Open the Alexa app on your phone
Tap Devices
Select Echo & Alexa
Choose your Alexa device
Tap Status
Tap Change next to Wi-Fi Network
Put your Alexa device in setup mode
On the device, press and hold the Action button until the light ring turns orange
Follow the on-screen prompts in the Alexa app
Select your new Wi-Fi network
Enter your Wi-Fi password
Wait for the app to finish connecting
Confirm the device shows as online in the Alexa app