Asus issued a new software update for the Padfone 2 (http://www.gsmarena.com/asus_padfone_2-5017.php), which brings a couple of new features and improves on the old ones. The update brings the software to version V10.4.12.24, Android version remains at 4.1.
One of the changes is better performance and stability for the Padfone 2 itself and its Padfone 2 Station tablet dock. Wi-Fi connections should be more stable after the update too.
(http://cdn.gsmarena.com/vv/newsimg/13/03/padfone2-sw-update/gsmarena_001.jpg)
The camera firmware was updated with optimized HDR mode and automatic brightness control.
New features include NFC file sharing from Asus Studio and the new Asus Story app. The lockscreen has been tweaked and several of the existing apps had some work done as well, including the Contacts app, Email app, weather and battery widgets.
You can download the V10.4.12.24 update (http://www.asus.com/Tablets_Mobile/PadFone2/#support_Knowledge) for the Asus Padfone 2 from the company