Nokia codes (works on my 3310)
| *#war0anty# | Warranty details |
| *3370# | Better sound, drains battery |
| #3370# | Deactivates above |
| *#0000# | Software version |
| *#06# | IMEI number |
| *#sim0clock# | Allow simclock stoppage |
| *3001#12345# | Enables field test mode, other options |
| *#92702689# | System menu |
BPL Mobile Call Divert options
| **67*700# | If number is busy |
| **62*700# | If number is unreachable |
| **61*700nn# | If no reply for nn seconds |
| **21*700# | All calls |
| ##002# | Cancel all call diverts |