The official YouTube app no longer supports . While version 12.13 was a key compatible release, newer versions of the app (specifically version 17.35.35 and above) now require Android 9.0 or higher to function correctly.
If you still use a device with Android 5, here are the most effective ways to access YouTube content as of early 2026: Mobile Browser (Recommended):
This is where the "full" experience crumbles. Because the app is outdated, the backend services are hit-or-miss.