Question about Sony Ericsson K800i Cellular Phone

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CECT P168 phone

I have one-actually my boyfriends but he has suncom and we can;t get it to wrk but i have att and iv found out how to program it with att...but i put my sim in when we first got it and it was fine..hes had phone for 2weeks and he tells me that it says no service now...i put my card in and now it says no servi e for me too....i think he did something to lock somethin or change a setti ng..hes clueless so im wonderin if you can help-could if have been something that he did?

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  • Harley13 Mar 17, 2008

    I to got this phone,if you go the dail page and dial *#3646633# then click band setting then click 850 MHz or 850/1900 MHz to set the proper band,then go to network settings click at&t,then click add from list scroll down to at&t if the #310410 or 310380 then click,if that doesnt work go back to network settings click cingular then add from list go to cingular and the #31017 should show click that,hope this helps there very little info anywhere on these phones but I'm still looking :). Harley13

  • Rony40 May 24, 2008

    Hi there! Got this phone and I was using it in Brazil. It was working fine and suddenly it stop recognizing the Network. It says "cannot find network'. What should I do? Thanks!


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Hello, for a full user manual and the SUNCOM settings go to:

They know everything about this phone.

Posted on Feb 15, 2009

Text message wont send

Posted on Sep 15, 2008

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Posted on Apr 18, 2008

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I can't get it to change the priority or modify this list in any way. Deletes do not work. Add from list does not work. Changing priority does not work. Creating a new one does not work. Any ideas? Mine has 310410 as priority 1 and AT&T as priority 2. I am on AT&T network, so this is not so bad, but I thought I might get better reception with priorities 1 and 2 reversed.

Any thoughts?

Posted on Mar 20, 2008

User manual that this phone came with is not good. Where can i find a full manual of everything on this phone?

Posted on Mar 10, 2008

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