Internal Screw Post / Threaded Screw Post Stud RemovalBeen doing a lot of research on the best way to remove the cross headed screw post stud on the inside of the 4th & 5th gen...
Answer to "Why can't I unscrew my battery connector?"SnapOn brand (USA) makes a very long lasting Phillips #00 srewdriver. I highly recommend this one as it is small and fits well in hands, I use it for EVERY screw on the iPhone. Bondhus FELO brand (Germany) makes the second nicest phillips #00 in my opinion, the only difference is it has a longer shaft, which makes it nice for removing the LCD frame screws on the 4 and 4S model iPhones. Check them out!