Updated on: July 9, 2021
In case that AnyBackup is plugged directly into the device, the storage device that can be used here is Micro SD card.
In another case that AnyBackup is connected with the device via a cable, the storage devices that can be used here are the Micro SD card, the USB Flash, or the External Portable Hard Drive.
Check the following videos for more details.
How to use the storage devices with AnyBackup on Android
How to use the storage devices with AnyBackup on iOS iPhone iPad