Chosen Solution
A few years ago (before I learned to repair) I took my 5s to a repair shop that did not put my screws back in or brackets, how will i know where each screw will go in?
@xbrowsing ,Victor, Links below(disassembly guides) may help you identify screw and their locations, screws are listed in the process. Good luck. I hope this helped you out, if so let me know by pressing the helpful button. iPhone 5s Logic Board Replacement iPhone 5s Repair