If you like serialized parts which only Apple can replace then say hello to iPhone 12 or 13 and laters…
FYI: you can’t install original screen from another iPhone on iPhone 13 - FaceTime will not work, battery could not be replaced - will get popups of not original (even when it‘s from another legal iPhone) and swapping camera disables them from what I know.
Which genuine iPhone 13 parts can be used as spares between models? Which will throw a warning, and which won’t work at all? We took them apart to find out.
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