Even version 17.29.36 is getting old. Log-in servers change. Google revokes tokens. If your sideloaded YouTube app suddenly says "No connection" or "Please sign in," use these backups.
As of July 2024, Google Play Services support has ended for Android 5.1.1, causing the official YouTube app to stop functioning on these devices. Users can still access YouTube by using a mobile browser to visit youtube.com or by utilizing third-party legacy clients, as modern app versions now require Android 9.0 or higher. For more details, visit Google Help Android 5 Lollipop | Specs, reviews and EoL info - InvGate app youtube android 5.1.1
: A popular open-source client that works on older Android versions. It allows for high-quality playback and background play but does not support Google account login Even version 17