Smart Tv Youtube 617 391 Download Latest Version Extra Quality Updated May 2026

If you are using a TV with a proprietary operating system (such as older Samsung Tizen or LG webOS models), installing a specific APK version like 617 391 is generally not possible. These systems are "walled gardens," meaning you can only install the version currently available in their respective app stores.

Overview

What’s new in 617.391

Compatibility

Pre-download checklist

How to download or update (general steps) Android TV / Google TV:

Samsung (Tizen):

LG (webOS):

If the store doesn’t show version 617.391

Manual / Advanced installation (Android TV only)

Extra quality settings for best playback

Troubleshooting tips

Security & privacy notes

When to contact support

If you want, I can:

The screen flickered in the dimly lit living room, casting a cold blue glow over Mark’s face. He was tired of the lag. Every time he tried to launch YouTube on his Smart TV, the spinning circle of doom mocked him. He needed the latest version—the legendary "617 391" build he’d read about on a niche tech forum.

"Extra quality," the post had promised. "Updated for 4K stability."

Mark grabbed his laptop. This wasn't a standard app store update; it was a manual mission. He found the download link, a string of digits and letters that felt like a secret handshake for power users. He moved the file to a thumb drive, his pulse quickening as he plugged it into the back of the TV. The prompt appeared: Install update?

He clicked 'Yes.' The progress bar crawled forward, a glowing blue line bridging the gap between glitchy playback and digital perfection. When the TV finally rebooted, the YouTube logo didn't just appear—it snapped onto the screen with newfound sharpness.

He clicked on a nature documentary. The colors were deeper, the frame rate fluid. The extra quality wasn't just a marketing buzzword; the updated 617 391 version had turned his aging screen into a window to another world. Mark leaned back, the "Loading" icon finally a thing of the past.

The search term Smart TV YouTube 6.17.391" refers to a specific version of a third-party application called Smart YouTube TV

(an unofficial client, not the standard app), which is primarily used to fix compatibility issues on older smart TVs and Android TV boxes. Key Features of Version 6.17.391

This version is widely cited as a "fix" for older hardware that no longer supports the official YouTube app from the Google Play Store. Legacy Support:

Specifically designed to run on older Android versions, such as Android 4.0, 4.2, and 4.4 No Google Services Required:

Unlike the official app, this client does not rely on Google Play Services, which is often missing or broken on older TV boxes. Resolution Options: Supports resolutions up to and allows manual overriding of video quality. Remote Control Optimization:

The interface is specifically designed for d-pad navigation on a TV remote. Installation Guide for Older TVs

To install this specific version on a device where the official app is failing, users generally follow these steps: Preparation:

Uninstall any existing YouTube apps on the TV to avoid conflicts. Browser Download: Open the TV's web browser and search for the Smart TV YouTube 6.17.391 APK from reputable third-party repositories like Crosswalk Project: Many older TVs require a secondary support file called the Crosswalk Project Runtime

to be installed alongside the APK for the videos to play smoothly. Selection:

Once installed, the app often offers multiple launcher options (e.g., "Lite", "Pro", "Alt"). For maximum compatibility on older hardware, the "Lite" or "Alt" version is usually recommended. Why "Extra Quality" and "Updated"?

The phrases "extra quality" and "updated" in your query typically refer to: Manual Overrides: If you are using a TV with a

The ability to force higher bitrates or resolutions (like 4K) even if the official app limits them based on perceived bandwidth. SmartTubeNext:

While version 6.17.391 was a popular legacy fix, the developer has largely moved on to a newer project called

(formerly SmartTubeNext), which is the current "updated" standard for third-party TV clients.

As this is third-party software not hosted on the official Google Play Store, ensure you download it from a verified source to avoid security risks. YouTube Not Working on Old Smart Tv

selecting the light alt version. This version is recommended for smooth playback across all video formats. For the initial launch, Electronic Secret YouTube Not Working on Old Smart Tv

The search phrase you've provided refers to a specific version of Smart YouTube TV, an open-source, third-party YouTube client primarily used for older Android-based TV boxes and smart TVs.  What is Smart YouTube TV? 

This application is designed to provide a tailored YouTube experience on larger screens, supporting resolutions up to 4K and working independently of Google Play Services. 

