Please refer to the following steps:
1. Make sure the Surplife App is the latest version, you can check the version by scanning the QR code.
2. Long press the device icon on the App homepage, enter "Device Information" -> Network Diagnosis -> Submit the results to us for further analysis
Note: If "Network Diagnosis" is not found in the device information, the device may not support this function.

If you have any questions, feel free to give us feedback.