Turning Wi-Fi on and off might assist eliminate Internet connection issues for probable reasons. This method re-establishes your iPhone's wireless Internet connection, removing small problems and glitches that might have created conflicts with network-related apps and services, notably the App Store. The following is how it works:

1. From the Home screen, tap to launch Settings.
2. Select Wi-Fi.
3. Toggle the Wi-Fi switch to the off position to disable the capability.
4. To turn Wi-Fi back on, hit the switch again after a few seconds.