You must re-connect Wi-Fi switch module to the new Wi-Fi network
according to the App User Manual.
Q5: How do I reset the device?
Power on/off device 5 times until the beeper on module sounds
continuously.
Manual override
The switch module terminal reserves the access of manual override
function for the end-user to switch on/off.
Switch on/off permanent on/off function.
NOTES:
1. Both the adjustment on App and switch can be reset, the last
adjustment remains in memory.
2. The App control is synchronizing with the manual switch.