How to Install Android 5.1 Lollipop on Xiaomi Redmi 1S via CyanogenMod 12.1
If you are a proud owner of Xiaomi Redmi 1S then I have a good news for you. You can install Android 5.1 Lollipop in your Redmi 1S smartphone by installing the CyanogenMod 12.1.
A reputed xda forum member named jsevi83 released this guide on how to install android 5.1 on Redmi 1S smartphone via CyanogenMod 12.1.
ROM info:
- ROM OS version : 5.1.x Lollipop
- ROM Kernel: Linux 3.4.x
- Status: Testing
- Build date: 7 April
Changelog:
- Fix alarm during off mode charging
- Less aggressive thermal control for battery temp
- Update Wi-Fi files to fix suspend issue
- Disable KSM by default (fixes camera for some users)
- Update media codecs and profile
Xiaomi Redmi 1S Known bugs:
- Camera HDR mode doesn’t works
- Alarm doesn’t work when the power is off and not even the charging
CM12.1 bugs:
- Moving apps to sdcard doesn’t works
- Livedisplay causes display lagging
some other minor problems/bugs
Note:
- Doing this will void the warranty
- Your device need to have at least 80% charge
- Take a proper backup of every important data using cloud and Google sync
- Note that this is an unofficial release, so there are bugs in this update
- This guide is specially for the Redmi 1S. Doing this on any other device will brick that device
- After flashing this ROM, if your device gets stuck in the booting animation or you experience boot loop then do a wipe cache partition and wipe tdalvik cache for few times before rebooting Redmi 1S
- After the installation you need to give it 10 time to boot for the first time
- We are no way liable for any problem caused at your device
- Proceed at your own risk
Pre-requisites:
- You Redmi 1S need to have latest recovery system installed
- Your Redmi 1S need to have an unlocked bootloader
- Your Redmi need to be rooted
- Enable USB debugging by going to settings> About Phone then tap on the build number several times until you see a message saying “you are now a developer“.
- USB cable to connect your phone to the computer
Download:
How to Install Android 5.1 Lollipop on Xiaomi Redmi 1S via CyanogenMod 12.1
Step 1: Connect Redmi 1S to computer Via USB cable
Step 2: Copy the downloaded file to the internal storage of the phone. Remember, do not extract the downloaded file
Step 3: Disconnect the phone from the computer and boot into the recovery mode
Step 4: Now boot your Redmi 1S into the recovery by pressing Volume Up & Power buttons at the same time until the recovery mode appears
Step 5: While in recovery mode, make a nandroid backup of the existing. This is to ensure that if the new ROM does not works or make problem you can revert to the current version easily . From the recovery select Backup and do a swipe on the Swipe to Back Up button
Step 6: Now, perform a data wiping task . Just tap on the Wipe then Advanced Wipe and then select Cache,Dalvik/ART cache and Data. Let’s swipe on the Swipe to Wipe at the bottom of the screen
Step 7: Lets head back to the recovery menu again and select the Install then navigate to the folder where you have saved CM12.1 ROM file. Now select it and do a swipe on Swipe to confirm flash
Step 8: Now install the Gapps package by following the same procedure of the way you flashed the ROM
Step 9: When the installation process is finished, select Reboot > System
When the phone reboots it has the android 5.1 Lollipop running
Source: XDA
