We've lost a significant amount of photos and photo albums on an un-rooted Galaxy s4 and would like to retrieve them. This seemed easier than it actually turned out to be going in. Rooting the phone is an option, but it seems risky without a backup, and a backup seems risky due to the potential to restore once the backup is complete. Any advice or instructions on the way forward here would be greatly appreciated. The phone is in unused condition and the ideal course of action would be to find software that can retrieve the photos without any alterations to the phone as it exists today. Again, this is an unrooted phone. Thank you.