No background playback unless you use a browser extension like "Video Background Play Fix" (installable on Firefox via its legacy add-on store).
Any way for Reddit and Youtube to work on Android 5.1.1 (Lollipop)? youtube for android 511 top
Users who want to see trending videos and manage subscriptions without creating a local backup. SkyTube can connect to your RSS feed via third-party bridges. No background playback unless you use a browser
YouTube for Android 5.1.1: Top Tips, Best Versions, and Troubleshooting for Older Devices in 2026 SkyTube can connect to your RSS feed via third-party bridges
NewPipe is a legendary open-source YouTube client. While the main version requires newer Android releases, the developers have historically maintained a "Legacy" version specifically targeting Android 4.4 through Android 5.x.
🚀 “YouTube Go is often smoother than main YouTube on 5.1.1.”
For advanced users, there are community patches to fix "Server Error 400" or update prompts on old versions. YouTube (Android 5.0+) APKs - APKMirror