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All I have is my housing of my old iphone 5 and I want to acquire a iPhone 5s or parts is it possible to put all 5s parts in my iphone 5 bak housing?

No. You will have to use iPhone 5 parts.

Unfortunately not, all the parts are different, all the connectors are different and everything is shaped differently so won’t fit in at all.

@hammondtigers ,Cameron, NO! iPhone 5 and 5S Rear case, screen assy. and other internal parts are not compatible, so I would say no to using iPhone 5 to make up a 5S or to using parts from 5S. See links below, the cases are different #’s and by pic’s some mounting holes differ. Good luck. I hope this helped you out, if so let me know by pressing the helpful button. iPhone 5 Blank Rear Case iPhone 5s Blank Rear Case