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这款4.7英寸iPhone于2014年9月19日发布，是iPhone 6 Plus的缩小版。

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No service on iPhone 6

Hello,

I recently bought this iPhone 6 with 64GB, the issue was that the previous owner got no service on the phone. The phone is unlocked and I've reset all settings (network etc.), I opened it up and the water sensors have not been activated so no water damage. What can it be? I've seen a solution where people take the logic board out and with soldering iron solder a part of it. What is this process?

I've also checked the little fuzzy part of the connector inside of the phone (located at the top middle, and it seems intact.

It detects the sim card but I just get No service or Searching...

Has anyone gotten a solution with this?

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You could try replacing the Lightning dock

iPhone 6 Lightning 接口组更换

iPhone 6 Lightning Connector and Headphone Jack

After that, I would guess the Qualcomm WTR1625L RF Transceiver. Which requires microsoldering, which isn't for beginners. I hear iPad Rehab does good work

iPhone 6 Lightning Connector and Headphone Jack图片

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iPhone 6 Lightning Connector and Headphone Jack

$19.99

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Thank you for this tip, but why does this work?

由完成的

Hi!

I hope you're doing good and having a nice w-e !

I recently changed the screen and the battery of my Iphone 6. Everything was working just fine for a week until yesterday. I can neither receiver / send SMS, nor access 3G/4G.

J'ai démonté et remonté l'écran et la batterie

* I disassembled and reassembled the screen, the battery and the coax connexion


* I restored the phone and the carrier parameters


* The IMEI is still running 


* The SIM card works on other phones


* I downloaded the last IOS and Itunes version 


What should I do ?

Could it be a motherboard issue or a welding issue ?

Would it be worth trying to replace the lightening dock ?

Thanks in advance for your help !

Margaux

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It's most likely the Baseband chip. There is a design flaw where two connections for the baseband chip get damaged and the chip no longer connects. The baseband is responsible for service on the device.

Some symptoms for the baseband chip connection being faulty is greyed out wifi, saying anything other than "no sim" when there is no sim in the device, and also if you type *#06# and your imei doesnt show up you definitely have baseband chip issue.

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