HT206203: If you can't activate your iPhone, iPad, or iPod touch after installing iOS 9.3
Learn about If you can't activate your iPhone, iPad, or iPod touch after installing iOS 9.3
Q: Gamecenter
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Apr 3, 2016 11:57 AMby sterling r,Hey there Jesus!
It sounds like your Game Center app and settings aren't working for you at all and just make your phone unresponsive. I would quit the Game Center app and the Settings apps:
1. Press the Home button two times quickly. You'll see small previews of your recently used apps.
2. Swipe left to find the app you want to close.
3. Swipe up on the app's preview to close it.
When you have done that restart the device and test the issue again:iOS: Turning off and on (restarting) and resetting
Now I don't think it will come to this, but if the issue persists, backup your device to iTunes, then restore it as new and verify that it works.
How to erase your iOS device and then set it up as a new device or restore it from backups
If it does, then restore your backup to either verify it still works and the software just needed reinstalled, or isolate the issue to the backup file itself. Thank you for using Apple Support Communities!
