Asus delivered a pair of updates for two of its handsets -the Zenfone Zoom, bearing the model number ZX551ML and the other for the Zenfone 2 Laser ZE601KL. Sadly, the packages in question do not bring Android Marshmallow. They still add a bit of extra functionality and address some significant issues, especially in the case of the Zenfone Zoom. The software bears a version identifier of 2.26.40.72(MR3.2) and according to the official change notes cited below, most tweaks are within the phone's modem and the camera. If we may also note, it is quite refreshing to see a properly kept...
Source: http://www.gsmarena.com/asus_zenfone_zoom_and_zenfone_2_laser_are_both_getting_sizable_surprise_otas-news-17663.php