If the Xiaomi Portable Photo Printer Pro fails to update its firmware, please follow these troubleshooting steps:
Check your network connection to ensure it is stable and reliable. Firmware updates can fail if the network is slow, unstable, or disconnected during the process;
Restart your Wi-Fi router if needed and ensure the mobile device running the Xiaomi Home App is securely connected to this network;
Power off the printer, wait a few seconds, then turn it back on to reset the connection;
Open the Xiaomi Home App and attempt the firmware update again;
If the update fails again, consider switching to a different network;
If none of the above steps work, please contact after-sales service for further inspection and assistance.