video at 30 fps.[2][32] In contrast, the Snapdragon 650 and Special Edition variants upgrade to a 16 MP rear camera using a Samsung S5K3P3 sensor, f/2.0 aperture, PDAF, and dual-LED dual-tone flash, also supporting 1080p video at 30 fps.[3] Neither rear camera includes optical image stabilization. The front-facing camera is consistent across all variants, with a 5 MP OmniVision OV5670 sensor, f/2.0 aperture, and an 85° wide-angle lens suitable for selfies and video calls.[30][32] It supports 1080p video recording at 30 fps, providing adequate detail for casual use in well-lit conditions.[3] Camera functionality is handled through the MIUI camera application, which offers manual mode for adjusting exposure, ISO, and white balance, along with HDR for enhanced dynamic range and panorama for wide scenes.[42] The Snapdragon variants enable RAW image capture via third-party apps due to full Camera2 API support, allowing for greater post-processing flexibility.[43] In terms of performance, the cameras deliver solid results in daylight with accurate colors and quick focusing thanks to PDAF, though low-light shots exhibit noise and softer details without stabilization.[6] The Snapdragon model's improved image signal processor contributes to marginally better low-light performance compared to the MediaTek version, but overall imaging remains average for the mid-range segment in 2016.[42]

Battery

The Redmi Note 3 is equipped with a 4,050 mAh Li-Po battery that is non-removable.[3][4] This capacity represents a 30% increase over its predecessor, enabling extended usage for a 5.5-inch device.[44] Charging is supported at 5V/2A (10W) through the microUSB 2.0 port, achieving a full charge in approximately 2.5 hours without fast charging capabilities.[3][44] In terms of endurance, the battery delivers up to two days of moderate usage and 10-12 hours of screen-on time, aided by the device's large capacity and the power efficiency of its system-on-chip.[44][45] Independent testing by GSMArena yielded an overall endurance rating of 91 hours across talk time, music playback, web browsing, and video scenarios.[3] MIUI includes battery saver modes, such as standard and ultra options that restrict background activity and CPU performance to extend runtime, along with low-battery alerts for quick drain warnings at thresholds like 20% and 5%.[46][47]

Connectivity

The Redmi Note 3 supports dual micro-SIM cards in a dual standby configuration, enabling simultaneous use for voice calls and mobile data across supported networks including GSM, HSPA, and LTE.[3] The MediaTek variant provides 4G LTE Category 4 connectivity with maximum download speeds of 150 Mbps and upload speeds of 50 Mbps.[48] The Snapdragon variant and Special Edition upgrade the modem to LTE Category 6, supporting download speeds up to 300 Mbps while retaining 50 Mbps uploads, for improved performance on compatible networks.[3][49] Wireless connectivity includes Wi-Fi 802.11 a/b/g/n/ac with dual-band operation (2.4 GHz and 5 GHz) for versatile home and hotspot usage, alongside Bluetooth 4.1 with A2DP and low-energy profiles for pairing with peripherals.[3] Positioning is handled by GPS, GLONASS, and BeiDou systems for reliable navigation.[3] The device lacks NFC capabilities but includes an infrared blaster for remote control of compatible appliances.[3][6] Wired interfaces consist of a microUSB 2.0 port supporting charging, data transfer, and USB On-The-Go for external storage or peripherals, paired with a standard 3.5 mm headphone jack.[3] The sensor suite comprises an accelerometer and gyroscope for motion detection, a proximity sensor to disable the display during calls, a digital compass for directional awareness, and a rear-mounted fingerprint scanner for biometric authentication.[3] Audio output relies on a single loudspeaker positioned at the bottom edge, delivering mono sound without Dolby or other premium enhancement technologies.[3][50]

Software

Initial software

The Redmi Note 3 launched with variant-specific operating systems based on Android Lollipop, skinned by Xiaomi's MIUI 7 interface. The MediaTek variant shipped with Android 5.0.2 Lollipop, while the Snapdragon model featured Android 5.1.1 Lollipop.[2][3] MIUI 7 emphasized customization and performance optimizations, delivering approximately 30% faster responsiveness compared to its predecessor through backend improvements.[51] Key features of the initial software included a robust theming system, enabling users to apply extensive visual customizations to the UI, including daily lockscreen themes and icon packs. The Mi Remote app utilized the device's built-in IR blaster to function as a universal remote for TVs, air conditioners, and other infrared-compatible appliances. The file manager offered deep integration with Mi Cloud, supporting seamless file uploads, backups, and synchronization across devices.[52][53][54] Pre-installed applications focused on core functionality, with Mi-branded apps such as Music for audio playback, Gallery for photo and video management with face detection support, and Security for system optimization, antivirus scanning, and battery management. Global ROM versions included complete Google Mobile Services, providing access to the Google Play Store, Gmail, and other ecosystem apps without additional setup.[54][52] UI elements enhanced usability through gesture-based navigation for quick app launching and multitasking, one-handed mode that resized the screen for single-thumb operation, and privacy guards offering detailed permission controls for individual apps to enhance data security. Bloatware was kept to a minimum, primarily consisting of a few third-party apps like Facebook and WPS Office, all of which could be uninstalled, while non-essential system apps were disableable via settings without rooting.[54]

