Open the Google Home app
Tap your device
Tap Settings
Tap Wi-Fi
Tap Forget this network
Set up the device again
Select the new Wi-Fi network
Enter the Wi-Fi password
Wait for the device to reconnect
Open the Google Home app
Tap your device
Tap Settings
Tap Wi-Fi
Tap Forget this network
Set up the device again
Select the new Wi-Fi network
Enter the Wi-Fi password
Wait for the device to reconnect