GSM Network USSD Data Service Problem

does anyone know how enable M8 to use gsm USSD data service, because when i enter ussd code for my local network, my m8 only display "Successfully" and nothing to show, why?? i like to check my usage balance and other service, my m8 firmware is 0.9.0.5

this is only possible in 0.9.1.10

oh...i see, i will try it, thank you!