'Tethering' is device-specific. If it can be disabled on your device it's only because your device has been made to the specifications of the network. In theor

'Tethering' is device-specific. If it can be disabled on your device it's only because your device has been made to the specifications of the network. In theory the network could use packet inspection to determine if the data was originating from a desktop OS instead of a smartphone OS, but in practice no one does this. The network doesn't see any difference between bits requested by your phone's browser and bits requested by your computer's browser using your phone's connection.