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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > iPhone ,iPod & iPad (Apple Inc. Products) > iPhone 4 / iPhone 4S

iPhone 4 / iPhone 4S iPhone 4 / 4S

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Old 08-07-2016, 00:22   #1 (permalink)
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iPhone 4s Error 50


I have an iPhone 4s for repairs. It has the iTunes logo on it. I have tried to restore via iTunes several times but it fails around 80%-85% while updating the software update. This failure is happening while the 'Firmware in being written'.

I have read that it has to do with the Baseband IC.

My questions are:

1. Do I first try to reflow the Baseband IC and see if it works or not?

2. Do I remove the Baseband IC and reball it again and try and test?

3. Replace the Baseband IC with a new one? If so, do I need to reprogram it or just straight replace?

Many Thanks in advance,

Kind Regards,

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Old 09-05-2016, 22:48   #2 (permalink)
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It's software issue try first software

quick time
Disconnect any other sub device if connected
Restart pic
Re-install iTunes

Then try again
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Old 09-06-2016, 07:28   #3 (permalink)
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Same issue i try everything but not solve any expert here to solve my issue?
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