FAQ question answered! Super simple and easy to follow. If you are still having troubles, it could be a glitch within the app, close it down and try again.
Hope it helps!
1.Open the IG app on your mobile phone.
2. Go to your profile and click on the photo you would like to delete.
3. You will see 3 little dots on the right-hand side of your screen next to your username.
4. Once you click on the dots, there will be a red DELETE button.
5. Once you click that, you are all set and the photo will be removed from IG