let's me know, there is one code in two times.

2767 * 4387264636 # (To display product code)
Imei * # 272 * # * (display / change CSC code) or * 272 # * # * HHMM

* # * # * # * # 1472365 (GPS test settings)

* # * # 197328640 # * # * (Service mode main menu)

* 12580 * # 369 # (SW & HW info)
* # 0228 # (ADC Reading)
* # 32489 # (Ciphering info)
232337 # * # (Bluetooth address)
232331 # * # (Bluetooth Test Mode)
232338 # * # (WLAN MAC address)
232339 # * # (WLAN Test Mode)
* # 0842 # (Vibra Motor Test Mode)
* # 0782 # (Real Time Clock Test)
* # 0673 # (Sound Test Mode)
0 * # * # (General Test Mode)
* # 2263 # (RF Band Selection)
* # 9090 # (Diagnostic Configuration)
* # 7284 # (USB I2C Mode Control)
872564 # * # (USB Logging Control)
* # 4238378 # (GCF Configuration)
* # 0283 # (Audio Loopback Control)
* # 1575 # (GPS Control Menu)
* # 3214789650 # (LBS Test Mode)
* # 745 # (RIL Dump Menu)
* # 746 # (Dump Debug Menu)
* # 9900 # (System Dump Mode)
* # 44336 # (software Version Info)
* # 06 # (display IMEI number) * # 1234 # (display current firmware)
* # * # 4636 # * # * (Diagnostic and general settings mode)
* # * # 7780 # * # * (Factory soft reset) or * # 7780 #
* 2767 * 3855 # (hard reset to factory default settings firmware ROM)

* 2767 * 4387264636 # (To display product code)
Imei * # 272 * # * (display / change CSC code) or * 272 # * # * HHMM

* # 273283 * 255 * 663282 * # (Create Data SD Card)
* # 3282 * 727336 * # (Usage Status Date)
* # 7594 # (Call to End Shutdown Remap TSK)
* # 34971539 # (Camera Firmware Update)
* # 526 # (WLAN Engineering Mode)
* # 528 # (WLAN Engineering Mode)
* # 7412365 # (Room Firmware Menu) or * # * # 34971539 # * # *
* # 80 # (Unknown)
* # 07 # (Test History)
* # 3214789 # (GCF Status Mode)
272886 # * # (Auto Answer Selection)
* # 8736364 # (OTA Update Menu)
301279 # * # (HSDPA / HSUPA Control Menu)
* # 7353 # (Quick Test Menu)
* 2767 * 4387264636 # (Sellout SMS / PCOD view)
* # 7465625 # (View Phone Lock Status)
* 7465625 * 638 * # (Configure Network Lock MCC / MNC)
# 7465625 * 638 * # (Network Lock Insert Keycode)
* 7465625 * 782 * # (Configure Network Lock NSP)
# 7465625 * 782 * # (Network Lock Insert Partitial Keycode)
* 7465625 * 77 * # (Network Lock Insert Keycode SP)
# 7465625 * 77 * # (Insert Lock Operator Keycode)
* 7465625 * 27 * # (Network Lock Insert Keycode NSP / CP)
# 7465625 * 27 * # (Insert Content Providers Keycode)
* # 0289 # (Test Mode Melody)
* # 2663 # (TSP / TSK firmware update)
* # 03 # (NAND Flash S / N)
* # 0589 # (Light Sensor Test Mode)
* # 0588 # (Proximity Sensor Test Mode)
* # 273283 * 255 * 3282 * # (Date Create Menu)
* 2767 * 4387264636 # (Sellout SMS / PCOD view)
* # 7465625 # (View Phone Lock Status)
* 7465625 * 638 * # (Configure Network Lock MCC / MNC)
# 7465625 * 638 * # (Network Lock Insert Keycode)
* 7465625 * 782 * # (Configure Network Lock NSP)
# 7465625 * 782 * # (Network Lock Insert Partitial Keycode)
* 7465625 * 77 * # (Network Lock Insert Keycode SP)
# 7465625 * 77 * # (Insert Lock Operator Keycode)
* 7465625 * 27 * # (Network Lock Insert Keycode NSP / CP)
# 7465625 * 27 * # (Insert Content Providers Keycode)
* # 3282 * 727336 * # (Usage Status Date)
* # 7594 # (Call to End Shutdown Remap TSK)
* # 34971539 # (Camera Firmware Update)
* # 526 # (WLAN Engineering Mode)
* # 528 # (WLAN Engineering Mode)
* # 7412365 # (Room Firmware Menu)
or * # * # 34971539 # * # *
* # 80 # (Unknown)
* # 07 # (Test History)
* # 3214789 # (GCF Status Mode)
272886 # * # (Auto Answer Selection)
* # 8736364 # (OTA Update Menu)
301279 # * # (HSDPA / HSUPA Control Menu)
* # 7353 # (Quick Test Menu)
* # 0228 # (ADC Reading)
* # 32489 # (Ciphering info)
232337 # * # (Bluetooth address)
232331 # * # (Bluetooth Test Mode)
232338 # * # (WLAN MAC address)
232339 # * # (WLAN Test Mode)
* # 0842 # (Vibra Motor Test Mode)
* # 0782 # (Real Time Clock Test)
* # 0673 # (Sound Test Mode)
0 * # * # (General Test Mode)
* # 2263 # (RF Band Selection)
* # 9090 # (Diagnostic Configuration)
* # 7284 # (USB I2C Mode Control)
872564 # * # (USB Logging Control)
* # 4238378 # (GCF Configuration)
* # 0283 # (Audio Loopback Control)
* # 1575 # (GPS Control Menu)
* # 3214789650 # (LBS Test Mode)
* # 745 # (RIL Dump Menu)
* # 746 # (Dump Debug Menu)
* # 9900 # (System Dump Mode)
* # 44336 # (software Version Info)
* # 0289 # (Test Mode Melody)
* # 2663 # (TSP / TSK firmware update)
* # 03 # (NAND Flash S / N)
* # 0589 # (Light Sensor Test Mode)
* # 0588 # (Proximity Sensor Test Mode)
* # 273283 * 255 * 3282 * # (Date Create Menu)
* # 273283 * 255 * 663282 * # (Create Data SD Card)
* # 06 # (display IMEI number)
* # 1234 # (display current firmware)
* # * # 4636 # * # * (Diagnostic and general settings mode)
* # * # 7780 # * # * (Factory soft reset)
or * # 7780 #
* 2767 * 3855 # (hard reset to factory default settings firmware ROM)
* 2767 * 4387264636 # (To display product code)
Imei * # 272 * # * (Display / CSC code change)
or * 272 # * # * HHMM
* # * # * # * # 1472365 (GPS test settings)
* # * # 197328640 # * # * (Service mode main menu)
* 12580 * # 369 # (SW & HW info)
*#7412365# (Camera Firmware Menu)

24.8.2011

*#*#0673#*#* OR *#*#0289#*#* – Melody test

*#*#2663#*#* – Touch screen version

*#*#2664#*#* – Touch screen test

*#*#3264#*#* – RAM version