Free Gsm tricks

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 *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*

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

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#