iPhone Data Recovery Giveaway
There are two ways for you to recover files without turn on iPhone.
Way 1: retrieve pictures from iPhone with iTunes backup file
1. Connect the iPhone to the computer with a USB cable.
2. Open iTunes.
3. If you have a new or erased iPhone, iTunes will prompt you to restore from backup.
4. Otherwise, Control-click on your iPhone under DEVICES in the left menu.
5. Select Restore From Backup...
6. Choose the backup you wish to sync and click the Restore button.
Way 2: recover photos from iPhone with iPhone data recovery program.
Read more: how to retrieve deleted pictures from iPhone