1- *#1111# for S/W version

2- *#1234# for Firmware version

3- *#2222# for hardware version

4- *#8999*8376263# All version together

5- *#8999*8378# TEST MENU6- *#4777*8665# GPSR tool

7- *#8999*523# LCD Brightness

8- Battery Info *#0228# OR *#8999*228#

9- Display storage capacity *#8999*636#

10- Display SIM card Info *#8999*778#

11- *#7465625#=check mobile lock status
its in the format *#simlock#

12- *7465625*638*code#=enables network lock

13- #7465625*638*code#=disables the above function

*#8999*8376263#

14- Samsung hardware version: *#8999*837#

15- Show network information: *#8999*638#

16- The display during warning: *#8999*786#

17- *#8999*667# Debug Mode

18- *#92782# PhoneModel (Wap)

19- #*5737425# JAVA Mode

20- #*7462# SIM Phase

21- #*7983# Voltage/Freq

22- #*3941# External looptest 115200 bps

23- #*5176# L1 Sleep

24- *#9998*627837793# Go to the ‘my parameters’ n there u will find new menu where you can unlock phone.(not tested 4 samsung C100) 4 Samsung
If ur phone doesn’t work u will have to reset your phone without a SIM in it by typing *#2767*2878# or *#9998*3855# (not tested) 4 few samsung

25- *7465625*28746# = Auto SIM lock ON

26- #7465625*28746# = Auto SIM lock OFF

*All Settings and Codes work on some Samsung Handset models only

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