If the phone asks "Security code" or "Security code", it means that it is locked. Unlock Cell phone NOKIA, you can use masterkoda.
In order to generate the unlock code is required IMEI number.
After purchase you will receive masterkoda generator, as well as instructions for use.

Supported models of Nokia:
2100, 2650, 3100, 3120, 3200, 3210, 3220, 3230, 3300, 3310, 3315, 3330, 3350, 3360, 3390, 3395, 3410, 3510, 3510i, 3520, 3650, 3660, 5100, 5110, 5130, 5140, 5146, 5190, 5210, 5510, 6020, 6021, 6030, 6090, 6100, 6101, 6102, 6108, 6110, 6130, 6170, 6200, 6210, 6220, 6225, 6230,6230i, 6250, 6260, 6310, 6340, 6360, 6370, 6500, 6510, 6590, 6600, 6610, 6610i, 6620, 6650, 6660, 6670, 6800, 6810, 6820, 7110, 7160, 7190, 7200, 7210, 7210i, 7250, 7250i, 7260, 7270, 7280, 7600, 7610, 7650, 7700, 7710, 8210, 8250, 8270, 8280, 8290, 8310, 8390, 8510, 8800, 8810, 8850, 8855, 8890, 8910, 9000, 9110, 9210, 9290, 9300, 9300i, 9500, N-gage and N-gage QD

Models platform bb5 (3250, 6131, 6133, 6125, 6126, 6270, 6280, 6282, 6630, 6680, 6681, 6682, 7370, E60, E61, N70, N70, N72, N80, N90, N91, N92) in the case of
Customizing the lock code is not unblocked. Contact Service Center.