Apps crashing and glitches

Quis89

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Feb 6, 2012
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It's possible your update is bad. If you're noticing issues with a specific app, I'd recommend uninstalling that app then reinstalling. If the issues are widespread then you may want to backup your device, completely wipe your phone and then restore from that backup. If the problem continues past that, then you know its probably an issue with your backup data. In that case, wipe your device completely and start fresh.

If all else fails, you'll want to restore your iPhone with iTunes. That will download and install a fresh iOS version.