Installation via TWRP
Be sure to make a backup in case something goes wrong.
1. Download the firmware, put it in the root directory of the cd-card or phone memory.
2. Put the smartphone in recovery mode and make the wipe: Dalvik / ART Cache, System, Cache, Data.
3. Go to “Installation” and select the firmware, start the installation.
※Please make a backup of your device before installing or updating ROM