Open the Alexa app on your phone
Tap Devices
Select Echo & Alexa
Choose your Alexa device
Tap Device Settings
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 turns orange
Follow the on-screen instructions in the Alexa app
Select your new Wi-Fi network
Enter the Wi-Fi password
Wait for Alexa to connect
Test the connection by saying a voice command