The experience of iOS 5 on iPhone 4 is pretty shitty so say the least until I figured out the culprit is iCloud. Some symptoms with iCloud enabled, include but

The experience of iOS 5 on iPhone 4 is pretty shitty so say the least until I figured out the culprit is iCloud. Some symptoms with iCloud enabled, include but not limited to, random screen freezes, random login freezes, and application switching freezes. Just lots of freezes thanks to iCloud