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Could someone explain what all the brown flex’s / tape / shields are on the middle frame of the phone are used for , what are they ? Could someone explain what each one is .? Does it matter they got damaged when removing the back .? Have it marked in picture Update (03/05/2021)
I have attached a picture on the one that got damaged .? It’s not the NFC one
Hi, They are the NFC antenna as well as some other antennas. If one of them got damaged you may have signalling problems, either with GSM or NFC depending on which one was damaged. Here’s the ifixit Samsung Galaxy A51 Teardown guide, see Step 3.
