IME newpipe breaks every few weeks or so, presumably because of some youtube change / obfuscation. Or at least that was the case a few years ago.
I've had more success hosting an invidious instance and using the materialious client for mobile. And a bonus is that it comes with sponsorblock built in.
I've had more success hosting an invidious instance and using the materialious client for mobile. And a bonus is that it comes with sponsorblock built in.
https://invidious.io/
https://materialio.us/