One of the most complex repairs on an iPhone is a screen replacement repair, before you attempt this repair be sure to have sufficient time to complete the task, and have a clear working space for your iPhone and the replacement screen to sit in while working on them.For a replacement screen repair it is necessary to completely disassemble the iPhone, therefore I would suggest that prior to commencing the repair get a few small pieces of paper in order to label your parts, and I particular the origin of the screws. Label them as follows; Metal Back Screws, aluminum back case, and motherboard - lay them out on the workspace in ...