System Update for HTC One X Tweaks Wi-Fi Performance
AT&T and HTC are delivering a minor maintenance update to the One X. Software version 1.85.502.3 for the One X contains several fixes for Wi-Fi performance as well as a fix for the AT&T Address Book.
from AT&T / HTC
Yes but it breaks root access...
A better option is here:
http://forum.xda-developers.com/showthread.php?t=164 ... »
ATT, please stop trying to prevent people from modifying their own phones! We paid for them, we own them, we should be able to do with them as we see fit. It doesn't cost you anything.