A friend just gifted me the Acer Mixed Reality Headset AH100, and going through the Windows Mixed Reality, Steam and other platforms, I noticed that the right controller thumbstick is permanently stuck in the back/bottom position. The thumbstick doesn't appear to be broken mechanically, and the controller works fine otherwise. It seems my friend had it for some time as it is out of warranty and Acer has refused to talk to me about it.
Has anyone faced this issue before? Is there anything I can do to try and debug? Is this user-repairable? Would love any suggestions/input on this.