Smart YouTube TV version 6.17.391 is a specific release of a popular, third-party YouTube client designed for Android-based smart TVs and TV boxes. Developed by Yuriy Lyskov, this open-source application offers features not always found in the official app, such as 4K video support and account login without requiring Google Services. Key Technical Details Version: 6.17.391. Original Release Date: June 26, 2020. Compatibility: Minimum Android 4.0 (Ice Cream Sandwich). File Size: Approximately 7.76 MB.
Main Features: Supports up to 4K resolution, no root permission required, and a user interface optimized for TV screens. How to Download and Install
Since this is a third-party application, it is typically installed via side-loading rather than through standard app stores like the Google Play Store.
Enable Unknown Sources: On your Smart TV, go to Settings > Security & Restrictions and toggle on the option to allow installation from "Unknown Sources".
Download the APK: Use a web browser on your TV or a secondary device to find a trusted source for the APK file, such as APKMirror or Aptoide.
Transfer and Install: If downloaded on another device, move the file to your TV via a USB drive. Open the file using a File Manager app on your TV and select Install.
Activation: Once installed, open the app. You can sign in by navigating to the top left corner, which will provide a QR code or a link (e.g., yt.be/activate) to link your Google account via your smartphone. Maintaining "Extra Quality" and Updates
While version 6.17.391 was a stable milestone, the developer has since released newer variants like 6.17.739 to improve stability and support newer Android versions.
Smart YouTube TV 6.17.391 (noarch) (Android 4.0+) - APKMirror
To download or update the YouTube app for your Smart TV, the safest method is to use your TV's official app store. This ensures you receive the latest stable version
with the best security and performance for your specific hardware. Official Update Method
The most reliable way to get the latest version (including "extra quality" 4K support) is through your device's built-in store: Android TV / Google TV: Google Play Store , select your profile icon, and go to Manage apps & games Samsung Smart TV: Navigate to , select the Settings icon (top right), find YouTube, and select LG Smart TV: LG Content Store
, search for YouTube, and if an update is available, click the Smart TV YouTube 6.17.391 (Legacy Devices) If you are specifically looking for version
, this is often used as a specialized version for older Smart TVs that no longer support the standard official app
This version is typically part of third-party clients like "SmartTube" (formerly Smart YouTube TV), designed to run on older Android versions (4.0+) where the official app may fail These versions often include advanced features like ad-blocking , support for 4K resolution , and playback without requiring full Google Services Installation: You can find these files on repositories like
, but you must enable "Install from Unknown Sources" in your TV settings first Troubleshooting Quality & Loading
If your YouTube app is lagging or won't play in "extra quality" (4K): Check Connection:
Ensure your TV is on a 5GHz Wi-Fi band or connected via Ethernet for stable high-res streaming. Clear Cache: Settings > Apps > YouTube > Clear Cache to resolve freezing issues. Crosswalk Project:
For very old TVs using version 6.17.391, you may also need to install the Crosswalk Project app to ensure all video formats play smoothly 4K resolution How To Update YouTube App on Smart TV (Full Guide) Smart YouTube TV version 6
The version you are looking for, 6.17.391, is an older release of Smart YouTube TV, a popular third-party, open-source YouTube client specifically designed for Android TV boxes and Smart TVs. While this specific build was originally released around June 2020, it remains a sought-after version for users with older hardware due to its lightweight performance and compatibility with older Android versions (down to Android 4.0). Key Features of Smart YouTube TV 6.17.391
4K/HDR Support: Optimized for streaming high-definition content in 4K, HDR, and 60 FPS on compatible hardware.
Ad-Free Experience: Includes built-in features to bypass standard advertisements for uninterrupted viewing.
Broad Compatibility: Specifically designed to run on Android 4.0 (Ice Cream Sandwich) and above, making it ideal for older TV boxes.
No Google Services Required: Can function perfectly without needing Google Play Services, which is helpful for devices that lack official Google certification. How to Download and Install
Since this is a third-party application, you cannot find it on the official Google Play Store. You must sideload the APK file using the following steps:
Prepare your TV: Go to Settings > Security & Restrictions and toggle on "Install Unknown Apps" for your browser or file manager.
Download the APK: Use a browser on your TV or a PC to download the version 6.17.391 APK from a trusted repository like APKMirror.
Transfer (if needed): If downloaded on a PC, move the file to a USB drive and plug it into your Smart TV.
Install: Locate the file using a "File Manager" app on your TV and select it to begin installation. Current Official Alternatives
If you prefer official apps or have a modern Smart TV (Android 9.0+), it is highly recommended to use the latest official versions for better security and stability:
Official YouTube for Android TV: The current latest official version (as of April 2026) is 6.53.301, available on the Google Play Store or via Uptodown.
SmartTube (Next Generation): The developer of Smart YouTube TV has moved on to a newer project called SmartTube, which is more frequently updated for modern devices.
💡 Quick Tip: If your app is freezing or not loading, always check your internet connection first or try clearing the app cache in your TV's settings. APK Download for Android | Aptoide - Smart YouTube TV
Everything You Need to Know About the Smart TV YouTube 617 391 Update
If you’ve been searching for "smart tv youtube 617 391 download latest version extra quality updated," you’re likely looking to optimize your big-screen streaming experience. Keeping your YouTube app updated is the best way to ensure you’re getting the highest possible resolution, the smoothest interface, and the latest features.
