Just replaced my phone 7a screen using the available kit. It was next to impossible to get the old screen off using the heat and pry tools. Would definitely recommend getting their jimmy tool. I ended up shattering the old screen on purpose using a punch tool and peeling the glass off the digitizer and frame. This was easiest for me without ordering another tool. Would NOT recommend doing it this way! The other deviation from these instructions is that the screen replacement version sent to me (10/2023) had the screen adhesive already applied to the screen. Made it much easier to install since there was no human error applying the screen adhesive to the phone frame first then lining up the screen. Definitely an improvement! Overall, took me way too long to complete, closer to 2+ hours due to the issues getting the old screen off. But certainly manageable by any DIYer. Would definitely buy from iFixIt again in the future if needed.