Engineering:Redmi 2

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Short description: Smartphone model
Xiaomi Redmi 2
Xiaomi logo.svg
Xiaomi wt88047 plamo (cropped, enhanced).png
Redmi 2
Codenamewt86047, wt88047
BrandXiaomi
ManufacturerXiaomi, Wingtech
Slogan"Always Believe That Something Wonderful is About to Happen"
SeriesRedmi
First releasedJanuary 2015; 9 years ago (2015-01)[1]
PredecessorRedmi 1S
SuccessorRedmi 2 Prime (Revision), Xiaomi Redmi 3
TypeSmartphone
Form factorSlate
Operating systemMIUI
System on chip1.2 GHz Qualcomm Snapdragon 410 MSM8916
CPUQuad Core ARMv8 1.2 GHz
GPUAdreno 306 GPU
Memory1GB or 2GB
Storage8GB or 16GB
Removable storageUp to 32GB
Battery2200 mAh
Data inputsMulti-touch capacitive touchscreen;
Accelerometer;
A-GPS;
Digital compass;
Proximity sensor;
Push buttons;
capacitive touch-sensitive buttons
Display1280 x 720 pixel, 4.7 inch IPS Display (312ppi)
Rear camera8 Megapixel, BSI, f/2.2, Full HD video recording
Front camera2 megapixels, f/2.0, HD video recording
References[2]

Xiaomi Redmi 2 is a smartphone produced by Xiaomi released in January 2015.[1] It is the successor to the Xiaomi Redmi 1 family.

Specifications

Software

The Redmi 2/Prime comes preinstalled with Android 4.4 KitKat with the proprietary MIUI 6 custom graphical user interface, it can be upgraded to MIUI 9 based on Android 4.4 KitKat(for Redmi 2) and Android 5.1 Lollipop (for Redmi 2 Prime) via OTA. The Redmi 2 comes with a factory-unlocked bootloader, allowing users to "root" the device and install custom firmware.

The software-development community has released custom ROMs and kernels for the phone, even though the official kernel sources from Xiaomi were only released a year after launch.[3][4] The Redmi 2 has achieved unofficial stable builds of CyanogenMod 11 (based on Android 4.4), 12.1 (Android 5.1) and official nightly builds of CyanogenMod 13.0 (Android 6.0.1) and CyanogenMod 14.1 (Android 7.1.1).[5][6][7][8] Development of the latter version is continued in the LineageOS project after CyanogenMod's discontinuation.[9] From LineageOS builds Redmi 2 is currently getting official nightly builds of LineageOS 17.1 (Based on Android 10). Redmi 2 has also achieved official stable builds of Resurrection Remix (based on Android 7.1.2, Android 8.1),[10] official nightly builds of AOKP (based on Android 8.1),[11] official stable builds of MoKee 6 (based on Android 6.0.1), MoKee 7 (based on Android 7.1.2), MoKee 8 (based on Android 8.1), official nightly builds of MoKee 9 (based on Android 9.0.0)[12] and official builds of Mokee 10 (based on Android 10).[12]

Hardware

The Redmi 2 is powered by a 1.2 GHz Snapdragon 410 SoC with Adreno 306 graphics engine. It features 1 GB of RAM and 8 GB of storage. The Redmi 2S, also called Redmi 2 Enhanced or Prime (depending on locale), has 2GB of RAM and 16GB of storage.[13] The display is a 4.7 inch IPS panel with touch capabilities, 1280x720 resolution at a density of 312 ppi with scratch-resistant AGC Dragontrail glass.

Parts Providers

  • Processor: Qualcomm
  • Modem: Qualcomm
  • PMIC: Qualcomm
  • Wifi/Bluetooth: Qualcomm
  • Connectivity: Qualcomm
  • Audio: Qualcomm
  • RAM: Samsung, Micron, Elpida
  • Storage: Samsung, Micron, Toshiba
  • Display panel: Sharp, AUO, BOE, EBBG
  • Touch: Focaltech, Atmel
  • Camera: Samsung, OmniVision
  • Battery: Coslight, Sunwoda

Variants

Redmi 2 was updated with two models, namely Redmi 2 Prime (India ) and Redmi 2 Enhanced (China ), with 2 GB of RAM and 16 GB of storage, twice that of the standard model. There were several variants of the standard and upgraded model for different markets, with varying baseband support.

