AT&T HTC One M8 Android 4.4.4 KitKat Update with VoLTE, HTC Eye Experience Coming This Week An HTC executive has confirmed that the impending Android 4.4.4 KitKat OTA update for the AT&T variant of the HTC One M8 will roll out this week and bring with it VoLTE and the Eye Experience software. by Anu Passary