Mobile

Mobile Secret Codes

 

Nokia Secret Codes

On the main screen type

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

*#7780# reset to factory settings.

*#67705646# This will clear the LCD display(operator logo).

*#0000# To view software version.

*#2820# Bluetooth device address.

*#746025625# Sim clock allowed status.

*#62209526# - Display the MAC address of the WLAN adapter. This is available only in the newer devices that supports WLAN like N80

#pw+1234567890+1# Shows if sim have restrictions.

*#92702689# - takes you to a secret menu where you may find some of the information below:

1. Displays Serial Number.

2. Displays the Month and Year of Manufacture

3. Displays (if there) the date where the phone was purchased (MMYY)

4. Displays the date of the last repair - if found (0000)

5. Shows life timer of phone (time passes since last start)

*#3370# - Enhanced Full Rate Codec (EFR) activation. Increase signal strength, better signal reception. It also help if u want to use GPRS and the service is not responding or too slow. Phone battery will drain faster though.

*#3370* - (EFR) deactivation. Phone will automatically restart. Increase battery life by 30% because Phone receives less signal from network.

*#4720# - Half Rate Codec activation.

*#4720* - Half Rate Codec deactivation. The phone will automatically restart

If you forgot wallet code for Nokia S60 phone, use this code reset: *#7370925538#

Note, your data in the wallet will be erased. Phone will ask you the lock code. Default lock code is: 12345

Press *#3925538# to delete the contents and code of wallet.

*#7328748263373738# resets security code.

Default security code is 12345

Unlock service provider: Insert sim, turn phone on and press vol up(arrow keys) for 3 seconds, should say pin code. Press C, then press * message should flash, press * again and 04*pin*pin*pin#

Change closed caller group (settings >security settings>user groups) to 00000 and your phone will sound the message tone when you are near a radar speed trap. Setting it to 500 will cause your phone 2 set off security alarms at shop exits, gr8 for practical jokes! (Works with some of the Nokia phones.)

Press and hold "0" on the main screen to open Web browser.

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GSM Secret Codes

Common Network Codes

Type *#61# and press call - Check redirection status.

Cancel all redirections: ##002#

*43# to activate call waiting, to deactivate #43#.

If your phone doesn't have incoming call barring and outgoing call barring, you can try this.

For outgoing call barring dial *33*barcode*# and pres OK. To deactivate it dial #33#barcode*#.

On any phone on any network type in **43# to enable conference calls. You can make up to 7 calls at once

If you need to block SMS reception (if you are spammed by someone) just press this code:

*35*xxxx*16#

xxxx is your Call Barring code (default is 0000).

To remove this barring type:

#35*xxxx#

If you want to hide/show your phone number when calling, put one of these codes below in front of the number that you are going to call.

(*#30# / *#31# or *31# / #31# ) Works on some networks.

Typing *0# or *nm# on the beginning of a txt message gives you detailed delivery report on some networks.. But turn off reports in message settings before.

When the sim card-pin blocked type **042*pin2 old*newpin2*newpin2*

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Vodafone Secret Codes

To send an sms to a fax machine (vodafone) put 9741 then the fax no then send. You'll get a confirmation text about 5 mins later.

If you key *#104# and press call you will get a number beginning with 44 replace that 44 with 0 then dial the rest of that number into any phone - it's a direct line to your voicemail you can even divert calls to it.

Get through to customer services free by dialling 1611.

For Vodafone UK users, if you press *#105# then call you can check the status of when your account was last updated.

To know where the nearest transmitter in your area, press *#102# and call.If not works try *#105# (Vodafone).

Type *#147# to display the last number that called with the time and date of the call aswell when phone was on/off..

On portuguese Vodafone call 1799 to receive a message with your credit balance, call *#100# to the same thing call *#102# to see your last call

*#103# gives you the time and date

Vodafone, quick scratch card top-up, type *#1345*topupcardnumber# and you will see your new balance on your display! If you press *#1345# you can see your balance on screen.

Type *#31# / *#30# / or *#102# to get the price duration and number of your last call.

Cell broadcast: 050 to display local area code and postcode.

Free voice mailing! Call 70612 and enter your phone number and voice mail password.

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Airtel Secret Codes

Dial *123# to see your credit balance. Dial *110# and follow the options.

Dial *109*9898631902# to display the call cost after each call.

