This is happening because the photo was synced to the phone from a computer at some point in time. In order to remove it from your iPhone you will have to deselect the photo or photos that you want to remove via the computer and sync it again.
Why are some Photos on my iPhone not editable?
It is likely that some of your important photos may have these inactive edit buttons, but not all. And this is probably because of compatibility issues. This means that some of the photos or videos you have are not fully supported by the Photos app on the iPhone or iPad. ... You can use a third-party app to do so.
How do you turn a photo into edit?
Drag the dots to the edges of your desired photo or tap Auto. To rotate a photo 90 degrees, tap Rotate .
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- Open the photo you want to edit.
- Tap Edit. Tools.
- Select the tools you want to use with your photo and make changes.
- When you finish, tap Done.
- To undo an effect, deselect the option or tap Cancel.
