Below is the secret code that I found out on the net. Try it at your own risk.

Siemens Mobile Secret Codes:

C25:

SP unlock *#0003*(secret code 8 digits)#

*#0606# shows you Secret Code, but only without SIM Card.

*#06# for checking the IMEI (International Mobile Equipment Identity)

Resets language to automatic selection : * # 0000 # then Green button

Pin Out (electrical connections)

1- GND
2- SB
3- POWER
4- NC
5- TX
6- RX
7- CLOCK
8- DATA
9- GND MIC
10- HF MIC
11- AUDIO
12- GND AUDIO


Languages:

*#0000#+green phone - choose automaticaly
*#0001#+green phone - English
*#0030#+green phone - Greek
*#0031#+green phone - Netherlands
*#0032#+green phone - French
*#0034#+green phone - Spanish
*#0039#+green phone - Italian
*#0049#+green phone - German
*#0090#+green phone - Turkish

How to change PIN:

**04*old PIN*new PIN*new PIN#

How to check simlock status

*#0606# and then press left soft-key, you will see strange characters, then text ("brak blokad"). If you see for example 260-02, it means the phone is locked to Era GSM. In older models you can use *#06# and see the same information after clicking on left key (you will see IMEI and software version).

S4:

Monitor Mode - how to activate:

Press left soft-key, then 9 (SET UP) 8 (Phone Status). You will see IMEI number, then press left soft-key and in order 7684666 and red phone at the end (monitor mode has been activated). To read information from Monitor Mode - press left soft-key, then 5 (GSM SERVICE) and 6 (Monitor). Monitor mode turns off when you switch off the phone. You must activate it again if you want.

How to see date of software:

Press left soft-key, then 9 (SET UP) 8 (Phone status). You will see IMEI number, then press twice left soft-key, 98, left soft-key, 7684666, red phone (activates Monitor Mode), left soft-key, 56 (turns on Monitor Mode), left soft-key, 98, left soft-key, 7684666, hang up (red phone) >abck to "normal" and then left soft-key, 56.

S6, S8:

If you add to phonebook under 'own phone number' +12022243121 with namez (for example MMI), then you will see something smile.gif

S10, E10:

In phonebook enter +12022243121 as your own phone no. You will see a picture with sun, two palms and greetings.

S15e:

Monitor Mode:

Code: *#7436267*8378# (*#SIEMENS*TEST#)
Hold red phone button until it code disapears.
Menu 3.3.4 Choose frequency.
Menu 3.3.4.1 Automaticaly.
Menu 3.3.4.2 Choose GSM-900
Menu 3.3.4.3 Choose GSM-1800

Menu 10.1 MS info
Menu 10.2 Soft date
Menu 10.2.1 Software version.
Menu 10.2.2 EEProm version.
Menu 10.3 Tst and product info.
Menu 10.3.1 Handware data.
Menu 10.3.2 Date of manufacture
Menu 10.3.3 Service date
Menu 10.3.4 Date of repair.


S25:

Enhanced Full Rate
*#3370# turns on
#3370# turns off

Haft Rate Mode
*#4720# turns on
#4720# turns off.

Languages:

*#0000#+green phone - choose automaticaly
*#0001#+green phone - English
*#0030#+green phone - Greek
*#0031#+green phone - Netherlands
*#0032#+green phone - French
*#0034#+green phone - Spanish
*#0039#+green phone - Italian
*#0049#+green phone - German
*#0090#+green phone - Turkish

How to change PIN2?

**04*old PIN2*new PIN2*new PIN2#

What is my software version?

Menu 8-8-2 press left-softkey when you see IMEI number, or *#06# and then green phone button and then press left soft-key.

How to extend battery life:

IrDA - turn on only when you need.
Turn off automatic network search (6-3)Turn off Vibration alarm.

SP unlock *#0003*(secret code 8 digits)#

*#0606# shows you Secret Code, but only without SIM Card.

