advice needed plz!!!

[handyn]

hey guys
today i bought verizon iphone 5 (a1429 cdma)
I heard all the verizon iphone5s are unlocked so i tried to use my at&t sim card. however, i only can make call and text, I cannot use 3g on it.
anyone have an idea? my phone is locked?

 

[Skull One]

Have you done the APN setup yet?

Google the settings needed for AT&T.

 

[Chronics]

Just activate 3G in your sim and cofigure your phone with 3G settings.