If you want to delete auto backup pictures on your phone, there are a few different ways to go about it. The first way is to go to the Photos app and select the auto backup pictures option. From here, you can select the pictures you want to delete and press the Delete button. If you don’t want to delete all of your auto backup pictures, you can select individual pictures and press the Delete button. Finally, if you want to keep your auto backup pictures but disable the ability for them to be automatically saved, you can go to Settings > Backup & reset > Auto backup and disable the option for Auto save photos. ..