Version 6.17.391: This specific build is a popular legacy version released around June 2020 by developer yuliskov. It is often recommended in online tutorials as a stable fix for older TVs where the official YouTube app no longer functions.

"Extra Quality" / "Updated": These terms in your query often appear in titles of tutorial videos or third-party download sites promoting "unlocked" or improved streaming features like ad-blocking and better codec support.  Download and Installation 

While there are many websites hosting this APK, it is safest to use established mirrors if your device does not have an official app store. 

Official Sources: The original project is no longer actively developed, but you can find various versions like 6.17.391 and newer iterations (e.g., 6.17.739) on APKMirror and Aptoide.

Installation Tip: For this specific version to work correctly on older devices, many users also need to install the Crosswalk Project library to handle modern web content.  Latest Official Alternatives 

Since Smart YouTube TV is largely discontinued, the developer has moved on to a successor called SmartTube (formerly SmartTubeNext). This new version is actively updated and provides a more modern interface for 4K streaming and advanced video settings. 

Official YouTube App: If your TV supports it, the most secure way is to download the standard YouTube app from the Google Play Store. 

Are you trying to fix a specific error on an older TV, or are you looking for a version that specifically blocks ads? 

Smart YouTube TV 6.17.391 (noarch) (Android 4.0+) - APKMirror

Introducing Smart TV YouTube 617 391: The Ultimate Entertainment Experience

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What's New in Smart TV YouTube 617 391?

The latest version of Smart TV YouTube 617 391 comes with a range of exciting features, including:

Key Features of Smart TV YouTube 617 391

How to Download Smart TV YouTube 617 391

Downloading the latest version of Smart TV YouTube 617 391 is easy. Simply follow these steps:

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System Requirements

Conclusion

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Unlocking Endless Entertainment: A Comprehensive Guide to Smart TV YouTube 617 391 Download Latest Version with Extra Quality Updated

In the era of digital streaming, YouTube has emerged as a leading platform for video content, offering a vast array of channels, movies, TV shows, and original content. For those with Smart TVs, accessing YouTube directly on their television sets has become a preferred way to enjoy their favorite content on a larger screen. However, to ensure a seamless and high-quality viewing experience, it's crucial to have the latest version of the YouTube app installed. This article aims to guide you through the process of downloading the latest version of the YouTube app, specifically for Smart TV users looking for the 617 391 version with extra quality updated. What’s new in 617

Understanding Smart TV and YouTube App

Smart TVs are internet-connected television sets that allow users to stream content from various online platforms, including YouTube. The YouTube app on Smart TVs is designed to provide easy access to YouTube's vast library of content, including personalized recommendations, subscriptions, and trending videos.

The version number, such as 617 391, signifies a specific update or build of the app. These updates often include performance improvements, bug fixes, and new features to enhance the user experience. For users seeking the "extra quality updated" version, it's likely they are looking for an update that offers improved video quality, additional features, or enhanced stability.

Why Update to the Latest Version of YouTube on Smart TV?

Updating the YouTube app on your Smart TV is essential for several reasons:

How to Download and Update YouTube on Smart TV

The process to download or update the YouTube app on your Smart TV may vary slightly depending on the TV's brand and operating system. Here are general steps for some popular Smart TV platforms:

Version numbers in the Android TV ecosystem follow a specific logic. YouTube for Android TV (which runs on Sony, TCL, Hisense, Nvidia Shield, and Xiaomi Mi Boxes) usually has version codes like 2.xx.xxx or 3.xx.xxx. However, 617 391 is often associated with a specific beta release or a modified client (ReVanced/STN Beta) that targets enhanced performance.

In the context of the keyword "Smart TV YouTube 617 391 download latest version extra quality updated," we are likely referring to a community-trusted build that:

Officially, YouTube’s latest stable version as of late 2023/2024 is around version 2.23.xxx. Build 617 391 sits outside the normal numeric convention, which suggests it is either a beta fork or a recompiled version from the Android TV community.

In the rapidly evolving landscape of smart home entertainment, the YouTube app remains a cornerstone of the Smart TV experience. For enthusiasts and everyday users alike, search queries like "Smart TV YouTube 617 391 download latest version extra quality updated" have become common. This specific string of numbers and keywords points to a deeper user need: the desire for a stable, feature-rich, and high-performance version of YouTube, often driven by the limitations of automatic updates or regional restrictions.

