Boot the device into Android Recovery Mode. Turn off the device. Hold the Power Button and Volume Up button simultaneously until the recovery menu appears. Use the volume keys to navigate to Wipe Data / Factory Reset and select it using the power button. If a factory reset fails, a manual firmware re-flash using the steps in Section 4 is required. Issue 2: Thermal Printer Stops Working Post-Update
The firmware is built on top of the Android operating system, providing a flexible and customizable platform for businesses to deploy their POS applications. Sunmi V2 Firmware
Regulates voltage to prevent print fades during low battery. Boot the device into Android Recovery Mode