5세대 iPhone. 수리는 간단하며 스크루드라이버, 비집는 도구 그리고 인내가 필요합니다. GSM/CDMA / 16, 32, 또는 64 GB / 검정색 또는 흰색.

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still no reception - cellular antenna

Hello

First of all, sorry for my english.

2 weeks ago, i had a problem with my microphone, so i replace it. Just after that, my problems begans. I have very bad reception (GSM). I have changed 2 times cellular antenna but the problems is not resolved. i also cleaned contact with isopropilyc alcohol, but nothing changed.

Does anyone knows where is my problems?

Regards.

Jeff

답변되었습니다! View the answer 저도 같은 문제를 겪고 있습니다

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US$100 이상 또는 Pro Tech Toolkit을 포함한 모든 주문의 배송은 무료입니다!

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Check the top screw on the logic board and the contact of the logic board underneath the screw. This is another antenna for cell reception. Usually they don't break at the same time.

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Hello

can you tell me wich screw is concerned exactly with this picture ?

http://www.brico-phone.com/content/produ...

regards

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First off never heard of the top screw giving bad service in a 4s even with this screw out your service would be grand.. I could b wrong tho

The screw he's talking about is the top orange one

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The top screw press the logic board into the housing, ensuring top antenna connection. Usually the primary antenna is connected next to the battery but this secondary one can solve some issues as well. Especially when the bottom one is broken.

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Never knew that good til know :)

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