Xiaomi Mi3W now gets the official CM13 custom ROM to update the device to Android Marshmallow. This ROM is a custom ROM, so you need to root your device and install TWRP custom recovery on it, to flash the ROM. Once you flash this custom ROM on your device you void your device warranty, for which you will be sole responsible.
Now, if you are a Xiaomi Mi3W user waiting for official Android Marshmallow update from Google to be available, then it’s better not to wait any longer and try this ROM instantly as it has all the features of Android Marshmallow and it’s AOSP. This ROM is developed by famous aftermarket Android developers CyanogenMod who delivers really good ROM and that to this is a Nightly build which going to be better than any other CM13 ROM.
Now, that you are aware of the ROM, let us move ahead and flash this official CM13 custom ROM on your Xiaomi Mi3W. All you need is to follow the procedure carefully and avoid any minor errors from happening.
Preparing Your Phone
- These instructions are strictly limited to Xiaomi Mi3W model of the device, if you try it on another device then you may brick your device.
- The Device should be fully charged to avoid interruption in the process.
- Back up all the data and also make a Nandroid backup of the current ROM.
- Install USB drivers of the device on your PC.
- The Device should be rooted and it’s boot-loader must be unlocked.
- Custom recovery like CWM or TWRP must be installed on your device.
- Enable USB debugging mode on your device. Go to Settings > Developer options > USB debugging mode.
Install Android Marshmallow CM13 Official Custom ROM
- Download Android Marshmallow based CM13 custom ROM file from here.
- Download Android Marshmallow Google app’s from here.
- Connect the device to PC and transfer both files to device internal storage.
- Disconnect the device, and switch it off.
- Reboot the device into Recovery mode, press and hold the Volume Down and Power key for few seconds.
- While in recovery, tap on Wipe options and select all the options available.
- Return to main menu and tap on Install option and navigate to the ROM file stored on your device.
- Select the file and flash it by using Swipe to wipe button.
- In the same way flash the Google App’s file.
- Return to main menu and tap on Reboot to reboot the device into normal mode.
- That’s all, you can now check the Android version in Settings > About device > Android version.