Sony Ericsson K800i Cellular Phone Logo

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Posted on Nov 28, 2007

Inactive sim brought this phone weekend off friend and have been using it with my o2 pay & go sim since saturday, this morning when turned phoned on it said inactive sim, i put chip in old phone and it worked and put a different sim in k800i and still said inactive sim, i've tried many things please help!!!!!!!

  • 3 more comments 
  • saven_angel Dec 28, 2007

    yes my sim card dosent work and please correct sim card

  • Anonymous Jan 05, 2008

    bought the K800i few months back an has been working perfectly, we decided to try a software update on the phone and ever since then its been saying inactive sim... any ideas??

  • Anonymous Jun 03, 2008

    yes i have the same problem, I bought the phone off a friend and the applications didnt work, sombody sugguested a software update, and after I updated the phone, it just said inactive sim. please advise.

  • Anonymous Jun 05, 2008

    sim inactive

  • Anonymous Mar 22, 2014

    How can I disable timer that turns phone off if inactive for a certain time?

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Anonymous

I have the same problem since I got O2 to block my phone when i lost it. Now it's found it says "Inactive SIM", even though the SIM works in other phones.

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  • Posted on Oct 23, 2008
Anonymous
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I have the same problem.
my k800i is saying inactive sim, and no matter what sim i put in it it says the same thing, even tho my sim work in other phone

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