They will constantly improve the system. the more people that find ways around it the more they will invest in closing the holes. they didnt used to have the ability to see but more and more is pointing to packet inspection and TTL's on them to see if theres another device behind the phone. it's not just an apn setting anymore. it's best either to not tether and breach contract or just pay the $15 a month and use it. Getting around it now, could change next week or a month or tomorrow. companies will do what they can to protect their services from being taken advantage of, and with the number of users that are stealing tethering data, that is a considerable cost. do i think its fair that i need to pay $15 to connect my pc to phone for just a picture here and there, no, but the consumer always wants everything for free.
Let me google that for you
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