The Sunmi T2 often includes a built-in printer and cash drawer ports. If these are "locked" via software: Ensure the app is updated.

Use this if you still have access to the home screen but want to "unlock" the device from previous configurations or local restrictions. (the gear icon). Navigate to Backup & reset (often under "Personal" or "System"). Factory data reset and confirm by clicking Erase everything During the initial setup after reset, you can often click