AOSP is Linux. If by "mainstream" Linux you mean something like postmarketOS, I'd suggest you look up reviews or give it a try yourself. A few months ago, peop

AOSP is Linux. If by "mainstream" Linux you mean something like postmarketOS, I'd suggest you look up reviews or give it a try yourself. A few months ago, people were reporting a hard time placing a call, taking a photo, etc.