Acquiring and installing an old APK is technically possible, but the user experience is compromised by three primary factors:

Some advanced users use tools like "APK Editor" to change the version code of 17.34.36 to a newer one, tricking the server into allowing access, though this is a temporary workaround.

Accessing YouTube.com through a browser like Chrome remains the most reliable official method.

NewPipe is an open-source, lightweight YouTube client.

| YouTube Version | Android requirement | Works on 6.0.1? | Notes | |----------------|---------------------|----------------|-------| | | Android 8.0+ | ❌ No | Last version before higher requirement, but won’t install. | | 16.05.35 | Android 6.0+ | ✅ Yes | One of the last fully compatible builds. Stable, supports login. | | 15.49.37 | Android 5.0+ | ✅ Yes | Very lightweight, but login may fail now. | | 14.21.54 | Android 4.4+ | ✅ Yes | Old UI, no login possible (Google blocks older sign-in). |

If the user decides to proceed despite the risks, the following repositories are generally cited for legacy software archives: