Removing Screws
How to remove tough screws or stripped screws
Removing tough screws during an iPhone or mobile repair, can be a challenge. The Y000 tri-tip on iPhone 7, 7 Plus can be especially tough and it is easy to over-torque and strip the screw or screwdriver. First you have to determine if the screw is stripped or if it is the screwdriver.Here are a few videos to help you troubleshoot tough screws or stripped screws and remove them. Includes the rubber band technique if screw itself is worn.
https://www.youtube.com/watch?v=TEYgVsPcWjE
https://www.youtube.com/watch?v=YXGlQdAWrwE