Like any electronic gadgets, you may lose the access to the photos on your Samsung Galaxy S7, for example, the phone gets lost or broken, SD card goes bad, etc. So you should backup your precious photos to avoid data loss.
MobileGo is one way to do just that. It enables you to backup all the photos from Samsung Galaxy S7 to computer easily. Once the photos are gone on your phone, you can restore them with one-click.