Warning: Do not enter any wrong unlock unlock codes on your Nec DB4100 mobile phones. If you enter over a certain amount of wrong unlock codes on your mobile phone, your phone may get hard locked and sometimes become unusable.1 - Switch ON your Nec DB4100
without any SIM Card.
2 - Compose :
#7320*CODE#.
CODE: The unique unlock code for your Nec DB4100.
Each Nec DB4100 mobile phone has an unique unlock code. You can buy the unique unlock code for your Nec DB4100 mobile phone at www.mobileunlocksolutions.com.