Do not just turn the TV off with the remote. Unplug the power cable from the wall for at least .
A frequent cause of "cannot load" errors on smart TVs is an incorrect date or time setting on the television itself, which causes security certificate failures. Regional Locks:
is an unofficial YouTube client designed primarily for LG (NetCast 3.0/4.0) and Samsung (pre-2016) smart TVs, but also works on some other platforms. Version 617.391 is a newer maintenance release in the long-standing custom build series.
If you're using a device from 2020 or earlier, you may experience compatibility issues. Some users report success with:
Select . This will sign you out and clear all local data, resolving the 391 authentication error. Check for Firmware and App Updates
is a legacy third-party YouTube client specifically designed for older Android-based smart TVs and TV boxes. While it is no longer the most current version—with updates like 6.17.739 available as of mid-2021—it remains a popular "stable" choice for older hardware running Android 4.0 or higher. Key Features of Version 6.17.391
: Specifically built to work on older devices (Android 4.0+ Ice Cream Sandwich) where the official YouTube app may no longer function.
The new version allows you to tweak the user interface: hide the “Shorts” tab, remove suggested videos, or change the default playback speed. It strips away the bloat of the official app, leaving only what you need.
Accumulated system files can corrupt your active application session. Go to > Apps > Smart YouTube TV .