First thing i would do is check for continuity.

Continuity is good, all 4 shoulder buttons work using ps1, but will not work using using SNES with 2021 02 06 build. Ive tried everything i can think of. Previously I was able to update the mintypi through the retroarch menu and that fixed it but that is no longer an option that i can see. Update: S...

As far as i have figured out, initially loading a game the select button works fine. If i use the restore state (function plus save button by the screen) upon loading the game, pressing the select button sometimes will load state again without pressing anything else. Restoring state a couple more ti...

+1 for pcb kit. Got everything I need except the kit. Will check back! Thanks!