DESCRIPTION

We are PolyOS. We are legion…. Well, no not really, but we're a Custom ROM based off LineageOS 14.1, that's dedicated to bringing its users the best experience users want and need in terms of performance and stability. We have handpicked some of the most widely used features and integrated them into our ROM; but that doesn't mean we suffer in terms of performance, oh no!

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