*#7780# Restores Factory Settings (Memory, language, counters are not included)
Nokia 3110 Secret Codes
*#746025625# [*#sim0clock#] : Checks if the SIM clock can be stopped. SIM clock stop is a kind of stand-by mode which will save battery time. This code doesn't work with software version 4.59.
Nokia 3110 Secret Codes
*#3110# : Checking the phone's software (SW) - Also called "Firmware Revision Information".
Nokia 3110 Secret Codes
*#92702689# [*#war0anty#]
Nokia 3110 Secret Codes
Press the following warranty code
7332 (OK) : Displays the date of the last repair - if found ('DATE NOT SAVED'...)
9268 (OK) : Displays Serial Number
7832 (OK) : Displays (if found) the date where the phone was purchased ('DATE NOT SAVED'...)
37832 (OK) : Set the Purchasing Date MMYY
(Warning : You can only set this once.)
Nokia 3110 Secret Codes
87267 (OK) : Transfers ALL phone numbers, pictures, sounds from one phone to another
Nokia 3110 Secret Codes
6232 (OK) : Displays the Month and Year of Manufacture (0997)
This code is able to check, activate or remove SIM card restriction (SP-lock)
Use the * key to get the p, + and w chars
'Y' has to be 1,2,3 or 4 - depending of what lock you what to deal with.
Nokia 3110 Secret Codes
#pw+1234567890+1# for Provider-Lock status
#pw+1234567890+3# for Country-Lock status
#pw+1234567890+2# for Network-Lock status
#pw+1234567890+4# for SimCard-Lock status

# = DOUBLE-CROSS
W = PRESS "*" THREE TIMES
P = PRESS "*" FOUR TIMES
+ = PRESS "*" TWO TIMES
MASTERCODE = 1234567890
Y = NUMBER 1 TO 4
[Master Code] is a 10 digit code, based on the phones IMEI number.
[ No requests for the "Master Code" will be entertained. ]
Nokia 3110 Secret Codes
Eg. To remove restriction on Lock 1 type following code:
#pw+(master code)+1#
If you just want to check your phone use 10 random numbers Eg. 1234567890 as the (master code)
eg. To check if phone if restricted on lock 1 type the following code:
#pw+1234567890+1#

1: Insert sim card of different provider.
2: Turn on the phone and press the UP VOLUME key for 3 sec. then release it and the phone says PIN CODE?
3: Press the "C" key
4: Then Press * and wait until it disappears and appears again, then press * one more time and 04*PIN*PIN*PIN#
The phone should now say : PIN CODE CHANGED (or ACCEPTED) and the SIM card is accepted until you restart the phone again. NOTE: On version 5.04 Nokia has removed this option.
Fast silent mode
Nokia 3110 Secret Codes
*#06# : Checking the IMEI (International Mobile Equipment Identity)