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

2996 질문 전체 보기

signal searching, no services

iPhone 4s, although nano sim card is inserted, device shows no signal icon (no dots) and no provider name, saying 'no services'.

I tried to replace sim card with another one but I gave the same problem.

So I'm not able neither to call/receive calls nor to use 3G services.

This is never been opened.

What do you think?

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I see on the upper left corner always "searching"

의 답변

I have doubts because user says sometimes signal returns, it could be bad contact?

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I opened iPhone and I plugged in antenna cable but nothing!

I noted if I remove and reinsert sim card in 'settings' menu appears 'carrier' entry and if I disable 'network manually choose' I can see network provider. If I choose one of them I see always 'searching'.

When I reboot iphone 'carrier' entry disappears again so I have to remove sim card and insert it again.

ideas?!

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Could be a bad sim reader. The contacts in the reader are pretty delicate and can easily bend or break. If that is the problem, it would need a new sim reader soldered in by someone with experience in that kind of repair.

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I verified sim card is visible because I see in menu ICCID number and there is no message about "sim not inserted". "Carrier" field has value as 'Carrier 20.0'

I cannot see menu "hotspot" and "carrier".

Do you think always the same thing?

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your last comment may mean that the problem is the antenna cable not fixed well,

의 답변

I read problem could be blue inductor coil but before I'd like to verify if there is problem on antenna cable as you suggested. How can I verify antenna cable works fine? I only can see if it's plugged.

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