Your iCloud storage will be reduced to 5 GB on 01/14/2016. However, you are currently using more than 5 GB.
Unless you take action before your downgrade takes effect, backups to iCloud will stop, and apps will no longer be able to save documents to iCloud. You can either free up storage or cancel your downgrade to keep your current storage plan for another year.
To continue using these iCloud features without interruption, you can cancel your downgrade by selecting a different storage plan:
1.On your iOS device, go to Settings and tap iCloud
3.Tap your current plan, then choose from the options presented
For more information on managing your iCloud storage, please read this Learn how to manage your iCloud storage >.
The iCloud Team
Option 2: You can turn off your iCloud backup then plug your phone in to your computer and run the backup every few weeks. This is what I do and you could too! So here is how to turn off iCloud backup. Go to Settings > iCloud > Backup > Uncheck "iCloud Backup". You will be asked to hit OK again to verify you know that you are stopping the backups. Once iCloud backup is turned off you then will have to plug your iPhone in to your computer every 2-3 weeks to perform a backup. Good news this is easy! First install iTunes or run it. You can get iTunes here if you do not have it already. Once you are running iTunes and your phone is plugged in your phone should show up like below.
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