Updates and support

The Snapdragon variant of the Redmi Note 3 received its major OS upgrade to Android 6.0.1 Marshmallow with the release of MIUI 8 in late 2016. Subsequent updates brought MIUI 9 in late 2017 and MIUI 10 in 2018, both maintaining the Android 6.0.1 base without further Android version increments. In contrast, the MediaTek variant remained on Android 5.0 Lollipop throughout its official support period but also progressed to MIUI 9 on that foundation. Neither variant received Android 7 or later versions due to hardware limitations and Xiaomi's update strategy for mid-range devices at the time. MIUI 8 introduced key features like split-screen multitasking, enabling users to run two apps simultaneously in portrait or landscape orientation. Later iterations, particularly MIUI 10, incorporated AI optimizations including intelligent performance prediction based on usage patterns and enhanced camera capabilities such as AI-driven portrait mode with bokeh effects. The update timeline saw MIUI 8 rolling out in December 2016, MIUI 10 stable builds in mid-2018, and the final MIUI 10.2 update in January 2019, which included the July 2018 Android security patch as the last official security maintenance. Xiaomi's support policy for the Redmi Note 3 aligned with its early commitments for budget devices, providing roughly two years of major OS updates from launch and three years of security patches, with official support concluding in December 2018. Following the end of official updates, community efforts extended the device's lifespan through custom ROMs, notably LineageOS builds for the Snapdragon variant that supported up to Android 10 and Android 11 in unofficial releases. Users of the MediaTek variant occasionally encountered update-related bugs, including WiFi connectivity disruptions and increased heating after firmware installations.

Variants

MediaTek variant

The MediaTek variant of the Redmi Note 3, codenamed "hennessy," was the initial version of the device, launched on November 24, 2015, primarily targeting cost-sensitive markets such as China.[2][55] This configuration emphasized affordability while delivering solid mid-range performance for everyday use, making it appealing in regions where budget constraints dominated consumer choices.[56] At its core, the MediaTek variant is powered by the MediaTek Helio X10 (MT6795) octa-core processor, clocked at 2.0 GHz with Cortex-A53 cores and a PowerVR G6200 GPU, paired with 2 GB RAM and 16 GB internal storage or 3 GB RAM and 32 GB internal storage, both expandable via dedicated microSDXC slot.[2][32] It features a 13 MP rear camera with phase detection autofocus and an f/2.2 aperture, alongside a 5 MP front camera, both supporting 1080p video recording.[2] The device utilizes eMMC 5.0 storage for faster read/write speeds compared to previous generations, contributing to responsive app loading in daily scenarios.[2] In terms of performance, the Helio X10 chipset handles basic tasks like web browsing, social media, and light multitasking efficiently, but it tends to experience thermal throttling during prolonged gaming sessions, where temperatures can rise and sustained performance drops to manage heat.[57][55] This variant shipped with Android 5.0.2 Lollipop overlaid by MIUI 7, and it received official updates up to MIUI 9 (still based on Android 5.0), providing enhanced stability and minor feature additions over its lifecycle.[2][58] Priced at approximately $140 for the base model at launch, the MediaTek variant was positioned as an entry-level option in Xiaomi's lineup, offering a full metal unibody design shared with other configurations while prioritizing value for emerging markets.[1][56]

Snapdragon variant

The Snapdragon variant of the Redmi Note 3, codenamed "kenzo," was designed primarily for global markets, including India and Europe, offering enhanced compatibility for international networks compared to its MediaTek counterpart. Announced on January 14, 2016, and released in March 2016, it targeted users seeking better performance in diverse regions.[13][20] This variant features the Qualcomm Snapdragon 650 processor, a 64-bit hexa-core chipset comprising four Cortex-A53 cores at 1.4 GHz and two Cortex-A72 cores at 1.8 GHz, paired with the Adreno 510 GPU. It supports RAM options of 2 GB or 3 GB and internal storage of 16 GB or 32 GB, expandable via microSD. The rear camera is a 16 MP sensor with phase detection autofocus and f/2.0 aperture, while the front camera is 5 MP. These specifications provide a balance of efficiency and capability, with the device priced at approximately $150 for the base 2 GB/16 GB model in markets like India.[3][13][20] In terms of performance, the Snapdragon 650 delivers smooth multitasking and app switching, with the Adreno 510 GPU enabling playable frame rates in graphics-intensive games such as Hitman: Sniper and Total War Battles: Kingdom, though minor stutters may occur in fast-paced titles. The chipset's integrated modem enhances 4G LTE compatibility across more global bands, supporting dual-SIM 4G usage effectively in regions like Europe and India. Additionally, the GPU handles 1080p video playback fluidly, contributing to reliable multimedia experiences.[42][59] The device launched with Android 5.1.1 Lollipop skinned under MIUI 7, later updated to MIUI 8 in 2016. It received an upgrade to Android 6.0.1 Marshmallow with MIUI 9 in January 2018 and MIUI 10 Global Stable (version 10.1.1.0) later that year, marking the final major update, as no Android 7.0 Nougat support was provided.[60][3]

