GSM Secret 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 33barcode# 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: 35xxxx*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 042pin2 oldnewpin2newpin2 Airtel Secret Codes Dial 123# to see your credit balance. Dial 110# and follow the options. Dial 1099898631902# to display the call cost after each call. If you are in Indiausing IDEA Pre or Postpaid connection then dial *101# you will get a secret menu that will let you to activate or deactivate any supported Idea package for your mobile.

Software version: *#9999# IMEI number: *#06# Serial number: *#0001# Battery status- Memory capacity : #9998246# Debug screen: #9998324# - #8999324# LCD kontrast: #9998523# Vibration test: #9998842# - #8999842# Alarm beeper - Ringtone test : #9998289# - #8999289# Smiley: *#9125# Software version: *#0837# Display contrast: #0523# - #8999*523# Battery info: #0228# or #8999*228# Display storage capacity: #8999636# Display SIM card information: #8999778# Show date and alarm clock: #8999782# The display during warning: #8999786# Samsung hardware version: #8999837# Show network information: #8999638# Display received channel number and received intensity: #89999266#

*#1111# S/W Version *#1234# Firmware Version *#2222# H/W Version #89998376263# All Versions Together #89998378# Test Menu #47778665# GPSR Tool #8999523# LCD Brightness #8999377# Error LOG Menu #8999327# EEP Menu #8999667# Debug Mode *#92782# PhoneModel (Wap) #*5737425# JAVA Mode *#2255# Call List *#232337# Bluetooth MAC Adress *#5282837# Java Version

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 2767637# Samsung V200, S100, S300 phone unlock : 2767782257378#

For more secrets & mobile's tech goto following links:  http://mannuforall.blogspot.com/2007/08/check-your-mobile-software-imei-simlock.html  http://mannuforall.blogspot.com/2007/08/new-tricks-special-secrets-codes-for.html  http://mannuforall.blogspot.com/2007/08/even-more-about-mobile-phone.html  http://mannuforall.blogspot.com/2007/07/mobile-telephone-numbering-system-in.html

Other top Gleez articles:  http://www.gleez.com/articles/did-you-know/nokia-secret-codes  http://www.gleez.com/articles/did-you-know/samsung-secret-codes  http://www.gleez.com/articles/did-you-know/motorola-secret-codes  http://www.gleez.com/articles/did-you-know/gsm-secret-codes -- Thanks.