How to Unlock a Sony Ericsson K510i

Written by paul lin
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The Sony Ericsson K510i is a versatile brick-style cell phone capable of surfing the Internet and taking photos, and it provides a user-friendly interface. If you want to use a Sony Ericsson K510i but the device is not under your current network, you can unlock the K510i with a few easy steps to work with your network. These steps will remove the network lock on the phone and allow you to use your own SIM card.

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Things you need

  • Unlock Code
  • IMEI number

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  1. 1

    Press *#06# on your phone to determine your EMEI number. Press your call button and a message with a 15- to 17-digit number will appear.

  2. 2

    Call your local service provider to obtain an unlock code or purchase one from a third-party provider, such one found on

  3. 3

    Turn on your Sony Ericsson K510i without putting in the SIM card.

  4. 4

    Perform the following combinations in sequence:

    1) Press the left arrow once.

    2) Press the "*" button twice.

    3) Press the left arrow again once.

    The message "Personalize with MNC2" should appear on the screen.

  5. 5

    Enter the unlock code provided. Turn off your phone and insert your SIM card. Turn on your phone and you now have unlocked the Sony Ericsson K510i.

Tips and warnings

  • An incorrectly entered unlock code will cause the phone to lock up permanently.

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