The smaller and less robust Zenfone 3 Deluxe (ZS550KL) now has a new firmware/software update available. There are quite a number of improvements which we will list below.
Update 11.40.71.37 Details
Size: 1.78GB
Release Date: 2016/11/08
Available for the following model regions:
Improvements:
1. Improve photo capture speed.
2.Improve the calculating performance of HDR Pro mode
3.Enhance the purifying performance of headphone noice
4.Improve the roaming celluar connection search and registration speed.
5.Add outdoor mode in Audio Wizard and Volume Panel.
6.Enable touch key’s light “always on” service
7.Improve the VoLTE function resume speed after CSFB call ended in FET.
Instructions:
[source: Asus.com]