Kode Cek Samsung Galaxy Grand Duos:
*#0*# : General Test Mode
*#1234# : View SW Version PDA, CSC, Modem
*#12580369# : SW & HW Info
*#19732840# : Service Mode
*#0228# : ADC Reading
*#32489# : Ciphering Info
*#232337# : Bluetooth Address
*#232331# : Bluetooth Test Mode
Sumber : Grup line galaxy grand i9082