Model number Name Features Target market
2014811 Redmi 2 / Prime (HM2XWCPro/wt88047) LTE/WCDMA/GSM China
2014812[14] CDMA variant China
2014813[15] Redmi 2 / Enhanced (HM2XTDPro/wt86047) additional support for TDD-LTE, TD-SCDMA China
2014815[16] Hong Kong, South Asia
2014816[17] 红米2A高配版 (Redmi 2a High Spec) High Spec of version of Redmi 2A China
2014817[18] South Africa, Indonesia, Philippines and Singapore, Hong Kong
2014818 Redmi 2 / Prime (HM2LTE) LTE 2GB/16GB Variant India
2014819[19] Brazil, Indonesia

Successor

The Xiaomi Redmi 3 was announced in January 2016 as a successor to the Xiaomi Redmi 2.[20]

References

  1. ↑ 1.0 1.1 "Xiaomi Redmi 2". gsmarena.com. https://www.gsmarena.com/xiaomi_redmi_2-6884.php. 
  2. ↑ "Redmi 2 Features". mi.com. http://www.mi.com/en/redmi2/specs/. 
  3. ↑ "Official Redmi 2 kernel source.". https://github.com/MiCode/Xiaomi_Kernel_OpenSource/tree/thomas-kk-oss. 
  4. ↑ "MiCode/Xiaomi_Kernel_OpenSource". https://github.com/MiCode/Xiaomi_Kernel_OpenSource. 
  5. ↑ "[ROM[Redmi 2][29/08] CyanogenMod 11.0"]. 17 July 2015. http://forum.xda-developers.com/android/development/hm201481x-cyanogenmod-11-0-t3159419. 
  6. ↑ "[ROM[WT88047][L][5.1.1] CyanogenMod unofficial builds"]. 14 September 2015. http://forum.xda-developers.com/android/development/rom-cyanogenmod-unofficial-builds-t3200883. 
  7. ↑ "[ROM[WT88047][M][6.0.x] CyanogenMod unofficial builds"]. 10 December 2015. http://forum.xda-developers.com/android/development/rom-cyanogenmod-unofficial-builds-t3267958. 
  8. ↑ "CyanogenMod Downloads Redmi 2- Wingtech WT88047". http://get.cm/?device=wt88047. 
  9. ↑ "LineageOS Downloads: Builds for wt88047". https://download.lineageos.org/wt88047. 
  10. ↑ "ResurrectionRemix Downloads". https://archive.resurrectionremix.com/?dir=oreo/wt88047. 
  11. ↑ "Downloads For @ aokpXfer". http://xfer.aokp.co/?developer=AOKP&folder=wt88047. 
  12. ↑ 12.0 12.1 "Redmi 2 – All – MoKee Downloads". https://download.mokeedev.com/wt88047.html. 
  13. ↑ "Xiaomi Redmi 2 Prime 'Made in India' Smartphone Launched at Rs. 6,999". 10 August 2015. https://gadgets.ndtv.com/mobiles/news/xiaomi-redmi-2-prime-made-in-india-smartphone-launched-at-rs-6999-725996. 
  14. ↑ "[redmi2prime[2014812] 4G support in Indonesia (telkomsel)"]. http://en.miui.com/thread-479162-1-1.html. 
  15. ↑ "The model 2014811 and 2014813? they is different?". http://en.miui.com/thread-89904-1-1.html. 
  16. ↑ "Redmi 2 – 2014813 z 1 Gb RAM?... – Dyskusja ogólna". 11 May 2015. https://miuipolska.pl/forum/topic/5341-redmi-2-2014813-z-1-gb-ram/. 
  17. ↑ "2014816 is which Redmi phone?". https://zhidao.baidu.com/question/587159078494869725.html. 
  18. ↑ "FASTBOOT ROM FOR REDMI 2 (2014817) (INDONESIA)". http://en.miui.com/thread-130220-1-1.html. 
  19. ↑ "Flashing Redmi 2 (HM2014819)". http://en.miui.com/thread-144175-2-1.html. 
  20. ↑ "Redmi 3 @ ¥699! 4100 mAh battery, Hybrid Dual Sim,13 MP Camera, Snapdragon 616 - Redmi 3 - Xiaomi MIUI Official Forum". http://en.miui.com/thread-205468-1-1.html. 



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