Because the official old app may have "update required" errors that you cannot bypass, many users prefer these alternatives:
The biggest challenge with using older YouTube APKs is the "forced update" screen. Google often kills the connection for older app versions to save server resources. If you encounter a screen that says you must update to continue: youtube for android 4.1 2 uptodown
Generally, versions around 14.21.54 were some of the last to support older API levels, though even these may struggle today. Many users find that versions from 2018 or 2019 offer the best balance of stability and compatibility for Jelly Bean. How to Install the YouTube APK Because the official old app may have "update