The chances are that it’s because you have previously synced your photos from computer with iTunes or any other third-party app. There are several reasons why you can’t delete photos from iPhone. I can’t delete photos with CopyTrans Photo.In this guide, we will try to explain why you can’t delete photos from iPhone or any other iOS device like iPad or iPod Touch and provide workable solutions to delete photos from iPhone. However, some users come unstuck when trying to delete pictures. With the Photos app you can edit your photos, organize them into albums and delete those you no longer need.