Question about Sony Ericsson W550i Cellular Phone

1 Answer

Reinstall operating system on my Sony W550i

Hi all experts,
I have this cell for about 2 years and it starts acting funky lately. I am thinking of reinstalling the OS. Does anyone know how?

ps I don't wanna take it back to the service center since they are gonna take years to repair.


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  • 11 more comments 
  • jasssi Feb 28, 2008

    after incomlete flashing when i try to switch on my w550i it behaves as it is dead

  • Anonymous Mar 07, 2008

    my inbox is empty but it displays a message showing that it is full,i have been using this phone for 2 years

  • Anonymous Mar 07, 2008

    i have been using sony ericsson w550i for 2 years

    its inbox is empty,but it shows inbox is full

    i just plugged it to the system scanned for virus,formated it

    problem still remains

    thought of reinstalling os

  • bondas Apr 13, 2008

    when i switch on my sony ericsson w500i the screen turns white and gets stuck

  • Anonymous Jun 20, 2008

    when i swith on my mobile it turns white thats it

    kindky provide the solution

  • abhi141 Jul 02, 2008

    Can I format and re-install my phone's (SE W550i) operating software at
    home ? Waiting 4 your expert openion,


  • abhi141 Jul 03, 2008

    i m using SE w550i and i want to reinstall operating software of my phone.
    i have used updation option on sony ericsson site but it doesn't work.
    please tell me how can i reinstall operating software in my phone via PC.


  • Anonymous Aug 05, 2008

    i want to reinstall software w550i

  • rajiv_624947 Sep 03, 2008

    i need to re-install the operating system of w550i

  • morphious Mar 31, 2009

    any site where i can get OS for my sony ericsson W550i? pls help me. . .

  • ingeshkumar Apr 30, 2009

    my operating software for my sony ericsson W550i is corrupted & ineed a new os software

  • Anonymous May 14, 2009

    iam also same problem of opertaing system, as screen is fully working but icons are distorted all over......

  • jayeshmhp May 11, 2010

    software flashed.


1 Answer

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You can flash the phone's firmware using the Sony Ericsson update service.

Posted on Feb 05, 2008

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oh sir ur cell nead a flashing
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2. If you're operating Windows XP or earlier use your PC suite however with Vista you might have to download Sony Ericsson's Update Service software from the Sony Ericsson website
3. Then you'll have to download: WontanClient server, open it and allow the program to update. NOTE: you must leave the login box empty
4. Plug the USB cable into the computer but not the phone
5. Press start in Wontan
6. Press 2 and 5 Simultaneously
7. Plug your phone in and hopefully the phone will to reboot
8. Take out the battery for a few minutes and now your phone is hopefully working again.


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