I have an LG OPTIMUS L90 running Lollipop 5.0.2 and every time I boot my brightness settings reset from 0% (how I had it before reboot) to random numbers, for example: sometimes 90%, 100%, 77% etc.
My screen timeout also resets from "Never turn off screen" to "Turn off after 2 minutes". My device isn't rooted and I just factory reset it. Solutions?