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Sony Ericsson Secret Codes

Sony Ericsson Secret Menu: -> * <- <- * <- *

(-> means press joystick, arrow keys or jog dial to the right and <- means left.)

You'll see phone model, software info, IMEI, configuration info, sim lock status, REAL time clock, total call time and text labels.

You can also test your phones services and hardware from this menu (main display, camera, LED/illumination, Flash LED, keyboard, earphone, speaker, microphone, radio and vibrator tests)

IMEI Number: *#06#

Lock status: <- * * <-

Shortcut to last dialed numbers: 0#

Shortcut to sim numbers: On main menu type a number and press #

If you change the language from default to any other language, then it may be difficult to switch to default language. The shortcut is very simple. Just press < 0000 > . < stands for left arrow button or joystick and > stands for right arrow button or joystick.

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Motorola Secret Codes

IMEI number:

*#06#

Code to lock keys. Press together *7

Note: [] (pause) means the * key held in until box appears.

Select phone line - (use this to write things below the provider name):

[] [] [] 0 0 8 [] 1 []

Add phonebook to main menu:

[] [] [] 1 0 5 [] 1 []

Add messages to main menu:

[] [] [] 1 0 7 [] 1 []

Copy SIM memory (phonebook menu):

[] [] [] 1 0 8 [] 1 []

Eng Field options (main menu):

[] [] [] 1 1 3 [] 1 []

Slow (Frequency of search menu):

[] [] [] 1 0 1 [] 1 []

Medium (Frequency of search menu):

[] [] [] 1 0 2 [] 1 []

Fast (Frequency of search menu):

[] [] [] 1 0 3 [] 1 []

Enable EFR:

[] [] [] 1 1 9 [] 1 []

Function :

[] [] [] # # # [] 1 []

Change pin:

[] [] [] 0 0 4 [] 1 []

Unblocking using the "puk" number:

[] [] [] 0 0 5 [] 1 []

There are lots of similar codes exist. If you change the last number to 0 you can deactive that code. The 3 digit number at the middle are from 0 to 999. I put the most interesting codes. (EFR):Enhanced Full Rate Codec.

You can change GSM frequencies to 900/1800 by entering the enginnering model. Following the below steps:

enter menu and press 048263* quickly, then you will enter the secret engineering menu

under "Opcode"

input 10*0*3 for GSM 900

10*0*4 for GSM 1800

10*0*5 for GSM 1900

10*0*6 for dual band GSM 900/1800

10*0*7 for dual band GSM 850/1900

To add extra message space 4 your Motorola C350 C450 C550 or C650, press menu button, press 048263* quickly, then on the popup menu enter 47 press ok press 50 and ok press 1 ok press 64 ok press 1 ok press 186 and ok. You will receive an extra 50 message memory space. Switch phone off and back on.(not tested)

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Samsung Secret Codes

Software version: *#9999#

IMEI number: *#06#

Serial number: *#0001#

Battery status- Memory capacity : *#9998*246#

Debug screen: *#9998*324# - *#8999*324#

LCD kontrast: *#9998*523#

Vibration test: *#9998*842# - *#8999*842#

Alarm beeper - Ringtone test : *#9998*289# - *#8999*289#

Smiley: *#9125#

Software version: *#0837#

Display contrast: *#0523# - *#8999*523#

Battery info: *#0228# or *#8999*228#

Display storage capacity: *#8999*636#

Display SIM card information: *#8999*778#

Show date and alarm clock: *#8999*782#

The display during warning: *#8999*786#

Samsung hardware version: *#8999*837#

Show network information: *#8999*638#

Display received channel number and received intensity: *#8999*9266#

*#1111# S/W Version

*#1234# Firmware Version

*#2222# H/W Version

*#8999*8376263# All Versions Together

*#8999*8378# Test Menu

*#4777*8665# GPSR Tool

*#8999*523# LCD Brightness

*#8999*377# Error LOG Menu

*#8999*327# EEP Menu

*#8999*667# Debug Mode

*#92782# PhoneModel (Wap)

#*5737425# JAVA Mode

*#2255# Call List

*#232337# Bluetooth MAC Adress

*#5282837# Java Version

#*4773# Incremental Redundancy

#*7785# Reset wakeup & RTK timer cariables/variables

#*7200# Tone Generator Mute

#*3888# BLUETOOTH Test mode

#*7828# Task screen

#*#8377466# S/W Version & H/W Version

#*2562# Restarts Phone

#*2565# No Blocking? General Defense.

