Some devices are still waiting for their official update to Android 5.0 Lollipop. For any owners of the HTC One (M8) under AT&T’s umbrella, that wait is going to have to continue a bit longer.

On Monday, January 19, AT&T officially released an update for the One (M8), which sees the handset get updated to Android 4.4.4 KitKat. AT&T notes that this particular update, even with the bump up in version number, that it’s mainly focused on security updates and an overall update to Bluetooth performance. There are several other options added, like a Usage Monitor App and an improvement to battery life.

HD Voice is also included in this update as well.

Here’s the full breakdown:

• Enables HD Voice
• Updates Android OS to Android 4.4.4
• Security enhancement
• Bluetooth enhancement
• Adds AMBS Cloud Messaging Integration
• Adds Copy and Paste camera feature
• Adds Usage Manager App
• Improves battery performance
• Updates AT&T Ready2Go
• Updates Visual Voicemail

The update is rolling out now over the air, so owners should keep an eye out for it.