Sunmi V2 Pro Firmware Direct
If your payment app crashes immediately after a firmware update, contact your software provider. They may need to update their APK to match the new Sunmi OS libraries.
Major versions (Important Packages) are often set by default to download and install automatically at night if the device has a stable Wi-Fi connection. Manual Check: Open the System Update app on your terminal. Tap Check for Updates . sunmi v2 pro firmware