This was known a while before, but you can flash a GSI on the T290 and T295.This thread is basically to list working GSI's for this tablet, and I won't go into much details about how to flash. If anybody has a working GSI, that's appreciated.Working GSI:LineageOS 20 TrebleDroid based by Andy YanSuperiorOS Android 13CrDroid Android 13These GSI's were either tested by me, or somebody else.