Question about Sony Ericsson K800i Cellular Phone

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Sony Ericsson Z 310a Unlock


I have a Sony Ericsson Z310a cell Phone and i want to unlock it so that i can use it for other service provider. I got the code to unlock the cell phone by entering IMEA #. when i am putting that code to unlock my z310a nothing happens. I'm putting the code as it shows with * and # signs. When i'm pressing send it says network error.

Can some one please guide me.


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  • 3 more comments 
  • tejbha Jan 02, 2008

    Hi Raysagem,

    Thanks for the reply.

    My IMEI No. for Sony Ericsson Z 310a(FIDO Canada), is 354670012122612. I have the software which gave me this unlock code when i put above IMEI No.

    Lock Code:


    Unlock Code:


    When i'm putting this unlock code in my phone it gives me network error.

    What should i do now??

    Please do reply,



  • tejbha Jan 03, 2008

    Hi Raysagem,

    When i start the phone without sim card its asking me insert simcard. it is not letting me put any no. from keypad without sim card.

    what should i do now??

  • tejbha Jan 06, 2008

    Hi Raysagem,

    Thanks for the comment. but the problem is my cell does not let me put any thing without sim card. How am i going to put unlock code if it does not operate? i.e. any key on keypad.

  • tejbha Jan 22, 2008


    Download cruxclac_v5 from net. just google it u'll find it.

  • maramma May 11, 2010

    my Imei number is 354670011425842 please what is my unlock code and how do i enter it



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  • 1,017 Answers

International Mobile Equipment Identification (IMEI) is the number you need to GET the unlock code for your phone:
Go to:

Posted on Jan 01, 2008

  • 3 more comments 
  • Raysagem
    Raysagem Jan 01, 2008

    Input this code to get the IMEI:

    *#06# for checking the IMEI (International Mobile Equipment Identity)

    It comes up as soon as you press the last #

  • Raysagem
    Raysagem Jan 02, 2008

    You should start the phone without a sim card, then put the unlock code in.

  • Raysagem
    Raysagem Jan 03, 2008

    The STAR key pressed once is: STAR

    The STAR key pressed twice is: +

    The STAR key pressed Thrice is: p

    The STAR key pressed four times: is w

  • Raysagem
    Raysagem Jan 03, 2008

    International Mobile Equipment Identification (IMEI) is on the phones box and under the battery.

  • Raysagem
    Raysagem Jan 06, 2008

    If your phone is locked on a network, go to a opposition network and they will unlock it. You might have to purchase some credits.



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SOURCE: Unlocking Sony Ericsson Z310a

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