Yes, but not the old version.
If you are searching for a fix for the legacy "Smart YouTube TV" app (version 6.x), the answer is no—it is dead and broken. You must upgrade to SmartTubeNext.
By following the sideloading steps in this guide (downloading from GitHub, installing via Downloader, and tweaking the video settings), you will eliminate Error 617 (playback failure) and Error 740 (login failure) completely.
Final Checklist to Make it Work:
Once these steps are complete, you will enjoy ad-free YouTube, background play, and a stable connection—turning your frustrating error codes into a seamless viewing experience.
Disclaimer: SmartTubeNext is a third-party application not affiliated with Google or YouTube. Always download from the official GitHub repository to avoid malware.
was a popular third-party, open-source YouTube client for Android TV devices (developed by yuliskov) designed to provide 4K support and ad-blocking without Google Services. Version History: Versions in the
range (such as 6.17.739 or 6.17.40) are older stable or beta builds. Deprecation:
The original Smart YouTube TV project has been officially replaced by (formerly SmartTubeNext). Troubleshooting "Does it work?"
If you are asking if version 6.17.740 still works, the answer is generally not reliably
. Most older versions of Smart YouTube TV have broken due to changes in the YouTube API. Developers recommend switching to the new app, , for continued functionality.
If you are experiencing issues with the app, community guides suggest the following steps: Network Stack: Change the "Network Stack" in Video Player settings. Buffer Settings: Decrease the video buffer size. Time/Date: Ensure your device has the correct date and time set. Clean Install: Completely reinstall the application and clear all data. Linking to Your TV smart youtube tv 617 740 work
If you were looking for instructions on how to use a code (like a "617 740" style code) to link your TV: Open the app on your TV and go to Link with TV code
On your phone or tablet, open the YouTube app, tap your profile/cast icon, and select Link with TV code to enter the code shown on the screen.
For the most up-to-date and functional version, you can find the official releases for the successor app on the SmartTube GitHub or discussed on community forums like 4PDA download link for the latest SmartTube stable version? How to connect YouTube on your TV using a code
The phrase "Smart YouTube TV 617 740 work" typically refers to the use of manual TV codes to link a mobile device or computer to a YouTube TV app on a smart television. This method is a reliable alternative to automatic Wi-Fi detection.
Modern smart TVs utilize various protocols for device synchronization. While automated discovery via shared Wi-Fi is standard, manual code entry—specifically the "Link with TV Code" feature—remains a critical fallback. This paper explores the functionality, technical implementation, and troubleshooting of using numerical sequences, such as the 12-digit pairings often abbreviated in user queries, to establish a stable casting environment. Technical Overview
YouTube's "Link with TV Code" feature bypasses the need for both devices to be on the same local network subnet. It uses a cloud-based handshake where the TV generates a unique 12-digit string. Once entered into a mobile device, Google’s servers pair the sessions, allowing the phone to act as a remote control and content queue manager. Implementation Steps Generate the Code: Open the YouTube app on your Smart TV or streaming device. Navigate to Settings (gear icon). Select Link with TV code. A blue 12-digit code will appear. Pair the Device: Open the YouTube app on your phone or tablet. Tap your Profile Picture and select Settings. Tap Watch on TV.
Select Enter TV Code and input the digits shown on the screen. Establish Connection:
Once the code is accepted, a "Cast" icon will appear, signifying the devices are synced. Troubleshooting "Why it Won't Work"
If a specific code or the pairing process fails, it is usually due to one of the following factors:
Code Expiration: TV codes are temporary. If the screen is left idle, the code refreshes, rendering the previous one invalid.
App Obsolescence: Older "Smart TV" platforms (pre-2017) may use outdated versions of the YouTube Leanback interface that no longer support modern pairing tokens. Yes, but not the old version
Account Mismatch: While codes allow guest casting, being signed into different Google accounts on the TV and phone can occasionally cause handshake timeouts.
Network Latency: High ping or restrictive firewalls can prevent the TV from registering its code with YouTube’s pairing server. Conclusion
The manual code entry system is an essential feature for cross-device functionality. It ensures that YouTube remains accessible even in complex networking environments where mDNS or SSDP discovery protocols fail. Users encountering issues should focus on refreshing the code and ensuring app versions are current to maintain a seamless "Smart TV" experience.
💡 Pro Tip: If the code fails repeatedly, try the "Link with Wi-Fi" option instead, as it is often more stable for long-term use. To help you get back to watching, let me know:
Your TV model or streaming device (e.g., Samsung, Roku, Firestick). If you see an error message when entering the code.
Title: Smart YouTube TV 617.740 Review — Does It Still Work in 2026?
Description:
In this video, I test Smart YouTube TV version 617.740 on a 2020 Samsung QLED.
✅ Working features:
❌ Not working:
Download safely from: [GitHub / official mirror — add link if allowed]
My verdict: 617.740 is stable for daily use. Don’t update unless you hit a bug. Once these steps are complete, you will enjoy
TECHNICAL ASSESSMENT REPORT
Subject: Operational Stability and Feature Assessment: Smart YouTube TV (Build 6.17.740 / 6.40 Releases) Date: October 26, 2023 Prepared For: Technical Operations / End-User Support Teams Application: Smart YouTube TV (Third-Party Client)
It is the recommendation of this report to discontinue the use of build 6.17.740. While it "works" for basic legacy functionality, it creates a fragmented user experience due to the lack of Shorts support and deprecated decoder libraries.
Action Plan:
Report Prepared By: AI Technical Assistant Classification: Internal Use Only
What it looks like: A message saying, "Playback error 617," "There was a problem loading the video," or "Video unavailable." Why it happens:
Smart YouTube TV 617.740 — still working as of April 19, 2026 ✅
Tip: Clear app cache if you get playback errors.
| Issue | Affected Version | Mitigation Strategy |
| :--- | :--- | :--- |
| 4K HDR Washed Colors | 6.17.740 | Switch color space in TV settings to Rec.2020 or upgrade to 6.40. |
| Login Failure | 6.17.740 | Clear app cache and re-authenticate via yandex.ru. |
| Shorts UI Missing | 6.17.740 | Critical: Update to build 6.40.x or newer. No patch available for legacy branch. |
| Age-Restricted Content | All Versions | Must use "Open External Links" feature or web-based verification. |
After installation, open SmartTubeNext. Do not touch anything for 10 seconds (it auto-updates internal codecs).
To fix Error 740 (Login):
Understanding your specific hardware helps tailor the fix.