They have a pretty good answer for this [1]. Basically, it's a black box component that introduces privacy risks and requires service plans. [1] http://a.wiph

They have a pretty good answer for this [1]. Basically, it's a black box component that introduces privacy risks and requires service plans. [1] http://a.wiphone.io/#but-i-need-my-gsmcdmalte http://a.wiphone.io/#but-i-need-my-gsmcdmalte