*#06# for checking the IMEI (International Mobile Equipment Identity)

Resets language to automatic selection : * # 0000 # then Green button



S25, M35, S35, C35:

SP unlock *#0003*(secret code 8 digits)#

*#0606# shows you Secret Code, but only without SIM Card.

*#06# for checking the IMEI (International Mobile Equipment Identity)

Resets language to automatic selection : * # 0000 # then Green button


Secret Codes Of Nokia Mobiles:

Secret codes of nokia mobile phones which are very useful for people who unlock phones and for amateurs of this topic. These special key sequences entered from keyboard of phone allow you to get some important information like IMEI number, release date, software version and much more. You can also choose default language, activate netmonitor ect.


1610/1630

*#170602112302# (software version)

1610/1611

IMEI number: -*# 0 6 #
Software version: -* # 1 7 0 6 0 2 1 1 2 3 9 2 #
Simlock status: - # 9 2 7 0 2 6 8 9 #


2110

*#9999# (software version)

2110i/2110e

*#170602112302# or (depends on model)*#682371158412125# (software version)


NOKIA3110

*#06# -IMEI

*#3110# -Software version

##002# - allows to turn off voice mail.

*#7780# - restore factory settings

*#746025625#(or *#sim0clock#) - to check if clock of sim (SIM-Clock) can be stopped (SIM-Clock-stop is akind of standby mode which saces battery)

*#92702689# (or *#war0anty#) (replace another "R" with number 0) -"warranty code:"- you have to enter one of the following codes:

6232 (OK)displays month and year of production date (ie "0198")

7332 (OK) - displays date of last repair - if there is (ie. "DATE NOT SAVED")

7832 (OK) - displays date of purchase - if there is (ie. "DATE NOT SAVED")

9268 (OK) -displays serial number

37832 (OK) -sets purchase date in format MMYY (MM - month, YY - year)- attention: you can set it only once, so beware !

87267 (OK)-displays message "Confirm Transfer?" - meaning is unknown (?)

* # 9 2 7 0 2 6 8 9 # -Simlock info

*#31# (call) -sets if your phone no. will be hidden or not (works only in some networks)

*#76# (call) -sets if target phone number when you call should be displayed (works only in some networks)

*#77# (call) -(work s only in some networks)

*#33/35# (call -displays message "Service not active".

**31# (call) -your no. will not be showed to others when you make a call


3210


*#06# -IMEI

*#0000# -software version

*#92702689# (or *#war0anty#)- enters service mode.

*3370# -Turns on sound encoding system - Enhanced Full Rate.


#3370# -Turns off sound encoding system Enhanced Full Rate .

*4720# -Turns on battery save mode - saves about 30 % of energy.

#4720# -Turns off battery save mode.

xx# -Replace xx with desired phonebook entry - press # and you will see it on display.


51XX


*#06# -IMEI

*#0000# - Software version

*#92702689#( or *#war0anty#) Enter service mode.

*3370# -Turns on sound encoding system - Enhanced Full Rate.

#3370# -Turns off sound encoding system - Enhanced Full Rate.

*4720# -Turns on battery save mode - saves about 30 % of energy.

#4720# -Turns off battery save mode.

#pw+1234567890+1 -provider lock status

#pw+1234567890+2 -Network lock status

#pw+1234567890+3 -Provider lock status

#pw+1234567890+4 - SimCard lock status


NOKIA 61XX


*#06# -IMEI

*#0000# ;-*#99 99# (Nokia 6130)


*#92702689# (or *#war0anty#) Software versionEnter service mode.

*3370# -Turns on sound encoding system - Enhanced Full Rate.

#3370# -Turns off sound encoding system - Enhanced Full Rate.

*4720# -Turns on battery save mode - saves about 30 % of energy.

#4720# -Turns off battery save mode.


NOKIA8810


*#06# - IMEI

*#0000# -Software version

*#92702689# (or *#war0anty#) Enter service mode.

