Firmware Sunmi V2 Review

The screen went white. For ten seconds, nothing. Then—the Sunmi V2 rebooted. The familiar POS home screen returned. The NFC reader chirped. The printer tested itself with a tiny brrrrt .

Firmware version 2.1.4. Primary author: Priya K. Debug note left 2021-03-11: "If you’re reading this, the POS crashed. Run nand_rebuild -force. Then buy better flash memory." firmware sunmi v2

recover_logs

That debug routine wasn’t meant to survive production. But it had. The screen went white