Smart YouTube TV is a third-party alternative client for Android TV and Amazon Fire TV devices. It allows users to watch YouTube videos in 4K resolution without the restrictions often found in the official app, and it supports voice search and user accounts. The v6.17.740 update brings stability improvements and prepares the groundwork for future interface changes.
This document explains the Smart YouTube TV app (commonly used on Android TV/Fire TV/other TV boxes), focusing on version identifiers like 617 and 740 and the term “UPD” (update). It covers what the app is, why specific builds matter, typical update behavior, installation methods, compatibility, common issues and fixes, and safe update practices.
"UPD" stands for Update. When users search "smart youtube tv 617 740 upd", they are often trying to update the app to kill these errors. However, sometimes the update itself fails, creating a loop:
Thus, the keyword describes a vicious cycle: Your YouTube app is broken (617/740), and you cannot update it to fix the problem. smart youtube tv 617 740 upd
If you want, I can:
However, you are probably referring to SmartTube (often called SmartTubeNext), the popular third-party YouTube client for Android/Google TV, Amazon Firestick, and other devices. The numbers might be a version code (e.g., beta 617, stable 740, or an update notification).
Below is a complete guide to understanding and updating SmartTube, including how to handle version numbers like those you mentioned. Smart YouTube TV is a third-party alternative client
A mismatched MTU (Maximum Transmission Unit) can cause error 617 on large video chunks. Set your router’s MTU to 1400 or 1450 (default is often 1500). This reduces packet fragmentation.
File Name: SmartYouTubeTV_6.17.740.apk File Size: Approx. 35MB - 40MB Android Requirement: Android 4.4+
Smart TVs keep a local cache of YouTube thumbnails, login tokens, and settings. When this cache corrupts, it triggers network timeouts (617) and playback decryption errors (740). Attempting an update (UPD) over a corrupted cache often fails mid-installation. Thus, the keyword describes a vicious cycle: Your
| Type | Version Example | Stability | Features | |------|----------------|-----------|----------| | Stable | 17.40 | High | Safe for daily use | | Beta | 18.17 | Medium | Latest features, occasional bugs |
Recommendation: Always use the latest stable version unless you need a specific beta fix.