Sunmi P1 4g Firmware [portable] -

If the OTA update fails or you need to install a specific version provided by your software vendor, you must use the manual method.

Updates are typically pushed via OTA (Over-the-Air) through the Sunmi Partners Platform. Manual flashing is generally discouraged for payment terminals as it can trigger security "tamper" locks, requiring a factory-level key re-injection to restore payment functionality.

Upon successful completion, a green checkmark will appear in SP Flash Tool. Disconnect your device and power it on. The first boot may take several minutes as the new system configures itself. Sunmi P1 4g Firmware

Do not interrupt the flashing process. If the device hangs for more than 15 minutes, contact Sunmi support.

: Major updates are often pushed automatically to terminals with stable Wi-Fi or 4G connectivity. If the OTA update fails or you need

Ensure you did not flash a Wi-Fi-only firmware variant onto a 4G device. Go to Settings > Network & Internet > Mobile Network and verify the Access Point Names (APN) match your cellular provider's requirements. 3. OTA Update Fails to Download If the download freezes or gives an error:

[SUNMI Cloud Platform] ──(Pushes Update)──> [Sunmi P1 Terminal] ──(Verifies Package)──> [Automated Installation] Steps for Local OTA Update Connect your Sunmi P1 4G to a stable Wi-Fi network. Upon successful completion, a green checkmark will appear

Disconnect the device and hold the power button to boot into the new firmware. Troubleshooting Common Firmware Issues 1. Bootloop or Stuck on Sunmi Logo

Connect your Sunmi P1 to a stable Wi-Fi network (Wi-Fi is recommended over 4G to save data and prevent interruption). Go to > System Update . Tap Check for Updates . If an update is available, tap Download .