To my knowledge, there is not a Full HD / 4K distinction of YouTube and Netflix app. However, there are at least two different TV version / Smartphone or Tablet version of YouTube and Netflix apps.
Assuming the installation of the correct TV version app, whether 4K is supported is dependent on the platform. The earliest firmware of Sony Android TV did not support YouTube 4K. A later firmware update did - it updated the platform, not the YouTube app which stayed at the same version.
wklie 發表於 2017-6-6 00:38
To my knowledge, there is not a Full HD / 4K distinction of YouTube and Netflix app. However, the ...
Thanks for your reply. According to your describe, Youtube can playback or decode 4K contents. It depends on TV' firmware or Android TV verison....... not Youtube apk itself....