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Wifi stops working when putting bottom 2 screws in Front bracket

So a weird issue. Last night I replaced the battery on the Iphone 6. Everything was working fine after reassembly and today the Wifi was not working it was grayed out. I did a network reset and nothing. Opened it up and have noticed that without the front bracket on top of the screen connections the wifi works, and if I just put the middle screw in and the left screw on it it still works, however when I put the two bottom screws the wifi stops working(top right screw got lost).

Any help would be appreciated.

Thanks

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Опубликовано: 20 мар 2018 г.

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I would closely inspect the inside of the standoffs (where the screw goes in). It is possible you may have damaged the logic board by putting in the wrong screw (or this happened under a previous repair). The inside of the hole should be black, minus some blue thread locker which sometimes accumulates or some metal shavings from the screw/bolt. If you can see some scratches on the bottom (which is the top surface of the pcb) then you may have some long-screw damage. The bottom right standoff covers some traces which go to the Baseband IC so this could be the problem.

Otherwise, look carefully to see if there isn't something physically obstructing or catching with surrounding components.

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iPhone 6

Wifi stops working when putting bottom 2 screws in Front bracket

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