Through apps like Shadowrocket/Loon/Surge/QuantumultX (IOS) and with
- https://github.com/app2smile/rules
- https://github.com/vibestepler/x
- https://whatshub.top/shadowrocket
- https://github.com/yqc007/QuantumultX
you can fake premium for many services eg: Spotify,Tidal,YT Premium . Is there a way you can replicate in other platforms
Idk wym about chNging the quality but UM ACTUALLY you can download using an external downlosder like seal installed. And in the settings u can put the pkg name of the downloader which will then, if u set it to, downlosd the video using the native download button