Special Edition

The Special Edition of the Redmi Note 3, codenamed "kate", represents a limited variant based on the Snapdragon 650 chipset, offering enhanced connectivity for international markets. Launched in June 2016, it addressed key user concerns regarding network performance in the standard Snapdragon model by incorporating an upgraded modem supporting more LTE bands for better global compatibility, with Cat 4 LTE speeds up to 150 Mbps download and 50 Mbps upload.[22] This edition retained the core hardware profile of the Snapdragon variant, including RAM and storage options of 2 GB/16 GB or 3 GB/32 GB, while introducing a modified housing measuring 152 x 76 x 8.7 mm (compared to 150 x 76 x 8.65 mm for the standard) with enhanced antenna design to improve signal reception and support additional bands such as LTE Band 20. An enhanced antenna design further optimized radio frequency performance, making it suitable for premium mid-range users seeking reliable connectivity in urban environments. Priced at approximately $170, the model was produced in limited quantities to target buyers prioritizing network stability over broader availability.[61][62]

Reception

Reviews

The Redmi Note 3 garnered widespread acclaim from professional reviewers for its outstanding value proposition in the budget smartphone category, often highlighted as a benchmark for affordable devices with premium features. Publications such as XDA Developers dubbed it the "King of the Low End" due to its metal unibody construction that imparted a high-end feel despite its sub-$200 price tag, along with reliable performance from the Snapdragon 650 processor.[56] TechRadar awarded it 3.8 out of 5 stars, praising the 5.5-inch Full HD display for its sharpness and brightness, as well as the rear fingerprint sensor for its swift and accurate operation.[6] The device's battery endurance stood out prominently, with the 4,000 mAh unit delivering up to two days of mixed usage, far surpassing many contemporaries in its class.[56] Critics noted several shortcomings, particularly the camera's mediocre low-light performance, where images suffered from noise and detail loss, with the MediaTek variant faring worse overall compared to the Snapdragon model.[56] The absence of fast charging was another common grievance, as the standard 5V/2A adapter required over 2.5 hours for a full charge.[56] Additionally, the MIUI software interface drew criticism for its bloatware and aggressive app management, which could hinder multitasking on lower RAM configurations.[56] User feedback echoed professional sentiments, with the phone earning a 4.3 out of 5 rating from over 142,000 reviews on Flipkart, where buyers frequently lauded its battery life, sturdy build, and overall affordability.[63] Common praises included the vibrant display and smooth daily operation, while some users reported dissatisfaction with the camera's output in dim conditions and occasional heating on the MediaTek version. In 2016, outlets like The Next Web proclaimed it the best $150 Android phone available, and the Indian Express included it among the top mid-range devices of the year.[42][64]

Sales figures

The Redmi Note 3 achieved significant commercial success shortly after its launch, particularly in India where it became a bestseller through Xiaomi's flash sale model. In the first 60 days of availability starting March 2016, Xiaomi sold over 600,000 units in India, marking the company's fastest-selling product at the time.[25] By August 2016, cumulative sales in India reached 1.75 million units, making it the highest-shipped smartphone in the country's online market for the April-June quarter with 880,000 units.[65][66] By September 2016, sales in India exceeded 2.3 million units, equivalent to one device sold every seven seconds since launch.[67] This performance propelled Xiaomi to cross $1 billion in revenue in India for 2016, with the Redmi Note 3 contributing substantially to the mid-range segment's growth and establishing the brand's strong foothold in the market.[68] According to IDC data, it was the highest-shipped smartphone overall in India during this period, while Antutu rankings confirmed it as the top-selling device nationwide for 2016.[69][70] The device's popularity extended beyond India, performing strongly in its home market of China where it launched first in December 2015, and in Southeast Asia through dedicated variants. Globally, the Redmi Note 3 emerged as a budget bestseller, reinforcing Xiaomi's reputation for affordable yet feature-rich mid-range devices.[71] In terms of legacy, the Redmi Note 3 marked a pivotal milestone for the series by surpassing predecessors in sales volume and introducing an all-metal unibody design that influenced subsequent budget smartphones. It laid the foundation for the enduring success of the Redmi Note lineup, which has since achieved over 200 million units sold worldwide.[72][73]

References

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