DESCRIPTION

I collected the firmware from the sources

Added the engineering menu.

The ColtOS project is a team of developers who created custom firmware based on lineageos with some additional settings. They carefully selected the settings due to what ColtOS firmware differs from many other firmware / projects.

Based on:

LineageOS / Cyanogenmod
crDroid Android
DirtyUnicorns
AOSiP
TeamSubstratum (Theme Engine)
Pure Nexus
ViperOS
ResurrectionRemix
GZR-ValidusOS
ParanoidAndroid
OmniROM

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