Update Redmi 1S to Android 5.1 Lollipop with CM12.1

Redmi 1S is receiving lot of love from Android Developers and why it shouldn’t when it has got millions of satisfied users on its back. From the past few weeks, Redmi 1S users have been asking for Android 5.1 Lollipop based custom ROM. Finally the wait is over and the wish has been fulfilled, thanks to Cyanogen Mod Team for releasing CM12.1 Android 5.1 Lollipop custom ROM for Xiaomi Redmi 1S.

Update Redmi 1S to Android 5.1 Lollipop with CM12.1

If you happen to own Redmi 1S and are one of those anxious users who have been digging Google to find CM12.1 Android 5.1.1 Lollipop custom ROM, then wait to further and proceed with our tutorial to update Redmi 1S to Android 5.1 Lollipop with CM12.1 Custom ROM. Behold, relax and jump to the guide below.

This custom ROM is only for Xiaomi Redmi 1S and practicing it on any other Xiaomi phone will brick that To have a rooted Redmi 1S before following this guide is must.

Safety Guidelines

  • Your Xiaomi Redmi 1S should be 70% or more charged.
  • Ensure that you have complete backup of all your important data.
  • Your Redmi 1S should be rooted with CWM recovery installed on it.
  • Make sure you have downloaded and installed Xiaomi Redmi 1S Drivers on your Windows 7 or later computer.

Though by rooting your Redmi 1S, the warranty will void but no need to worry as you can get warranty back by flashing stock MIUI ROM on your Redmi 2.

Files Required

How to Update Redmi 1S to Android 5.1 Lollipop with CM12.1

Step 1: Firstly you need to download the files required i.e. CM12.1 Android 5.1 Lollipop custom ROM and GAPPS.

Step 2: Once done with downloading, connect your Redmi 1S to your computer and transfer the download zip files to your phone SD card.

Step 3: Turn Off your Redmi 1S and boot it to recovery mode.

Step 4: In recovery mode, first tap on “wipe data factory reset” option to perform a factory reset. Once this is completed, go to advanced options and select “wipe the cache” followed by “dalvik cache” options to clear the cache.

Step 5: Go back to main recovery menu and select “Install zip from sd card” followed by “choose zip from SD card” and select the ROM zip file you have transferred to SD card in Step 1. Once ROM flashing is completed, repeat the same step for GAPPS.

Step 6: Once the installation is completed, go back to main recovery menu and reboot your Redmi 1S which might take few extra minutes for first reboot.

Voila! Your Redmi 1S should now be running on latest Android 5.1 Lollipop, thanks to Cyanogen Mod 12.1 and Androids DNA.