Default albums can’t be deleted using the above-mentioned methods because the iPhone creates them.
By syncing your iPhone to iTunes. All the photos will be uploaded to your iTunes app.
To delete these albums, you have to un-sync them via iTunes.
You have to:
- Connect your iPhone to your computer using a USB cable.
- Launch iTunes and then choose your device on it.
- Choose the Menu option, then the albums from the Copy Photos option.
- Then Deselect all the albums whose photos you want to delete.
- The iPhone will then delete the albums.
That was the third method for How To Delete Photo Albums on iPhone?
You might be wondering what just happened. The explanation is simple the iPhone does not sync the images from the deselected albums, which will delete the photos from the selected albums from your iPhone.