unlocked iphone 4s for China: CDMA or GSM ?

I need to buy an unlocked iphone 4s for my friend in China.

 

Should  I buy CDMA version or GSM version?

所有跟帖： 

• 沒鎖的iphone隻有gsm型號。 -用戶名被占用了- ♂ (0 bytes) () 12/04/2011 postreply 05:29:02

• thank you! -menmei- ♂ (0 bytes) () 12/04/2011 postreply 09:09:49