Android's built in tethering absolutely does explicitly tell T-Mobile you're using it. http://danielpocock.com/android-betrays-tethering-data http://danielpococ

Android's built in tethering absolutely does explicitly tell T-Mobile you're using it. http://danielpocock.com/android-betrays-tethering-data http://danielpocock.com/android-betrays-tethering-data