YouTube Keeps Logging Me Out on Samsung Smart TV After the 2026 Update

If you've recently updated your Samsung Smart TV and now find yourself getting signed out of YouTube every few minutes, you're not alone. This issue spiked noticeably after the latest firmware rollout, and it's frustrating enough to make you want to throw the remote across the room.

Here's what's actually going on, and how to fix it without resetting your entire TV.

 
Why This Is Happening

The short version: the 2026 Tizen firmware update changed how Samsung TVs handle cached authentication tokens for third-party apps. YouTube relies on a locally stored session token to keep you logged in, and the update appears to be clearing or corrupting that token faster than it should — sometimes within minutes of signing in.

This isn't a YouTube-side bug. It's a conflict between Samsung's updated app sandboxing and YouTube's token refresh cycle.

 
Common Fixes (Try These First)

Restart the TV — Hold the power button for 5 seconds, not just a quick press. A soft restart often doesn't clear the cache properly.

 
Clear YouTube app cache — Go to Settings > Apps > YouTube > Clear Cache. Don't clear data unless the steps below don't work, since that removes your saved preferences too.

 
Update the YouTube app separately — Even after a system update, the YouTube app itself might be a version behind. Check Settings > Apps > YouTube > Update.

 
Check your TV's date and time settings — Sounds unrelated, but authentication tokens are time-sensitive. If your TV's clock drifted after the update, login sessions can expire almost immediately.

If none of these stick, keep reading.

 
Pro Tip: The Network Profile Trick

Here's the fix that actually worked when the steps above didn't: delete the TV from your Google Account's connected devices list, then re-add it manually instead of using the on-screen QR code.

1. On your phone or computer, go to your Google Account > Security > Your devices

2. Find your Samsung TV in the list and remove it

 
3. On the TV, open YouTube and choose "Sign in" again

 
4. Instead of scanning the QR code, select "Sign in with TV code" and enter the code manually at youtube.com/activate from a separate browser

This forces YouTube to issue a completely fresh authentication token rather than reusing a partially corrupted one carried over from the QR-based session. Several users in Samsung's community forums confirmed this resolved the repeated logouts even after the standard fixes failed.

 
If You're Still Getting Logged Out

A small number of users have reported that a factory reset of just the YouTube app (not the whole TV) was necessary. To do this:

 
1. Settings > Apps > YouTube

 
2. Select "Clear Data" (not just cache — this removes the corrupted token entirely)

 
3. Reinstall the app from the Samsung Smart Hub if it doesn't automatically restore

 
4. Sign in fresh using the TV code method above

This is a more drastic step, so try it only after the other fixes haven't worked.

 
Bottom Line

This is a known side effect of the 2026 Tizen update interacting with YouTube's session handling — not something wrong with your account or your internet connection. The TV-code re-authentication method resolves it for most people without needing a full reset.

If you've found another fix that worked for you, drop it in the comments — it helps the next person scrolling through this at midnight trying to watch one video.

Last updated: June 2026. Steps may vary slightly depending on your TV model and firmware version.