You are well aware of an update AT&T pushed out to HTC One X users recently, and today, we have a changelog detailing the new features and fixes you can expect. Have you received the OTA yet?
- More content choices in HTC Hub
- Additional NFC capabilities
- Car application update to provide access for third party music apps
- Wi-Fi connectivity improvements
- Network time correction
- Contacts synchronization enhancements.
- Increased 3G/4G Connectivity
- Improved Bluetooth automobile compatibility
source: Android Central