One more reason not to use an ISP router, although in this case most of us are at minimum carrying around GPS homing beacons in our pocket so the carriers already know where we are.
And now we also know the reason why they give away unlimited data for free when you use their router, but not when you want to use your own router.
And now we also know the reason why they give away unlimited data for free when you use their router, but not when you want to use your own router.