> How they detect this is a closely guarded secret and a big mystery. I would guess packet inspection and checking user agents. You could bypass it with an ipt

> How they detect this is a closely guarded secret and a big mystery. I would guess packet inspection and checking user agents. You could bypass it with an iptables rule on the handset (is there iptables available on Android?) and/or changing your browser's user agent string. That's just a theory, I wanted to test it but never find the time.