Google actively detects modified YouTube clients. Using an APK like 111956 violates YouTube’s Terms of Service. If detected, Google may:

Before clicking "Download," you must understand the risks. Security firms consistently warn against downloading APKs from unverified sources, especially those with arbitrary numbering schemes like 111956.

Before you search for "YouTube 111956 APK download," you must assess the risks. Side-loading any APK outside the Play Store carries inherent danger, but a mysterious build number like 111956 elevates that risk significantly.