These Nokia codes will work on most Nokia Mobile Phones
- #pw+1234567890+3# Country Lock Status. (use the “*” button to obtain the “p,w” and “+” symbols).
- #pw+1234567890+4# SIM Card Lock Status. (use the “*” button to obtain the “p,w” Go to Top and “+” symbols).
- *#147# (vodafone) this lets you know who called you last.
- *#1471# [...]

To get Sony Ericsson Secret Menu:
-> * <- <- * <- *
(-> agency columnist joystick, arrow keys or jogdial to the adapted and <- agency left.) You’ll see buzz model, software info, IMEI, agreement info, sim lock status, REAL time clock, absolute alarm time and argument labels. You can additionally analysis your phones casework and [...]