Released on September 19, 2014, this 4.7" screen iPhone is the smaller version of the iPhone 6 Plus. Identifiable by the model numbers A1549, A1586, and A1589.

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No service (GSM signal: 3G/4G and SMS but wifi works fine)

Hi !

I hope you’re all doing good :)

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 !


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2 Answers

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Is the IMEI showing also when dialing *#06# or just in the phone info ? If it does it shouldn’t be the baseband IC issue many iPhone 6 show when the logic board was flexed or badly hit. If you get IMEI when dialing it might be worth trying replacing the dock to not let anything untried, but it might nonetheless be a logic board issue

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Try replacing the charging port flex otherwise cellular data is turn off.

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