This is an UNOFFICIAL CyanogenMod 12.1 for Redmi 1s (device codename: ARMANI) custom ROM built from Android lollipop 5.1 sources by xda senior member fefifofum. Yes this ROM still has some bugs as this is still an UNOFFICIAL beta build. CyanogenMod is a free, community built, aftermarket firmware distribution of Android Open Source Project, which is designed to increase performance and reliability over stock Android for devices.
Installing custom ROM requires a custom recovery to be installed on your device, which may VOID your warranty and may delete all your data. Before proceeding further you may consider backup your all data. You are the only person doing changes to your phone and I cannot be held responsible for the mistakes done by you. Please visit the Disclaimer page below to agree with the risks involved and proceed before flashing this ROM to your phone:
ROM Disclaimer link
– Camera HDR mode doesn’t seem to be working.
– Enabling LiveDisplay in Settings > Display causes lags.
– Some other minor bugs.
Required files for CyanogenMod 12.1 for Redmi 1s flashing:
CyanogenMod 12.1 comes with ROOT, so SuperSU zip file is not required.
Installation guide of CyanogenMod 12.1 for Redmi 1s:
Make sure that you have installed a custom recovery on your Redmi 1s (device codename: ARMANI).
If you still not have a custom recovery for Redmi 1s then have a custom recovery first, otherwise you cannot install CyaongenMod 12.1 on your phone.
Copy the ROM and GApps zip file to your phone (By using a USB cable or via adb push command).
Enter into recovery mode by pressing your device specific key combinations.
Or else if you are on a pc with USB driver and adb installed, then type the following command:
$ adb reboot recovery
Wipe system partition, cache, data (factory reset).
Select the Install Zip from SDcard option.
Select the CyanogenMod 12.1 for Redmi 1s ROM zip file and then flash the GApps package and let the installation complete and then reboot. Flashing this ROM may take a while, so have patience.
Complete the initial setup and enjoy Android Lollipop 5.1.1 with CyanogenMod 12.1 for Redmi 1s.