iPhone 4S...GSM or CMDA?

[nasbourne]

how can I tell if my iPhone 4S from Japan (Softbank locked) is a GSM or CMDA version?

 

[thepushercg]

sim card for the gsm version also in settings , about phone.

 

[bab2010]

how can I tell if my iPhone 4S from Japan (Softbank locked) is a GSM or CMDA version?

iPhone 4S is a world phone, it has both networks supports.