A. 1. Restart your device: Power off your Android device completely, wait for about 30 seconds, and then turn it back on. This can help reset the network settings. 2. Forget and reconnect to the WiFi network: Go to Settings > Network & Internet > WiFi, tap on the network you are trying to connect to, select 'Forget', and then reconnect by entering the password again.
B. 3. Check your router: Ensure that your router is functioning properly. Restart the router by unplugging it for 10 seconds and then plugging it back in. 4. Update your device: Go to Settings > System > System update to check if there are any updates available for your device that might fix connectivity issues.