Question about Sony Ericsson K790a Cellular Phone

2 Answers

K790 i Software

My K790i flashes screen and does not start.
i went to a shopkeeper, the stupid person installed K800i software.
Now the phone starts, all functions work but no network coverage.

Kindly help me in this regard.
Its current software version is:
CXC 1250477
R1 KG 001
070418

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  • 3 more comments 
  • khubee Mar 12, 2008

    I switch off my k790 and changed a sim card but could not turn it on. Whonever I press the power on button a red light flashes near the infrared port.The same problem occurred whenever I inserted the data cable and my computer does recognised my phone.

  • Raviab Mar 25, 2008

    same as khusbee's...

  • d2t_cyb007
    d2t_cyb007 Oct 29, 2008

    same problem with mine...

  • Anonymous Dec 11, 2008

    I too have the same problem, even i didn't change the software

  • omer597 Mar 03, 2009

    My fone k790i often gets stuck and white screen appears.

    I went to a shopkeeper who installed k810 driver.

    Now everything is fine but there is no network coverage.

    I can only use it to hear music or to use its camera.



    please help me how can i revert back to old version.

    The new version of phone prevents the old version to be intalled.



    Someone said that low level format will help , but i do not know how to do that.

    Please help me

    My e-mail is

    omer597@yahoo.com

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- I switch off my k790 and changed a sim card but could not turn it on. Whonever I press the power on button a red light flashes near the infrared port.The same problem occurred whenever I inserted the data cable and my computer does recognised my phone.-

Posted on Dec 04, 2009

  • cakesagar Dec 04, 2009



    - I switch off my k790 and changed a sim card but could not turn it
    on. Whonever I press the power on button a red light flashes near the
    infrared port.The same problem occurred whenever I inserted the data cable and my computer does recognised my phone.-


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