servers,
i have some questions about the roaming fee. if i travel to china,what fee i need pay? like need i pay for the international data fee,or i will be china if i call or text to my friends in china how much need i pay for that.
here is an another question. i saw there is a simple choice plan.it says there are double data 4g speed.im 500mb data speed.can i get the upgrade for that?