Give yourself some peace of mind and make sure you have a solid iPhone backup before moving to the next version.

If your photo (or video) is there, select it, tap the three-dot icon at the bottom right of the screen, and then select ...

To restore your new phone, open Finder or iTunes, and connect your phone to your computer. Click Trust when prompted, and ...

Then if you lose your phone or suffer a botched update, you can restore your iPhone backup and everything will be like it ...

Apps and data stored on an iPhone or iPad running iOS 8 or earlier will not be affected, and Apple says that customers can still manually back up their devices to a Mac or a Windows PC.