General Codes
(1) *#06# – IMEI number
(2) *2767*3855# - hard reset
(3) *#*#7780#*#* - factory reset
(4) *#*#7594#*#* - change end call/power option
(5) *#*#197328640#*#* - service mode
(6) *#*#273283*255*663282*#*#* - file copy screen (Backup media files)
(7) *#*#526#*#* - wlan test
(8) *#*#232338#*#* - shows wifi mac address
(9) *#*#1472365#*#* - gps test
(10) *#*#1575#*#* - another gps test
(11) *#*#232331#*#* - bluetooth test
(12) *#*#232337#*# - shows bluetooth device address
(13) *#*#8255#*#* - gtalk service monitor
(2) *2767*3855# - hard reset
(3) *#*#7780#*#* - factory reset
(4) *#*#7594#*#* - change end call/power option
(5) *#*#197328640#*#* - service mode
(6) *#*#273283*255*663282*#*#* - file copy screen (Backup media files)
(7) *#*#526#*#* - wlan test
(8) *#*#232338#*#* - shows wifi mac address
(9) *#*#1472365#*#* - gps test
(10) *#*#1575#*#* - another gps test
(11) *#*#232331#*#* - bluetooth test
(12) *#*#232337#*# - shows bluetooth device address
(13) *#*#8255#*#* - gtalk service monitor
Codes to launch various factory tests
(1) *#*#0283#*#* - packet loopback
(2) *#0*# - lcd test
(3) *#*#0673#*#* - melody test
(4) *#*#0842#*#* - device test (vibration test and backlight test)
(5) *#*#2663#*#* - touch screen version
(6) *#*#2664#*#* - touch screen test
(7) *#*#0588#*#* - proximity sensor test
(8) *#*#3264#*#* - ram version
(2) *#0*# - lcd test
(3) *#*#0673#*#* - melody test
(4) *#*#0842#*#* - device test (vibration test and backlight test)
(5) *#*#2663#*#* - touch screen version
(6) *#*#2664#*#* - touch screen test
(7) *#*#0588#*#* - proximity sensor test
(8) *#*#3264#*#* - ram version
Codes to get firmware version information
(1) *#*#4986*2650468#*#* - pda, phone, h/w, rfcalldate
(2) *#*#1234#*#* - pda and phone
(3) *#*#1111#*#* - fta sw version
(4) *#*#2222#*#* - fta hw version
(5) *#*#44336#*#* - pda, phone, csc, build time, changelist number
(2) *#*#1234#*#* - pda and phone
(3) *#*#1111#*#* - fta sw version
(4) *#*#2222#*#* - fta hw version
(5) *#*#44336#*#* - pda, phone, csc, build time, changelist number
Warning:
If the code has been pressing for the Hard Reset, it will be directly hard reset, there is no Cancel option. While the Factory Reset just delete the account, system & application settings.