It's possible you could jury-rig something up for a tablet, but it's also clear the intended use is as a networked device.
Because phones and tablets don't have SD slots? or data transfer from blue tooth or NAS drives isn't a thing?
PS: iPhones and iPads don't have SD slots so for millions of these devices that do qualify as phones and tables it's really not an option.
Because phones and tablets don't have SD slots? or data transfer from blue tooth or NAS drives isn't a thing?