SanDisk iXpand User Manual page 14

Backing Up or Restore your Camera Library
You can back up your camera library to the iXpand Drive by setting up auto-back up
or manually back up as needed. Turn on Automatic backup by sliding the switch.
This option will also appear during the initial set up screens shown when you first
connect your Drive.
Slide this switch to turn on Automatic backup
You can choose the Restore option to restore photos to your camera roll. For the
Backup option, the default folder is the Camera Backup folder on the iXpand
Drive). Note that the iXpand Drive will ask you for access to your photos the first
time. Choose OK to continue.
After the back up is completed, an option will pop up asking if you wish to delete the
copied photos from the camera roll of the iPhone or iPad to free up space.