How to unlock Blackberry Curve 8520 via unlock code.

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How to unlock Blackberry Curve 8520 via unlock code

Before you start, you need to order your unlock code above (see red/white flashing arrow). Once you have ordered your unlock code, follow these Step-By-Step Instructions which show you how to unlock your blackberry Blackberry Curve 8520. You can also watch the Free Blackberry 8520 unlock video that shows you this step by step guide in video format.

Insert a SIM Card into the Phone.

Power the Phone ON by holding down the End Key.

Press the Blackberry Menu Key and Select the Spanner Icon labelled either "Options" or "Settings" .

Scroll down to second option labelled "Advanced Options"

Scroll down to the bottom and Select the Option labelled "SIM Card"

Now you will see some text on screen. Enter via the Keypad "MEPD"
Do this by pressing key, key, key key.

Note: When typing over the screen you will not see anything
appear on the screen as you type.

The Phone should load a screen with the text on the display labelled "SIM Card: Security Disabled". If you see Network set to "Active" this means you have a MEP2 Network Lock on your phone. However, If you see Service Provider set to "Active" this means you have a MEP4 Service Provider Lock on your phone.

If you phone showed Network as "Active" on the previous screen then type MEP2 (note nothing will appear on screen as you type) to enter your Network MEP Code and unlock your phone.
Do this by pressing key, key, key, hold down key and press the key

If you phone showed Service Provider as "Active" on the previous screen then type MEP4 on your phone (note nothing will appear on screen as you type) to enter the Service Provider MEP Code and unlock your phone.
Do this by pressing key, key, key, hold down key and press the key

The Phone will prompt either "Enter Network MEP Code (? left) or "Enter Service Provider MEP Code (? left)..

Enter the Supplied "Network MEP 2 Unlock Code" or "Service Provider MEP 4 Unlock Code" and select Enter by pressing the Center button.

The Phone will display "Code Accepted". In case you get a "Code Error", see below.

The Phone will return to previous screen and Display all Locks as Disabled.

Note: This screenshot is not shown on all firmware versions.
If you don't see this screen - proceed to Step 13.

Power down the phone by holding down the Red End Key for 10 Seconds

Insert New Sim Card and Power Phone On by holding down the Red End Key.

Unlock Procedure Complete.

For Code Error

If you receive a Code Error" try the next Unlock code in your list. Do NOT enter any code more than once.