First, let's decode "617.391." This refers to a specific build number of the YouTube app for TV platforms (often Android TV, Google TV, or Samsung Tizen). In the world of software, not all versions are equal. While automatic updates typically push the latest stable release (e.g., version 3.x or 4.x), some users actively seek out specific "intermediate" builds like 617.391. Why? Because certain versions are known for addressing specific bugs (e.g., audio sync issues, 4K playback stuttering, or HDR compatibility) without introducing new problems. For owners of older or less powerful Smart TVs, a "golden" build like 617.391 can offer the sweet spot of "extra quality" – smoother playback, faster navigation, and better codec support than the bloated latest version.

The phrase "download latest version extra quality updated" reveals a critical tension. On the surface, "latest version" seems straightforward. However, for Smart TVs, the "latest" version from the official app store is not always the best. Automatic updates sometimes remove features (like the ability to sort playlists or view video resolutions easily) or introduce performance lag on older hardware. Consequently, tech-savvy users turn to sideloading – downloading the APK (Android Package Kit) file from a trusted third-party source and manually installing it. They seek "extra quality" versions, which typically include:

However, this quest comes with important caveats. Downloading YouTube versions from outside the official Smart TV app store carries risks. Unofficial APK sites may bundle malware or adware. Moreover, sideloading often requires enabling "Unknown Sources" in the TV’s security settings, which can expose the device to vulnerabilities. Additionally, Google frequently updates its backend API; a sideloaded "extra quality" version from 2024 may stop working after a few weeks because the authentication or streaming protocols have changed.

For the average user, the best course of action is not to chase a specific build number like 617.391 but to ensure their Smart TV’s firmware and the official YouTube app are set to auto-update. For enthusiasts who insist on manual control, the process should follow these steps:

In conclusion, the search for "Smart TV YouTube 617 391 download latest version extra quality updated" reflects a legitimate user demand for performance and control. While specific builds can indeed offer temporary benefits – faster startup, sharper video, less buffering – they are not a long-term solution. The most reliable way to enjoy "extra quality" YouTube on a Smart TV remains a combination of: a stable high-speed internet connection (50+ Mbps for 4K), a TV with hardware decoding for VP9 (for YouTube’s preferred codec), and patience with official updates. Sideloading is a powerful tool for advanced users, but for most, the official, automatically updated channel is the safer, more sustainable path to a premium viewing experience.

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. |

If sideloading version 617 391 seems too technical or risky, here is how to get "extra quality" legally:

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: Compatibility

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

Smart YouTube TV 6.17.391: Enhancing Your Big-Screen Experience

Smart YouTube TV is a popular third-party YouTube client specifically designed for Android-based TV boxes and smart TVs. Version 6.17.391 was released as a significant update to provide a more tailored interface for television use. Key Features of Version 6.17.391

This version is known for its compact size (approximately 7.76 MB) and broad compatibility.

High Resolution Support: Allows for viewing content in up to 4K resolution, depending on your hardware.

Independent of Google Services: Works without requiring Google Play Services, making it ideal for devices that lack official Google support.

Tailored Controls: Designed to be fully compatible with standard TV remote controls for easy navigation.

Broad Compatibility: Supports older Android versions starting from Android 4.0 (Ice Cream Sandwich) up to Android 8.0 (Oreo). How to Download and Install

While newer versions like 6.17.739 exist, users specifically looking for 6.17.391 can find the APK on verified community repositories.

Locate the APK: Version 6.17.391 is available on platforms like APKMirror .

Enable Unknown Sources: On your Smart TV or TV box, go to Settings > Security & Restrictions and enable "Install unknown apps" for your file manager or browser.

Install the APK: Transfer the downloaded file to your TV via a USB drive or cloud storage and run the installer.

For a step-by-step walkthrough on installing third-party YouTube clients like SmartTube on your TV, watch this guide: How to Install SmartTube on Android TV How-To-Heroes YouTube• 27 Feb 2026 Managing Video Quality

Check out these helpful tutorials on updating and optimizing YouTube quality on various smart TV platforms: How to Update YouTube App on Any Smart TV 42K views · 11 months ago YouTube · Bscholarly TV How to Change Video Quality in YouTube TV App 694 views · 1 month ago YouTube · Max Dalton