samsung mobiler jonno kichu code..kaje lagbe.

*#1234# (Display current firmware)*#*#4636#*#* (Diagnostic and generalsettings mode)*#*#7780#*#* Factory soft reset)or *#7780#*2767*3855# (Factory hard reset to ROMfirmware default settings)*2767*4387264636# (To display productcode)*#272*imei#* (Display/change CSC code)or *#272*HHMM#**#*#1472365#*#* (GPS test settings)*#*#197328640#*#* (Service mode mainmenu)*#12580*369# (SW & HW Info)*#232337# (Bluetooth Address)*#232331# (Bluetooth Test Mode)*#232338# (WLAN MAC Address)*#0228# (ADC Reading)*#32489# (Ciphering Info)*#2263# (RF Band Selection)*#9090# (Diagnostic ConfiguratioN)*#7284# (USB I2C Mode Control)*#232339# (WLAN Test Mode)*#0842# (Vibra Motor Test Mode)*#0782# (Real Time Clock Test)*#0673# (Audio Test Mode)*#0*# (General Test Mode)*#872564# (USB Logging Control)*#4238378# (GCF Configuration)*#0283# (Audio Loopback Control)*#1575# (GPS Control Menu)*#3214789650# (LBS Test Mode)*#745# (RIL Dump Menu)*#03# (NAND Flash S/N)*#0589# Light Sensor Test Mode)*#0588# (Proximity Sensor Test Mode)*#273283*255*3282*# (Data Create Menu)*#34971539# (Camera Firmware Update)*#526# (WLAN Engineering Mode)*#746# (Debug Dump Menu)*#9900# (System Dump Mode)*#44336# (Sofware Version Info)*#273283*255*663282*# (Data Create SDCard)*#3282*727336*# (Data Usage Status)*#7594# (Remap Shutdown to End Call TSK)*#0289# (Melody Test Mode)*#2663# (TSP / TSK firmware update)*#528# (WLAN Engineering Mode)*#7412365# (Camera Firmware Menu)or *#*#34971539#*#**#80# (Unknown)*#07# (Test History)*#3214789# (GCF Mode Status)*#272886# (Auto Answer Selection)*#8736364# (OTA Update Menu)*#301279# (HSDPA/HSUPA Control Menu)*#7353# (Quick Test Menu)*2767*4387264636# (Sellout SMS / PCODEview)*#7465625# (View Phone Lock Status)*7465625*782*# (Configure Network LockNSP)*7465625*27*# (Insert Network LockKeycode NSP/CP)#7465625*27*# (Insert Content ProviderKeycode)#7465625*782*# (Insert Partitial NetworkLock Keycode)*7465625*77*# (Insert Network LockKeycode SP)#7465625*77*# (Insert Operator LockKeycode)*7465625*638*# (Configure Network LockMCC/MNC)#7465625*638*# (Insert Network LockKeycode).kaje lagle dhonnobad dite vulben na.