Plug a USB keyboard into the base of the T2. Try pressing Ctrl + Alt + Del or the Windows Key + D to see if it breaks the app's focus and returns you to the home screen.
If remote unlock unavailable and ADB enabled: attempt adb rm /data/system/gesture.key and reboot. unlock sunmi t2
Unlike consumer smartphones, the Sunmi T2 is an enterprise-grade device, meaning security and "unlocking" methods vary depending on what exactly is locked. 1. Unlocking the Screen (Forgotten PIN or Pattern) Plug a USB keyboard into the base of the T2