How to Enter Unlock Codes on BlackBerry mobile phone?

For all type BlackBerry phone (do not work with T-Mobile) 1. Go to the menu, then Settings Menu -> Select Advanced options => and then Sim card. 2. While holding down the SHIFT key, type MEPD or (MEPPD combines for Vodafone) 3. You should now see the five categories listed lock. 4. While holding down the SHIFT key, type MEP2 or (MEPP2 handsets for Vodafone) 5. Release the Shift key. 6