not all clips break, and there are so many clips that despite breaking 2-3 clips it still fitted in nicely, if you do not have a metal spudger you can use any pack of screw drivers whose other end looks like the metal spudger, that’s about it, as far the instruction goes they are good for battery replacement.
thank you, successfully replaced my broken screen, but with considerable effort, the adhesive is a killer, too strong but heating helps, must wear safety goggles and if possible some gloves to protect hands from shattered glass.