Older YouTube apps may eventually show "There was a problem with the server" or "You are offline" errors due to changes in Google's servers.
The main branch of NewPipe dropped support for Android 5.0/5.1 in recent updates. youtube apk android 511
Search GitHub for "NewPipe Legacy" or check the official NewPipe website for older releases (such as version 0.21.x or specialized community forks backported for Lollipop). These forks modify the user-agent string to trick YouTube into serving video streams to old hardware. 2. Browser-Based Playback via Modern WebView Older YouTube apps may eventually show "There was
You cannot install the absolute latest YouTube version (e.g., v21+) on Android 5.1.1. Instead, you need a version from late 2021 or early 2022. These forks modify the user-agent string to trick
A: You have a custom ROM or de-Googled device. Install “microG” for legacy YouTube support, or switch to NewPipe.
Use Chrome or Firefox to go to ://youtube.com . This is often the most reliable method for very old devices.