T-Mobile's official tethering policy
According to the T-Mobile Terms of Service (ToS) available at http://www.t-mobile.com/Templates/Popup.aspx?PAsset=Ftr_Ftr_TermsAndConditions&print=true
T-Mobile's official policy about tethering is
Currently because T-Mobile does not allow tethering without a specific add-on to your existing plan if you wish to tether please visit http://www.t-mobile.com/ and add "Tethering and Wi-Fi sharing' to your existing plan.
For T-Mobile UK users tethering is permitted on the current plans that include the "Internet Booster" but you will be limited by the Fair Use Policy that can be viewed here http://www.t-mobile.co.uk/services/uk/fairuse/
According to the T-Mobile Terms of Service (ToS) available at http://www.t-mobile.com/Templates/Popup.aspx?PAsset=Ftr_Ftr_TermsAndConditions&print=true
T-Mobile's official policy about tethering is
11. * Data Plans and Other Features....Permissible and Prohibited Uses: Your Data Plan is intended for Web browsing, messaging, and similar activities on your Device and not on any other equipment. Unless explicitly permitted by your Data Plan, other uses, including for example, using your Device as a modem or tethering your Device to a personal computer or other hardware, are not permitted.
Currently because T-Mobile does not allow tethering without a specific add-on to your existing plan if you wish to tether please visit http://www.t-mobile.com/ and add "Tethering and Wi-Fi sharing' to your existing plan.
For T-Mobile UK users tethering is permitted on the current plans that include the "Internet Booster" but you will be limited by the Fair Use Policy that can be viewed here http://www.t-mobile.co.uk/services/uk/fairuse/