[CUSTOMROM] CyanogenMod 12.1 Lollipop 5.1.1 For Redmi 2

What is CyanogenMod? CyanogenMod 12.1 is a custom ROM based on Android 5.1.1 (Lollipop), which is designed to increase performance and re...

What is CyanogenMod?
CyanogenMod 12.1 is a custom ROM based on Android 5.1.1 (Lollipop), which is designed to increase performance and reliability over AOSP for your device. CyanogenMod is based on the Android Open Source Project with extra contributions from many people within the Android community.

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  1. First time flashing CM12.1 on your device, or coming from another ROM (e.g. MIUI)?
  2. WARNING: This procedure will factory reset your device! Accounts, applications, settings, etc will be lost!
  3. Download the file cm-12.1-xx-UNOFFICIAL-wt88047.zip to your phone from the links below
  4. Download the file Gapps to your phone from the links below
  5. Reboot your device into Recovery mode by holding PWR+VOL
  6. Format userdata, cache and dalvik cache
  7. Install both the ROM and the GApps zip files
  8. Reboot
Upgrading from earlier version of CyanogenMod 12.1?
  1. Download the file cm-12.1-xx-UNOFFICIAL-wt88047.zip to your phone from the links below
  2. Reboot your device into Recovery mode by holding PWR+VOL-UP
  3. Install the ROM zip
  4. Wipe Cache & Dalving Cache
  5. Reboot
  • Google, AOSP, Cyanogen, CyanogenMod community, Qualcomm's CodeAurora
  • @balika011, @zwliew, @Flour_Mo
  • Introducing me: XDA Recognized Developer, CyanogenMod contributor
  • My wife, she always believed I could restore back her device in minutes
  • Some tools: Kate (text editor), Kompare (diff viewer and generator), qgit (git GUI)
  • Smarfren Indonesia for Andromax Q source code
  • Micromax India for Yuphoria and Yureka source code
A brief history of this ROM:
A developer known as balika011 https://github.com/balika011 start working on kernel, based on CAF's QRD SKUI kernel source and known working on stock Xiaomi's KitKat ROM. I develop it further and rebase it to Cyanogen's MSM8916 kernel source. Device tree source based on CyanogenMod's rendang, including vendor proprietary binaries. Only camera blobs taken from Redmi 2 KitKat ROM. After a lot of fix, I managed boot CM 12.1 Lollipop. Zwliew https://github.com/zwliew also contribute some fix to my source.

Current status:
  • Boot to Android, this is my first ROM that really boot on the first try
  • Touchscreen works, all hardware button mapped corectly
  • No screen flicker, fluid graphics
  • Voice call and SMS works, data over WiFi and GSM works (radio config in build.prop fix previous GSM issue)
  • Vibration and screen rotation works
  • All sensors seem works including GPS and compass but light sensor still need a fine tuning
  • Both camera working, the author found a super clean solution
  • No boot animation (fixed, kernel issue) Disable splash screen break Android boot animation but if I enable it, Cyanogen recovery covered by Tux the penguin logo in the center. The workaround solution, move Tux to the top right of the screen
  • No sound (fixed, kernel and user space issue) This also fix slow boot because of logcat flooding. BUG: Speaker output ignore headset jack insertion, sound out from both speaker and headset
  • Bluetooth file transfer fail (~42MB zip, failed at 17%) WiFi file transfer way faster
  • FM radio works
  • WiFi hotspot works
  • YouTube and local video 720p works
  • LED driver working great, multi color and blink
Remember, no contribution from Xiaomi yet. That's the reason why I try to avoid "Xiaomi" string in my source as possible but Wingtech. For a perfect Lollipop experience, official kernel source still needed. Support us: Change.org

Download Link
Kumajaya Build
CM12.1 (Build 30/09/2015): AndroidFileHost | Direct
CM12.1 (Build 03/10/2015): AndroidFileHost | Direct
CM12.1 (Build 06/10/2015): AndroidFileHost | Direct
CM12.1 (Build 08/10/2015): AndroidFileHost | Direct
CM12.1 (Build 23/10/2015): GoogleDrive
CM12.1 (Build 25/10/2015): GoogleDrive

EmfoxZhou Build
CM12.1 (Build 22/10/2015): GoogleDrive
CM12.1 (Build 01/11/2015): GoogleDrive  [NEW]

Gapps 5.1.1 Link (110MB)
BasketBuild | Android File Host | Dev-Host



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HPJadul.NET: [CUSTOMROM] CyanogenMod 12.1 Lollipop 5.1.1 For Redmi 2
[CUSTOMROM] CyanogenMod 12.1 Lollipop 5.1.1 For Redmi 2
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