A network settings reset might assist in resolving network connectivity difficulties. This will clear up all of your current network settings, allowing you to start again with your Internet connection. Here's how you do it:

1. From the Home screen, choose Settings.
2. Select General.
3. Reset may be found by scrolling down and tapping it.
4. Choose Reset network settings from the drop-down menu. All of your existing network settings, including Wi-Fi, Bluetooth, and server settings, will be deleted, and the defaults will be restored.
5. Enter your device passcode if asked.
6. Then press to check that the system settings have been reset.