How to use my iphone5S in Japan
Hi
I have an AT&T iphone 5S with 2 yr contract, and I will have a trip to Japan later this year. I plan to unlock it by AT&T and buy a prepaid SIM card there. If I just want to use the phone there for 15 days with data plan, what options I have? Do I have to buy a prepaid SIM card?
Thanks!
Lu
iPhone 5s, iOS 8