What kind of devices can I use?

You can use any unlocked cell phones including Apple iPhone, Samsung Galaxy and other smartphones.

Please make sure that you will unlock your smartphone otherwise you can't use our prepaid Sim card.

A. How to unlock iPhone
(https://support.apple.com/en-us/HT201328)

B. How to unlock your smartphone
(http://www.computerworld.com/article/2883411/smartphones/new-rules-how-to-unlock-your-smartphone.html)