Asus has started pushing out a new update to the Zenfone 3 Max (ZC520TL). Arriving as version 13.1.0.56, the update brings along several changes, including a new app as well as fingerprint sensor and camera-related optimizations. Specifically, the update includes a new Power Master app that the company says has been added "to excel battery performance." There are also optimizations related to fingerprint sensor, camera, as well as touch panel display. Moving on, LED notification effects (during charging) as well as the PLMN ID list have been updated. And finally, the update fixes...
Source: http://www.gsmarena.com/zenfone_3_max_update_brings_new_power_master_app_optimizes_fingerprint_sensor_and_camera-news-24342.php