DESCRIPTION

I collected the firmware from the sources

Installation via TWRP
Be sure to do Backup, in case something goes wrong.
1. Download the firmware, put it in the root directory of the cd-card or the phone's memory.
2. Put the smartphone into recovery mode and make wipes: 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