If you hate ads, want background play, and need a modern UI without Google Play Services, is the best application for Android 5.1.1.
: Some community-patched versions of YouTube Vanced (like version 16.29.39) have been modified specifically to bypass the "Update" error on Lollipop. Summary of Options Ease of Use Key Benefit Web Browser No installation needed; always works. NewPipe Background play and ad-blocking. Old APKs Official feel, but prone to "Out of date" errors. If you'd like, I can help you: Find direct links to compatible APK versions. Suggest lightweight browsers that won't lag on your device. Youtube For Android 5.1.1