Useful Links

You may find the following links useful when working with Apple devices:

iCloud: Back up your iOS device to iCloud

http://support.apple.com/kb/PH12520

iCloud: Restore your iOS device from iCloud

https://support.apple.com/kb/ph12521

iCloud: Troubleshooting restoring an iCloud backup

http://support.apple.com/kb/TS4036

iCloud: iCloud storage and backup overview

http://support.apple.com/kb/PH12519

iOS: Unable to restore from backup of a newer device

http://support.apple.com/kb/TS3682

iOS: Back up and restore your iOS device with iCloud or iTunes

http://support.apple.com/kb/HT1766

iTunes: About iOS backups

http://support.apple.com/kb/HT4946

iTunes: About encrypted backups in iTunes

https://support.apple.com/en-us/HT205220

Choosing an iOS backup method (Should I use iTunes or iCloud to back up my iOS device?)

http://support.apple.com/kb/HT5262

Recovering iCloud contacts, calendars, and bookmarks from an iTunes backup of an iOS device

http://support.apple.com/kb/TS4108

iOS: If you can't back up or restore from a backup in iTunes

http://support.apple.com/kb/TS2529

iCloud: iCloud security and privacy overview

http://support.apple.com/kb/ht4865

Get a verification code and sign in with two-factor authentication

https://support.apple.com/en-us/HT204974