Invalid Redmi Note 11 + Airpods 4 ANC = no multimedia sound

[maciasoo]

Hi,
I have Redmi Note 11 + Airpods 4 ANC and this combination worked only for a few minutes after initial setup.

Now I get phone calls/Messenger calls sound, but not the multimedia (Spotify, Youtube, etc.).

What I've tried:
1. Forget device and re-pair, even with AirPods reset.
2. OS updates on the phone.
3. Factory reset of the phone.
None of the above worked.

1. AirPods work fine with other Android devices.
2. Other bluetooth headphones work fine with that Redmi Note 11.

I'm stuck...