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How to Unlock Sony Ericsson Vivaz Pro U8a

CellUnlocker How Tos
By Cellunlockernet8:19 pm June 10, 2010

This is guide on how to unlock your Sony Ericsson Vivaz Pro U8ato any GSM network.

Phones will often come locked to a certain carrier or network so you cannot switch SIM cards using the same phone.

You can unlock

At&t Sony Ericssonz Vivaz Pro U8a

Fido Sony Ericsson Vivaz Pro U8a

Rogers Sony Ericsson Vivaz Pro U8a

and all other carriers.

In order to unlock your mobile phone to any GSM network you will require a remote unlock code.

How to get an unlock code for Sony Ericsson Vivaz Pro

Do a code look up to find out if your IMEI number is found.  We can 99% percent of the time help you free your phone.

You can get the unlock code from HERE

In order to unlock your phone, we require your IMEI number.  You can find this by pressing *#06# on your phone as if you are making phone call.

Your IMEI number is always 15-17 digits long.

Customer Unlocking Example of the Sony Vivaz Pro

Once you receive your Unlock Code from us by email, simply follow the instructions below and your phone will be free to use on any GSM network.

Sony Ericsson Vivaz Pro Unlocking Instructions

1 – Switch ON your phone with a non accepted simcard
2 – Phone will prompt your to enter “Sim Network Pin” or “Enter Unlock code”
3- Enter the Unlock code we sent you and thats it!

*Warning: These phones may have a counter as to how many times you may attempt to enter the code, if you don’t have any tries left, the unlock code will NOT WORK


  1. guenther

    how can i check if the mobile is already hardlocked?

    • admin Staff

      As if making call access the service menu > Simlock > by pressing:


      • Phuong Han


        I enter the code you provided (*#*#7378423#*#*) to verify if my vivaz pro phone is hardlocked but the phone doesn’t seems to recognize that. Could you please provide detailed steps


  2. Efra Martinez

    Hello, I have a Vivaz pro U8 that was brought from Canada, I need to unlock it to use it in El Salvador. Can you please advise if the code will work??? I was about to place the order to have the code but I need to make sure about this first
    Thank you so much

    • admin Staff

      Please place your order online and the unlock code will be emailed to you once it is finished processing for your Nokia phone

  3. karolis

    and what if code doesn’t work? Will i get a refund? I haven’t tried to enter a code so have many tries left. But in Lathuania, i gave phone to service and they couldn’t unlock. They said that baseband is too new. So can i expect refund if code doesn’t work?

    • admin Staff

      We Guarantee 100% to unlock it or your money back, but you must make sure its not hardlocked

  4. pls send me my unlock code,,,,,,,u8a vivas pro

    • admin Staff

      Please place your order online, once it is ready we will email you the unlock code.

  5. hello i can,t find my sony ericsson u8a model. i want to unlock my sony erisson u8a .but there is no way to unlock u8a .in your website . please show me a way to unlock sony ericsson u8a . thanks

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