Associate
- Joined
- 3 Apr 2007
- Posts
- 855
We can tell (I work for Orange) but that's probably beside the point here. OP - what network (and if appropriate - the app) are you using for the tether?
Can I ask how? I mean, the only way I could possibly think you could even guess is by looking at bandwidth used. But even then, someone could just be a heavy user.