#*3353# General Defense, Code Erased.

#*3837# Phone Hangs on White screen.

#*3849# Restarts Phone

#*7337# Restarts Phone (Resets Wap Settings)

#*2886# AutoAnswer ON/OFF

#*7288# GPRS Detached/Attached

#*7287# GPRS Attached

#*7666# White Screen

#*7693# Sleep Deactivate/Activate

#*2286# Databattery

#*2527# GPRS switching set to (Class 4, 8, 9, 10)

#*2679# Copycat feature Activa/Deactivate

#*3940# External looptest 9600 bps

#*4263# Handsfree mode Activate/Deactivate

#*2558# Time ON

#*3941# External looptest 115200 bps

#*5176# L1 Sleep

#*7462# SIM Phase

#*7983# Voltage/Freq

#*7986# Voltage

#*8466# Old Time

#*2255# Call Failed

#*5376# DELETE ALL SMS!!!!

#*6837# Official Software Version: (0003000016000702)

#*2337# Permanent Registration Beep

#*2474# Charging Duration

#*2834# Audio Path (Handsfree)

#*3270# DCS Support Activate/Deactivate

#*3282# Data Activate/Deactivate

#*3476# EGSM Activate/Deactivate

#*3676# FORMAT FLASH VOLUME!!!

#*4760# GSM Activate/Deactivate

#*4864# White Screen

#*7326# Accessory

#*7683# Sleep variable

#*3797# Blinks 3D030300 in RED

#*7372# Resetting the time to DPB variables

#*3273# EGPRS multislot (Class 4, 8, 9, 10)

#*7722# RLC bitmap compression Activate/Deactivate

#*2351# Blinks 1347E201 in RED

#*2775# Switch to 2 inner speaker

#*7878# FirstStartup (0=NO, 1=YES)

#*3838# Blinks 3D030300 in RED

#*2077# GPRS Switch

#*2027# GPRS Switch

#*0227# GPRS Switch

#*0277# GPRS Switch

#*22671# AMR REC START

#*22672# Stop AMR REC (File name: /a/multimedia/sounds/voice list/ENGMODE.amr)

#*22673# Pause REC

#*22674# Resume REC

#*22675# AMR Playback

#*22676# AMR Stop Play

#*22677# Pause Play

#*22678# Resume Play

#*77261# PCM Rec Req

#*77262# Stop PCM Rec

#*77263# PCM Playback

#*77264# PCM Stop Play

#*22679# AMR Get Time

*#8999*364# Watchdog ON/OFF

*#8999*427# WATCHDOG signal route setup

*2767*3855# = Full Reset (Caution every stored data will be deleted.)

*2767*2878# = Custom Reset

*2767*927# = Wap Reset

*2767*226372# = Camera Reset (deletes photos)

*2767*688# Reset Mobile TV

#7263867# = RAM Dump (On or Off)

