While the HTC press event earlier this morning all but 100% confirmed LTE support on AT&T, T-Mobile and Sprint — a new sign-up page posted by T-Mobile makes it absolutely, positively the real deal. The One marks the first HTC device to support LTE on T-Mobile and will be among the most powerful devices T-Mobile has available right from the start of their LTE rollout. Along with the Note II, Galaxy S III LTE, BlackBerry Z10 and rumored Lumia 810 support, Magenta’s LTE launch is already shaping up nicely with powerful and exciting handsets. So th, build it and they will come aspect seems to be working, minus the build it part…for now.