A:AnswerYes straight talk is gsm unlocked compatible so yes it will work. You will need a gsm SIM card. Also there could be a restocking fee on your phone if returned. But I returned a simple mobile iPhone 6 and got a full refund. 14 days with a receipt.
A:AnswerIt’s depends on your carrier, but most of the time if you don’t go over a certain amount of gigs, it doesn’t matter. When you do go over the set amount, they slow down your phone.