Zenfone 4 max ZC520KL bad Sound Recording on concerts

[alexacaro14]

ZF Model: ZC520KL
RAM: 1G
Firmware/APP Version: Oreo 8.1.0
Frequency of Occurrence: Always
Rooted: No
APP Name: Camera

I have recorded some video from some concerts on my ZenFone 4 max ZC520KL. The Videos sound pretty bad and cracking. This is an example how videos sounds: https://m.youtube.com/watch?reload=9&feature=youtu.be&v=WtnZNpExjFQ

[alexacaro14]

Could you please help me 

[cunmawarib]

I have 2 phones, one ZC520KL and the ZC554KL. Both of them has a very bad sound quality when we record videos on enviroments that are loud noise. It's like it has a malfunctioning compressor system that compacts the sound and distort it completly.

[ServiceE_Asus]

H i Bro, I would suggest you to update the system to WW-15.2016.1903.511. Thank you.