I noticed the Simple Choice
tablet plan is only $20 plus tax.
Is it possible to get a tablet plan nano SIM and use it in an iPhone? In other words, use it for free data in other countries without text/voice service? An online chat with T-Mobile says yes. The only recent discussion I saw about this was several years ago. For example,
http://www.flyertalk.com/forum/21704501-post179.html