For those of you still wondering, here’s the full changelog for the Android 4.0.4 update for the AT&T HTC One X. In addition to giving new options for the menu function, you’ll find:
New features:
- Additional NFC Capabilities
- More content choices in HTC Hub
- Car application update to provide access for third party music applications
Fixes/Updates:
- Wi-Fi connectivity improvements
- Improved Bluetooth automobile compatibility
- Increased 3G/4G connectivity
- HTC Sense improvements
- Contacts synchronization enhancements
- Network time correction
More: HTC One X forums