http://YouthToEarn.com/?ref=489654

This is some tricks for any phone vendor, I hope this tricks will help and useful for you. First, to get your phone IMEI (International Mobile Equipment Identity) you can simply type *#06# (its work for all phone) and this is what will you get :

XXXXXX XX XXXXXX X
TAC FAC SNR SP

TAC = Type approval code of your Mobile
FAC = Final assembly code of your cellphone
SNR = Serial number of your Phone
SP = Spare

Be sure that this IMEI number is similar with your phone box (if you have secondhand phone).

Nokia Phone Tricks :
To enter in the secret menu in Nokia Phone

On the main screen type *#92702689# (Show all manufacture). It will take 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)

Else :

*#0000# : View Software version
*#7780# : Restore factory settings
*#3370# : Enable EFR (To disable, Type it again. Phone Automatically Restart)
*#67705646# : Clear LCD Display (Operator Logo)
*#2820# : Bluetooth device address
*#746025625# : SIM lock allowed statue
*#62209526# : Display the MAC address
#pw+1234567890+1# : Show if SIM restrictors.
*#4720# : half rate Codec activation (To disable, Type it again)
*#3925538# : Delete the contents and code of wallet
*#7328748263373738# : Reset Phone Code. Default code is 12345

Speed Dialing From Simcard contact (not stored in mobile phonebook)
Type number followed by # then call.
Example: 1# or 2# or 21#

Sony Ericcson Phone Tips :

To enter in the secret menu in SE Phone :
with joystick do > * < < * < * (press right,*,left,left,*,left,*) and you may find some information below :

1.Service Info
a. Software Version
b. SIMlock
c. Configuration
2. Service Setting
a. Contrast
3. Service Test
a. Display
b. LED/Illumination – *This test is very cool
c. Keyboard
d. Buzzer
e. Vibrator
f. Earphone
g. Microphone
h. Real Time Clock
i. Joystick Counter

Motorola Phone Tips :

Code to lock keys. Press together *7

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

[] [] [] 0 0 8 [] 1 [] : Select phone line – (use this to write things below the provider name)
[] [] [] 1 0 5 [] 1 [] : Add phonebook to main menu
[] [] [] 1 0 7 [] 1 [] : Add messages to main menu
[] [] [] 1 0 8 [] 1 [] : Copy SIM memory (phonebook menu)
[] [] [] 1 1 3 [] 1 [] : Eng Field options (main menu)
[] [] [] 1 0 1 [] 1 [] : Slow (Frequency of search menu)
[] [] [] 1 0 2 [] 1 [] : Medium (Frequency of search menu)
[] [] [] 1 0 3 [] 1 [] : Fast (Frequency of search menu)
[] [] [] 1 1 9 [] 1 [] : Enable EFR
[] [] [] # # # [] 1 [] : Function
[] [] [] 0 0 4 [] 1 [] : Change pin
[] [] [] 0 0 5 [] 1 [] : Unblocking using the “puk” number

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 msgs memory space.Switch phone off and back on.

Samsung Phone Tips :

The master reset code is:
#*7728#
This will not delete anything from your
mobile phone, but set each and eveything to its
default/standard setting as it was on the time of purchase.

Lock Manager
*2767*2878# : EPROM Reset
*2767*3855# : Master Reset
*#2767*63342# : Media Reset
*2767*667# : MMS reset
*2767*927# : WAP Reset

If you’re Phone will not reset by using those code:
*2767*637#
*2767*688#
#*7337#
*#9998*3323#
*#9998*627837793#
*2767*7822573738#

To unlock your phone put a sim from another company,
now 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)

Other Samsung Codes

*#9998*4357# : Help Menu
*#9998*5282# : Java menu (GRPS/CSD settings for JAVA server)
*#9999#0# : Monitor Mode
*#9999# or *#9998*9999# : Software Version
*#8888# or *#9998*8888# : Hardware Version
*#9998*746# or *#9998*0746# or *#0746# : Sim Infos
*#9998*523# or *#9998*0523# or *#0523# : Display Contrast
*#9998*842# or *#9998*0842# or *#0842# : Vibration On (until you push OK)
*#9998*289# or *#9998*0289# or *#0289# : Buzzer On (until you push OK)
*#9998*288# or *#9998*0288# or *#0288# : Battery & Field Infos
*#9998*377# or *#9998*0377# : Error log
*#9998*778# or *#9998*0778# or *#0778# :Sim Service table
*#9998*782# : show date and alarm clock
*#8999*638# : show network information
*#9998*5646# : change operator logo at startup
*#9998*76# : production number
*#9998*968# : view melody for alarm
*#9998*585# : Non-Volatile Memory (NVM)
*#3243948# : Digital Audio Interference Off
*#32436837# : Digital Audio Interference On
*#1234# : Sofware Version
*#2222# : Hardware Version
*#0842# : Vibrator Test
*#0289# : Buzzer Test
*#0228# : Battery Statue
*#0782# : RTC Display
*#0523# : LCD Contrast
*#0377# : NVM error Log
*#5646# : Logo set
*#0778# : SIM Service Table
*#0638# : SIM Network ID
*#0746# : SIM Info
*#076# : Production no
*#2576# : SIM errors

LG Phone Tips :

2945*#01*# : Secret menu for LG
*#07# : IMEI and SW (LG 510)
*8375# : Software version (LG B1200)
*6861# : Recount cheksum (LG B1200)
1945#*5101# : Simlock menu (LG B1200)
2945#*5101# : Simlock menu (LG 510W, 5200)
2945#*70001# : Simlock menu (LG 7020, 7010)
2947#* : Simlock menu (LG 500, 600)

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#*#

BenQ-Siemens Phone Tips :

Language Menu for BenQ-Siemens mobile
English menu:
*#0001#
Deutsch menu:
*#0049#

Secret Code for BenQ
*#0606# remove sim card before

Unlock Sim:
*#0003*(secret code)#

Bonus Screen:
*12022243121

Factory settings:
Type *#9999# to reset factory settings