Over there you've got the unlocked OnePlus One smartphone delivering ... sometimes even five or more phones every month. Ting charges $6 per device on your account, with no limits.

But now you can use GSM phones too. Ting has launched an open beta of its GSM service. Just buy a $9 SIM card, pop it in your unlocked T-Mobile compatible smartphone, and you’re good to go.

but you can bring your own unlocked CDMA or GSM smartphone if you don’t want to buy a new one. The highest end Android phones that Ting Mobile sells currently are Google’s Pixel and Pixel XL.

All they needed was an unlocked GSM phone and then all they ... a try (which is partnering with T-Mobile for the GSM) then all you need to do is order a Ting GSM SIM card. They are currently ...

The MVNO plans to support unlocked GSM handsets ... both T-Mobile and Sprint phones -- a first for the mobile industry. There are more details in Ting's blog post. If you want to check whether ...