Model : VK530
 
1 - Switch the handset ON without SIM Card - screen will display Insert Card. 
2 - Compose : *#83*737# (press and hold # for 1 sec) - this will give access to the personalisation menu 
3 - Select Disable Personalisation 
4 - Type Unlock Code we send to you and press the ok button 
5 - Handset should now be unlocked