This is a short post that shows you how to force icloud backup. If you get the message telling you that icloud hasnt been able to backup to icloud for a week or longer, you can force your device to backup to icloud.
How to force icloud backup
- open settings
- goto icloud > backup
- click the button marked ‘backup now’
This will start a backup process which will force your iphone to backup to icloud!
sources: appleinsider