Resetting network settings on an Android device is often an effective method of troubleshooting network connection issues.
Overview
This guide will show how to reset network settings on your device if you can't connect to the WiFi network. This helps you to clear nearby networks saved on your device and reset the connection settings of your device.
Reset the Network Settings on your Android device
1. Open the Settings application on your device.
2. Scroll down to the bottom and select System.
3. Select Advanced to view additional options
4. Select Reset options
5. Select Reset wi-fi, mobile and Bluetooth
After your phone restarts, please reconnect to the Wi-Fi using your username and password.
If you are unable to connect to the encrypted network, you may connect your device to the open network.