Originally Posted by
cblaisd
If you use a Chrome (and I presume such is available for Firefox) user agent switcher extension, you can (while on the ground with internet!) switch to an iOS/Android user agent which does fool the Tmobile login. (If you're connecting to websites, you'll get the mobile versions, though; but it's fine for web-based or pop3 email)
That's what I used to do, but lately even that stopped working. The portal says something to the effect of "Only valid for TMO devices". Have you gotten this to work in the past couple months?