Open the Alexa app on your phone
Tap Devices
Tap Echo & Alexa
Select your Alexa device
Tap Change next to Wi-Fi Network
Press and hold the Action button on your Alexa device until the light turns orange
In the Alexa app, tap Continue
Select your Wi-Fi network
Enter the Wi-Fi password
Tap Connect
Wait for the device to confirm the connection
If needed, restart the Alexa device and try again