No. Samsung uses Tizen OS. The versioning system is completely different (e.g., YouTube for Tizen is usually version 2.x or 3.x). You cannot install Android APKs on Tizen.
Insert the USB drive into your Smart TV’s USB port.
While version 6.17 391 is the current champion, Google has already hinted at version 7.0 for Smart TVs. Leaked developer notes suggest that future updates will focus on: Smart Tv Youtube 6.17 391 Download Latest
The simplest method is to do nothing. Ensure your TV is connected to stable Wi-Fi and that automatic updates are enabled:
the downloaded APK via a physical USB flash drive or direct URL path within your TV's file manager app. Phase 3: Execute the Local Install Launch your chosen on-screen file explorer. Click the target smart_youtube_tv_6.17.391.apk file. Select the Install prompt when the OS warning appears. You cannot install Android APKs on Tizen
I can provide custom side-loading instructions or recommend the best modern software substitute for your home theater setup. Share public link
If you are looking for a specific APK to sideload, that number—6.17.391—likely refers to a specific build of the "YouTube for Android TV" application (not to be confused with the subscription service "YouTube TV"). While I cannot host files here, this guide will tell you exactly where and how to get that version safely, how to install it on devices that support sideloading, and what to do if you run into trouble. Leaked developer notes suggest that future updates will
Download the latest YouTube APK for Smart TV (v6.17.391). Fast, secure link and step-by-step install instructions for Android TV and compatible devices.