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I removed the logic board on my iPhone 6 plus, but the screws got all mixed up (clumsy I know). I was wondering if there is a way to tell the difference between them. I have read on some forums where even if you buy the kit with all the screws they are all in the same bag so I know there must be a way to tell, I just don’t know what it is. Thank you!

iPhone 6 Plus Logic Board Replacement This guide tells you where each screw and what size goes where on the logic board, hope that helps.