As this version is from 2016, it is highly likely that many features will not work. Most modern YouTube API changes are not supported, which can cause login failures or "No Connection" errors.
This specific version number is historically significant in the Android modding community. Around 2015–2016, third-party developers created popular mods like , which allowed for background playback, ad-blocking, and video downloading—features the official app lacked at the time. Version 11.19.56 was a base for many of these mods. While these features are now standard in YouTube Premium or modern apps like NewPipe and Revanced, 11.19.56 represents the "golden age" of early YouTube modding. youtube 11.19.56 apk
Minimum Android 4.1 (Jelly Bean) through Android 6.0 (Marshmallow). As this version is from 2016, it is
Allows users to watch videos, subscribe to channels, create playlists, and comment. Minimum Android 4
This version is generally compatible with older Android operating systems (like Android 4.1+), making it a fallback for hardware that cannot run modern YouTube iterations. OGYouTube Base: It was frequently used as the base version for