*3370# -Turns on sound encoding system - Enhanced Full Rate.

#3370# -Turns off sound encoding system - Enhanced Full Rate.

*4720# -Turns on battery save mode - saves about 30 % of energy

#4720# -Turns off battery save mode - saves about 30 % of energy



NOKIA99OO


*#06# -IMEI

*#682371158412125# -Software version

*#3283# -Displays week and year of manufacture, ie. 1497 means 14th week of 1997.



NOKIA 911O


*#06# IMEI


*#0000# SOFTWARE VERSION

*3370# Turns on sound encoding system - Enhanced Full Rate.

#3370# Turns off sound encoding system - Enhanced Full Rate.

*4720# Turns on battery save mode - saves about 30 % of energy.

#4720# Turns off battery save mode.



NOKIA 81XX


*#06# IMEI
*#8110# Software version
xx# Replace xx with desired phonebook entry - press # and you will see it on display

*#92702689# (or *#warOanty#)

"Warranty code:" - you have to enter one of the following codes:

9268 (OK) displays IMEI (International Mobile Equipment Identification)

6232 (OK) displays date of manufacture in format MMYY (MM - month, RR - year)


7832 (OK) displays date of purchase

7332 (OK) displays date of repair or upgrade

37832 (OK) sets date of purchase in format MMYY (MM - month, RR - year) - attention: you can set it only once, so beware !!!

87267 (OK) transmits user data/move data do service PC


Motorola Codes:

Motorola 920:

Press menu and type one of these numbers and press OK:

11 = Status Review
13 = Available Networks
14 = Preferred Networks
22 = Select Keypad Tones
25 = Require SIM Card PIN
26 = Language Selection
32 = Repetitive Timer
33 = Single Alert Timer
34 = Set IN-Call Display
35 = Show Call Timers
36 = Show Call Charges
37 = Call Charge Settings
38 = Reset All Timers
43 = Reset All Timers
45 = Show Last Call
46 = Total For All Calls
47 = Lifetime Timer
51 = Change Unlock Code
52 = Master Reset
53 = Master Clear (Warning!! May result in deleting the Message Editor!!!)
54 = New Security Code
55 = Automatic Lock
63 = Battery Saving Mode


Motorola 930:

Press menu and type one of these numbers and press OK:

11 = Status Review
13 = Available Networks
14 = Preferred Networks
22 = Select Keypad Tones
25 = Require SIM Card PIN
26 = Language Selection
32 = Repetitive Timer
33 = Single Alert Timer
34 = Set IN-Call Display
35 = Show Call Timers
36 = Show Call Charges
37 = Call Charge Settings
38 = Reset All Timers
43 = Reset All Timers
45 = Show Last Call
46 = Total For All Calls
47 = Lifetime Timer
51 = Change Unlock Code
52 = Master Reset
53 = Master Clear (Warning!! May result in deleting the Message Editor!!!)
54 = New Security Code
55 = Automatic Lock
63 = Battery Saving Mode


Ericsson Mobile Secret Codes:

T10:

*#06# for checking the IMEI (International Mobile Equipment Identity)

>*<<*<* for checking the firmware revision information (software release)

>*<<*<*>> n-row text strings. if pressing yes you can check the phones text programming in currently selected language.

Shortcut for Last Dialed call menu

If you for some reason don't want to enter the 'Last Dialed calls menu' by using the 'YES' key you can use the following key
stroke instead: First '0' then '#'.

Access menu without Sim card

To access to the menu in your phone without having a card inside do the following: type **04*0000*0000*0000# When display say "Wrong Pin" press NO and you have access to the all menus: Info, Access, Settings, Calculator, Clock, Keylock On?, Mail, Phone book. NOTE if you try this on your phone may stop at Keylock On? menu and you´ll have to take your battery out to turn the phone on again. And this will not care about Phone lock!


Message Report

When you writing a message, place at the start of it the code *0# and continue with your message. It's job is like Nokia's report. It gives you information about the send message.