Samsung secreat code...

               Samsung  one of  popular brand in phone industry.We mentioned the secret codes which you can use for Samsung phones. 

• *#9999# - Software version. 
• *#06# - For checking the International Mobile Equipment Identity ( IMEI
• *#0001# -  Serial number.
• *#9998*246# - Battery status- Memory capacity.
• *#9998*324# , *#8999*324# - Debug screen.
• *#9998*523# - LCD contrast.
• *#9998*842# / *#8999*842# - Vibration test.
• *#9998*289# / *#8999*289# - Alarm beeper / Ringtone test.
• *#9125# - Smiley.
• *#0837# - Software version.
• *#0523# / *#8999*523# - Display contrast.
• *#0228#  / * #8999*228# - Battery info.
• *#8999*636# - Display storage capacity.
• *#8999*778# - Display SIM card information.
• *#8999*782# - Show date and alarm clock.
• *#8999*786# - The display during warning.
• *#8999*837# - Samsung hardware version.
• *#8999*638# - Show network information.
• *#8999*9266# - Display received channel number and received intensity.
• *#1234#  - Firmware Version.
• *#2222#  - H/W Version.
• *#8999*8378# - Test Menu.
• *#1111# S/W Version.
• *#8999*8376263# - All Versions Together.
• *#4777*8665# - GPSR Tool.
• *#8999*523# - LCD Brightness.
• *#8999*377# - Error LOG Menu.
• *#8999*327# - EEP Menu.
• *#8999*667# - Debug Mode.
• *#92782# - Phone Model (Wap)
• #*5737425# - JAVA Mode.
• *#2255# - Call List.
• *#232337# - Bluetooth MAC Address.
• *#5282837# - Java Version.

Source  - www.squidoo.com