iPhone 7+ NFC broken and mic bad sound after repair dock and battery

I repaired an iphone 7+ for a customer. Replaced the battery and the dock connector.

Now the wireless charging does work. But nfc and apple pay doesn't work

I remember i broke one standoff screw that was mounted to the board that held a antenna i believe in the upper left portion. See image i marked it white. Under that screw is a screw holder from metal thats normaly mounted onto the board. That is broken from the board. Might be the problem im not sure. And if so how to fix it?

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Also the microphone is not as clear anymore when calling. Is that maybe a mis allignment of the microphones on the dock connector?


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