If your iCloudstorage is full, you can back up your device to your computer or an external hard drive.
To back up your device to your computer:
1. Connect your device to your computer.
2. Open iTunes.
3. Click on the device in the toolbar.
4. Click on Summary.
5. Click on Back Up Now.
To back up your device to an external hard drive:
1. Connect your device to your computer.
2. Open iTunes.
3. Click on the device …
