As a rule, I would Open Photos > Camera Roll, tap on arrow button at top right, then tap the photos I want to delete and press the Delete button at the bottom. But since my iPhone is lack of storage space, and I am in an urgent need to take a large number of photos, a quick way to delete photos can help me a lot. Then my friend tells me a remarkable method. Now, let me show you how to do it. The things you need: computer, iTunes, iPhone, iPhone Transfer / iPhone Transfer for Mac
Free download the iPhone program here:
Tutorial: A Quick Way to Bulk Delete Photos from iPhone
Connect iPhone with Computer
Download and install iPhone Transfer on your Windows PC. Then, run it. This program works perfectly in Windows 7, Windows 8, Windows 10, Windows Vista and Windows XP. Use a USB cable to connect your iPhone with PC. After connecting successfully, iPhone Transfer will display your iPhone in the primary window, showing you the basic info of your iPhone.
Note: As I've mentioned above, iPhone Transfer is iTunes companion. To make it works, you should install iTunes on your computer first.
Delete photos on iPhone quickly
Now, as you see, there is the navigation in the left-hand pane. To delete photos, you ought to click "Photos". In the photo management window, open "Photo Library" > choose the photos > click "Delete". Then a window will pop up - Are you sure you want to deleted the selected items, click "Yes" to continue.
That’s it. What do you think? Just in 2 simple steps, you can delete all the photos you want at an amazing quick speed. Tell you what, iPhone Transfer can delete photos from iPhone 6s/6s Plus/6/6 Plus, iPhone 5s, iPhone 5c, iPhone 5, iPhone 4, iPhone 4S, and iPhone 3GS which are running on iOS 9/8/7. What’s more, you can also transfer photos between iPhone and computer with just a few clicks.