The Reset button on the Wemo Doorbell is located on the back of the unit. You will need a Torx T6 security bit or screwdriver to unscrew the security screw on the bottom of the Wemo Doorbell to remove it from the mounting plate. A Torx T6 security screwdriver was included in the package of the Wemo Doorbell.
Step 1: Unscrew the security screw from the bottom of the Wemo Doorbell and remove it from the mounting bracket.
Step 2: Use a small object like a pen or the Torx screwdriver tip to press and hold the reset button until the lights on the doorbell turn yellow (about 8 to 10 seconds). Release the reset button once the lights turn yellow.
Step 3: Wait for the status light and light bar on the video doorbell to turn blue.
Step 4: On your mobile device's settings screen, go to Wi-Fi and tap on the SSID of the Wemo Doorbell seen under SET UP A NEW DEVICE. Then, tap Add to Home & Wi-Fi.
NOTE: Alternatively, you can go to the Home app and tap on the Wemo Doorbell tile. Then, tap on the gear icon.
Step 5: Tap Update Accessory Wi-Fi Settings. This should let the Wemo Doorbell join your network again.
Step 6: Place the Wemo Doorbell back on the mounting bracket and put the security screw back in place.
Your Wemo Doorbell will reboot and go back into setup mode. This will take about 30 seconds. Once the status lights are flashing on the front of the doorbell, hold your phone next to the doorbell to go through setup and add it back to your network.