Note 4x Poor Video Recording Audio

[João Sacramento]

Hello guys,
Is there any news about some fix to this problem in Note 4X?
Today I updated mine to the last version of MIUI and tried to follow this tutorial:

To view this content we will need your consent to set third party cookies.
For more detailed information, see our cookies page.

Accept third party cookies

However, after follow the tutorial my phone had no sound on speakers or calls and also the camera stopped to record videos.
Fortunately I re-flashed the ROM and everything was ok again.