Fix Cellular Data Not Working on iPhone. I called Apple Support and they asked me to reset network settings and then reset all settings neither worked. These problems should not happen too often, but they can occur.
FaceTime Over Cellular Expands to More ATT iPhones, Check if Yours Works Too.This morning, the problem has returned. Scroll to the bottom and tap the Reset menu option. Turn on iPad again and go to Settings - WiFi. Fix iPhone Cellular Data Problems by Resetting Network Settings. This will wipe out any saved WiFi networks while resetting your cellular data settings to their defaults.
View and edit your APN settings. If you can't modify your APN settings, contact your carrier. Some carriers require you to enter your APN settings to set up your cellular service. You can only edit or view your APN on your iPhone and iPad if your carrier allows it. Then go to Settings - Cellular data. Locate the game setup files and right-click on the Setup. After searching the Web, found another method a quick format. This means resetting your network settings can also fix WiFi problems, if youre having any of those.