*2767*49927# = Germany WAP Settings

*2767*44927# = UK WAP Settings

*2767*31927# = Netherlands WAP Settings

*2767*420927# = Czech WAP Settings

*2767*43927# = Austria WAP Settings

*2767*39927# = Italy WAP Settings

*2767*33927# = France WAP Settings

*2767*351927# = Portugal WAP Settings

*2767*34927# = Spain WAP Settings

*2767*46927# = Sweden WAP Settings

*2767*380927# = Ukraine WAP Settings

*2767*7927# = Russia WAP Settings

*2767*30927# = GREECE WAP Settings

*2767*73738927# = WAP Settings Reset

*2767*49667# = Germany MMS Settings

*2767*44667# = UK MMS Settings

*2767*31667# = Netherlands MMS Settings

*2767*420667# = Czech MMS Settings

*2767*43667# = Austria MMS Settings

*2767*39667# = Italy MMS Settings

*2767*33667# = France MMS Settings

*2767*351667# = Portugal MMS Settings

*2767*34667# = Spain MMS Settings

*2767*46667# = Sweden MMS Settings

*2767*380667# = Ukraine MMS Settings

*2767*7667#. = Russia MMS Settings

*2767*30667# = GREECE MMS Settings

 *#7465625# = Check the phone lock status

 *7465625*638*Code# = Enables Network lock

 #7465625*638*Code# = Disables Network lock

 *7465625*782*Code# = Enables Subset lock

 #7465625*782*Code# = Disables Subset lock

 *7465625*77*Code# = Enables SP lock

 #7465625*77*Code# = Disables SP lock

 *7465625*27*Code# = Enables CP lock

 #7465625*27*Code# = Disables CP lock

 *7465625*746*Code# = Enables SIM lock

 #7465625*746*Code# = Disables SIM lock

 *7465625*228# = Activa lock ON

 #7465625*228# = Activa lock OFF

 *7465625*28638# = Auto Network lock ON

 #7465625*28638# = Auto Network lock OFF

 *7465625*28782# = Auto subset lock ON

 #7465625*28782# = Auto subset lock OFF

 *7465625*2877# = Auto SP lock ON

 #7465625*2877# = Auto SP lock OFF

 *7465625*2827# = Auto CP lock ON

 #7465625*2827# = Auto CP lock OFF

 *7465625*28746# = Auto SIM lock ON

 #7465625*28746# = Auto SIM lock OFF

 Type *#9998*627837793# Go to the 'my parameters' and there you will find new menu where you can unlock phone.(not tested-for samsung C100)

 To unlock a Samsung turn the phone off take the sim card and type the following code *#pw+15853649247w# .

 Java status code: #*53696# (Samsung X600)

Type in *#0000# on a Samsung A300 to reset the language

Master reset(unlock) #*7337# (for the new samsungs E700 x600 but not E710)

Samsung E700 type *#2255# to show secret call log (not tested)

Samsung A300, A800 phone unlock enter this *2767*637#

Samsung V200, S100, S300 phone unlock : *2767*782257378#

If you want to unlock your phone put a sim from another company then type *#9998*3323# it will reset your phone. Push exit and then push 7, it will reset again. Put your other sim in and it will say sim lock, type in 00000000 then it should be unlocked. Type in *0141# then the green call batton and it's unlocked to all networks. This code may not work on the older phones and some of the newer phones. If it doesn't work you will have to reset your phone without a sim in it by typing *#2767*2878# or *#9998*3855# (not tested)

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LG Secret Codes

LG all models test mode: Type 2945#*# on the main screen.

2945*#01*# Secret menu for LG

 IMEI (ALL): *#06#

 IMEI and SW (LG 510): *#07#

 Software version (LG B1200): *8375#

 Recount cheksum (LG B1200): *6861#

 Factory test (B1200): #PWR 668

 Simlock menu (LG B1200): 1945#*5101#

 Simlock menu (LG 510W, 5200): 2945#*5101#

 Simlock menu (LG 7020, 7010): 2945#*70001#

 Simlock menu (LG 500, 600): 2947#*

 LG-U81XX SPECIAL CODES

 Code to read phone version :

 - Phone without SIM

 - Enter 277634#*# or 47328545454#

 - Select 'SW Ver.info'

 Code to reset phone :

 - Phone without SIM

 - Enter 277634#*# or 47328545454#

 - Select 'Factory Reset'

 Code to enter UNLOCK MENU :

 - Phone wit SIM inside

 - Enter 2945#*88110#

 Test Menu 8330 : 637664#*#

 Test Menu 8180 V10a: 49857465454#

 Test Menu 8180 V11a: 492662464663#

 Test Menu 8130-8138: 47328545454#

 Test Menu 8110-8120: 277634#*#

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Secret Phone Codes

Type 000000* on an Alcatel to see how much the battery is discharged.

 Alcatel: ###337*07# - Phone restarts itself.

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All Mobile Secret Codes!!!!

Type Following character and find your mobile series Ctrl + F

C25:

S4:

S6, S8:

S10, E10:

S15e:

S25:

S25, M35, S35, C35

1610/1630

1610/1611

2110

2110i/2110e

NOKIA3110

3210

51XX

NOKIA 61XX

NOKIA8810

NOKIA99OO

NOKIA 911O

NOKIA 81XX

Motorola 920

Motorola 930

Motorola 930

Motorola 6200

Motorola 7500

Motorola 8200

Motorola 8400

Motorola 8700

Motorola CD 160

Motorola CD 520

Motorola d460

Motorola V3688

T10

T18

T28

388

GA628

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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.

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S6, S8:

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

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S10, E10:

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

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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

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Secret Codes Of Nokia Mobiles:

Below we present 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 fromkeyboard 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, activatenetmonitor 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#) -"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

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NOKIA99OO

 *#06# -IMEI

 *#682371158412125# -Software version

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

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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.

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