*#3262255*8378# to enter in the secret Engineering menu

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

*#06# to display the IMEI (International Mobile Equipment Identity)

*#0000# to set the language automaticaly (Reset 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