MECOOL M8S Pro+ AV Output Problems (Netflix)

[Bllq21]

I use my Mecool box (with bad chip) plugged via AV output (cvbs) because the TV I have has only one HDMI input
and I have my Set-top Box plugged there

I had to go through a lot of steps to make this work with the AV cable I have
I used this guide and it worked fine but when I was going to watch something on Netflix it never loaded it only shows a black screen
I have the TV version that comes with the latest M8S Pro+ OEM firmware (20171128.111200.V0928) I thought the app was broken so I installed the "normal" version
from the PlayStore with the same happened
So I plugged the box via HDMI and tried NETFLIX and it works perfect

I'm a assuming this problem happens because of the screen resolution the box works via AV out 576cvbs and 480cvbs

Is anything I can do to fix this? (other than using the HDMI or an adapter)

*Someting weird: The mouse cursor looks Massive and Distorted when Im plugged via AV out

[DKAngel]

hdmi is needed for the drm that is why it just will not work

[Bllq21]

hdmi is needed for the drm that is why it just will not work

I didn't thought about that
Thanks!

I'll have to buy an adapter