Did Tmo change their tethering policy? I used to be a Tmo employee about 2 years ago and at the time if you had unlimited 4g you got 200mb of tethering data. When you reached that 200 MB you were redirected to a Tmo page offering plan changes for higher data use. If you had a finite data plan like 5 or 10 GB you could tether all you want until you reached that limit.
Well, I've used about 4 GB of tethering data in the last 3 days (haven't tether in over a year and a half) and I haven't been redirected to a Tmo plan change page like I used to.
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