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Q: what can i do if my phone could not detect sim card in the process of upgrading, even i-tune software is writing no sim card insta ... what can i do if my phone could not detect sim card in the process of upgrading, even i-tune software is writing no sim card installed more
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Helpful answers
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Aug 15, 2013 4:29 PM in response to Eazy2211by iAmBehin,Try this article: http://support.apple.com/kb/TS4148
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Aug 15, 2013 4:31 PM in response to Eazy2211by ckuan,99% of the time means your iPhone was hacked/jailbroken to use a different carrier. You need the SIM from the original carrier.