In this guide, we’ll break down what this specific version brings to the table and how you can get it running on your television today. Why the YouTube 617 391 Version Matters
Television firmware and app ecosystems can be finicky. Version 617 391 is part of a wave of "Extra Quality" updates designed specifically for modern Smart TVs (Android TV, Tizen, webOS) and streaming sticks. Key Features of the Latest Update: For LG Smart TVs:
Extra Quality Streaming: Enhanced bitrates for 4K and HDR content, reducing buffering and compression artifacts.
Improved Navigation: A snappier UI that reacts faster to remote control inputs.
Stable Background Play: Better resource management so the app doesn't crash when switching between inputs.
Voice Search Optimization: Improved accuracy for Google Assistant and Alexa integration. How to Download the Latest Version
Depending on your hardware, there are two main ways to get the latest updated version of YouTube for your Smart TV. Method 1: The Official App Store (Recommended)
This is the safest way to ensure you have the "Extra Quality" official build.
Open your TV’s App Store (Google Play Store, LG Content Store, or Samsung Smart Hub). Search for YouTube.
If an update is available, select Update. If not, and your version matches 617 391, you are already current.
Pro Tip: Enable "Auto-Update" in your TV settings to never miss a performance boost. Method 2: Sideloading (For Android-based TVs)
If the update hasn't rolled out to your region yet, advanced users often sideload the APK.
Download the YouTube 617 391 APK from a reputable source like APKMirror. Transfer the file to a USB drive and plug it into your TV.
Use a File Manager app on your TV to locate and install the file.
Note: You must enable "Install from Unknown Sources" in your security settings. Troubleshooting Common Issues
Sometimes, even the "Extra Quality" version can run into hiccups. If you experience lag after updating:
Clear the Cache: Go to Settings > Apps > YouTube > Clear Cache. This often fixes playback stutters.
Check Connection: Ensure your TV is on a 5GHz Wi-Fi band or connected via Ethernet for stable 4K streaming.
Restart Your TV: A full power cycle (unplugging for 30 seconds) can clear out lingering RAM issues from the previous version. The Verdict
Updating to the Smart TV YouTube 617 391 version is a game-changer for anyone who values visual fidelity. With "Extra Quality" patches and updated stability, it transforms your living room into a true cinematic experience. Sony)? For Samsung Smart TVs:
Stop settling for blurry uploads and outdated interfaces—check your TV's app store today and start streaming in the highest quality possible.
Smart YouTube TV version 6.17.391 is a legacy third-party YouTube client primarily used on Android-based smart TVs and TV boxes that lack official Google Play Services. While this specific build was released in June 2020, it remains a popular choice for older hardware running Android 4.0 or higher. Review: Smart YouTube TV (v6.17.391)
Resolution & Performance: This version supports up to 4K resolution and HDR content, provided your hardware and internet connection (at least 25 Mbps) can handle it.
Ease of Use: It features a user-friendly interface optimized for large screens and is fully compatible with standard TV remote controls.
Independence: A major highlight is its ability to run without Google Services, making it ideal for budget TV boxes or regions where official apps are restricted.
Current Support Status: Note that active development for the "Smart YouTube TV" project has largely ceased in favour of newer forks like SmartTube. Users may encounter occasional video freezing or audio-only playback issues as YouTube's backend updates. How to Download and Update
To ensure "Extra Quality" and the latest features as of April 2026, you should generally look for the official YouTube for Android TV or a more recent stable build.
Smart YouTube TV 6.17.391 (noarch) (Android 4.0+) - APKMirror
Before you rush to download, ensure your hardware supports this "extra quality" update.
| TV Brand / OS | Compatible with 617 391? | Notes | | :--- | :--- | :--- | | Android TV / Google TV (Sony, TCL, Hisense) | ✅ Yes | Best compatibility. Sideload works perfectly. | | LG webOS | ❌ No | LG does not support .apk files; you cannot sideload. | | Samsung Tizen | ❌ No | Same as LG—closed ecosystem. | | Amazon Fire TV | ✅ Yes | Fire OS is Android based. Install via Downloader. | | Apple TV | ❌ No | Not compatible. | | Nvidia Shield | ✅ Yes | Runs flawlessly; recommended device for 617 391. |
Crucial Disclosure: The number 617 391 does not match official changelogs posted by Google. If you find a file labeled smarttube_next_617391.apk, it is almost certainly SmartTubeNext (STN)—an open-source, third-party YouTube client for Android TV.
SmartTubeNext is legal (it uses YouTube’s public API) but is not official. It is, however, widely regarded as superior to the official app because it offers:
The "latest version extra quality updated" aspect refers to the development branch of SmartTubeNext, which often uses build numbers resembling 617 391.
Verdict: 617 391 is NOT an official Google release. It is a community-driven enhancement.
Many users prefer specific build numbers like 617 391 because these versions are often cited in tech forums as "sweet spots" for performance. This particular build is renowned for:
617 or 391 are obsolete (from older Smart TV firmware versions).✅ To get the latest version on your Smart TV:
Go to Apps → YouTube → Update (if available) or reinstall.
Would you like step-by-step instructions for updating YouTube on your specific TV brand (e.g., Samsung, LG, Sony)?