Apple plans to reset all iCloud backup data on September 22nd, 2011, according to report on 9 to 5 Mac, in preparation for the launch of iOS 5 andiCloud.
Apple has made this announcement to developers on its iOS and
Mac Developer site.
Apple has made the following announcement:
On Thursday, September 22, the iCloud Backup data will be reset. Backing up to iCloud or restoring from an iCloud backup will be unavailable from 9 AM PDT – 5 PM PDT. If you attempt a backup or restore during this time, you will receive an alert that the backup or restore was not successful. After this reset, you will be unable to restore from any backup created prior to September 22. A full backup will happen automatically the next time your device backs up to iCloud.
Apple has released 7 beta versions of iOS 5 so far and had releasediOS 5 beta 7 on August 31st. Apple was rumored to release iOS 5 beta 8 late last week with the iOS 5 Golden Master on or around September 23rd. So it remains to be seen if Apple will directly release iOS 5 GM on September 23rd.
The same rumor also claimed that Apple's iPhone carrier partners will give their approval for iOS 5 by October 5th, sugguesting that iOS 5 will be publicly available by the first half of October.