Black crunch while watching videos with black background

[Vikas_chary]

Please tell us some basic information before asking for help:
Model Name:Rog 3
Firmware Version:
Rooted or not:No
Frequency of Occurrence:more oftenly
APP Name & APP Version (If your issue relates to the app):
In addition to information above, please also provide as much details as you can, e.g., using scenario, what troubleshooting you've already done, screenshot, etc.
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Whenever video played in black i.e any scene that comes to black background there are crunches on the screen making more inconvenient to watch the display.please help to solve the issue.

[ARP_ASUS]

Hi,
We are fine tuning the video experience through updates.
Make sure your phone is on the latest firmware version is .70 for best experience and please share a screenshot or video of the possible issue area.

[gananadeep3]

@ARP_ASUS Hi,
I dint find any fine tuning of video quality but it became worse. The first day when I hold ROG3 Mobile I was able to look past the black crush issue but after updates the video quality is deteriorating. Please try to provide a fix for this soon...

[ARP_ASUS]

Hey @Vikas chary
Can you please share the below:
1. Firmware version
2. App to play video (video title where you experience this)
3. Brightness setting 
4. Screenshot