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Q: SIM not working in 2nd hand 3GS, but does in original iPhone

I have an old 3GS 16GB that was dropped too many times or the battery has just failed (expanded/cracked back plate). It had Version 6.1.6.(10B500)  It had been backed up to iCloud immediately before I tried the SIM swap.

The 3GS was all I needed, not being  big user of apps, games or internet; when it refused to work unless attached to my Macbook Pro or plugged into charger, it was time for a replacement.  A colleague offered his old 3GS for next to nothing and so  I downloaded the backup and plugged in the SIM - but it shows No Service most of the time. It has showed a signal briefly, which I wondered might be due to poor signal reception.  But the SIM works in my oldest Sony Ericsson K580i as well as the earlier 3GS. Does this mean a faulty connection within the newer iPhone and can this be repaired? Its run on a  Vodaphone PrePay SIM.

iPhone 3GS, iOS 6.1.6

Posted on Oct 20, 2015 9:37 PM

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Q: SIM not working in 2nd hand 3GS, but does in original iPhone

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