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Question about Sony Ericsson K750i Cellular Phone

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SE K750i displaying 'insert sim' even though sim is inside.

My SE k750i workimg alright from last23 months and few days back its displaying 'insert sim' even though sim is inside.The sim was cleaned and inserted proprly in sim card holder and my pre paid sim is having enough currency.The same sim is working alright with other phones.Even putting new sim also shows the disply 'insert sim'pl.help me to solve the problem.

Posted by sunnys on

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1 Answer

Anonymous

This problem is due to your phone's sim card IC malfunctioning. It may get damaged due to phone dropping gently into rough surface and its crystal structure may break due to it. for any queries mail to [email protected]

Posted on Sep 18, 2007

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1 Related Answer

Anonymous

  • 89 Answers

SOURCE: SE k750i is displaying insert sim even though sim is inside.

well... seem like you phone has got locked from the network may be accidently in case of stolen better check you service provider and if they say every thing is fine try to flash your mobile .it has some perticular number to flash it try these number *#7780# (password 12345)

Posted on Sep 03, 2007

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SE k750i is displaying insert sim even though sim is inside.

well... seem like you phone has got locked from the network may be accidently in case of stolen better check you service provider and if they say every thing is fine try to flash your mobile .it has some perticular number to flash it try these number *#7780# (password 12345)
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