How to troubleshoot a phone that will not connect to Wi-Fi
PURPOSE
Connection problems may come from the phone, Wi-Fi network, password, or signal strength.
CHECK
Make sure Wi-Fi is enabled, airplane mode is off, and the correct network password is being used.
TRY
Move closer to the access point, restart the phone, reconnect to the network, or restart Wi-Fi.
TEST
See whether other devices can connect to the same network.
WHEN TO ASK FOR HELP
Report the issue if multiple attempts fail or if only one network consistently fails.