Codes:
*#06# to display the IMEI
*#0000# to set the language automaticaly (To english)
*#3370# to set the Enhaced Full Rate
#3370# to Reset the phone
*#9000# to enter sim lock code
*#9003# to enter the network code
*#9004# to enter the subset code
*#9100# to remove the sim lock permanently
*#9101# to remove the corporate lock permanently
*#9102# to remove the provider lock permanently
*#9103# to remove the network lock permanently
*#9104# to remove the subset lock permanently
Reveal Engineering Menu
Press *#3262255*8378# (equivalent to *#DANCALL*TEST#) to make secret Engineering menu (Menu 10) appear. Then you will be able to see the following information.
10. Engineering
10.1 MS Info
10.1.1 on
10.1.2 off
10.2 Software details
10.2.1 Software version
10.2.2 EEPROM version
10.2 Test / Production details
10.3.1 Hardware data
10.3.2 Production data
10.3.3 Service data
10.3.4 Mechanical data