Youtube HDR Streaming not working properly

[mamsafras]

Please tell us some basic information before asking for help.

1. Model Name: Asus Rog phone
2. Firmware Version:ww_phone 16.0430.2009.39-0
3. Rooted or not: not
4. Frequency of Occurrence: while streaming HDR videos on youtube
5. APP Name & APP Version (If your issue relates to the app): youtube
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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@Christine_ASUS

[Christine_ASUS]

Hi mamsafras
Thank you for your asking. Kindly provide the information below so that we can better assist you.
1. Does the issue appear right after any system/apps' download or update?
2. Do you face the same issue in Netflix?
3. What is your current YouTube version?
4. Have you ever rooted or unlocked your device before?
5. What is your current Widevine version?
*Please download "DRM info">Widevine

[mamsafras]

1. Since this android pie
2. I am not using Netflix
3. Youtube 15.49.34
4. This unrooted device and i haven't tried
5. Widevine version 14.0.0 , HDCP Lecel support : HDCP 2.2

[Christine_ASUS]

Hi mamsafras
Thank you for your reply. Can you check if your Widevine security level is L1 or L3?

[mamsafras]

Security level 1