To use Zattoo reliably on your Samsung Smart TV, make sure both the Zattoo app and your TV software are up to date.
Follow the steps below in the given order. Only move on to the next step if the issue persists.
Note: Menu names may vary slightly depending on your TV model and Tizen version.
Table of contents
1. Important note on device support
Zattoo supports Samsung Smart TVs running Tizen 2.3 or higher. Older operating system versions are no longer supported. Issues on unsupported devices cannot be resolved.
2. Fully close the Zattoo app
Open the Zattoo app.
Press and hold the Back button on your remote for 8–10 seconds.
This will completely close the app.
Then reopen the app.
3. Restart the TV (soft reset)
Restarting often resolves temporary issues.
Unplug the TV from power for at least 60 seconds.
Plug it back in and turn it on.
Optional (on many models):
Press and hold the Power button on the remote for about 5 seconds until the TV restarts.
4. Update the Zattoo app
Open the Smart Hub.
Open Apps.
Search for Zattoo.
Install an update if available.
5. Delete and reinstall the Zattoo app
Open the Smart Hub.
Open Apps.
Select Zattoo.
Choose Delete or Uninstall.
Restart the TV.
Reinstall the app from the Samsung App Store.
6. Update the TV software
Go to Settings → Support → Software Update.
Select Update Now.
Restart the TV after the update.
7. Optimise your network connection (LAN recommended)
For stable streaming, we recommend using a wired LAN connection (Ethernet) if possible. A wired connection is generally more stable than Wi-Fi.
If you are using Wi-Fi:
Use the 5 GHz band if available.
Place the router as close as possible to the TV.
Restart your router.
Test another network (e.g. mobile hotspot).
Please note:
Public or hotel Wi-Fi may block or restrict streaming.
Mesh systems can sometimes cause connection switches depending on configuration.
For more details, see our Improve streaming quality article.
8. Disable VPN, proxy or DNS filters
Zattoo may be blocked if your connection is routed through services that mask or redirect your IP address.
Disable any active VPN or proxy (including router-level VPN).
Check whether DNS filters (e.g. Pi-hole or ad blockers) are active and disable them for testing.
Restart both your router and TV.
9. Change DNS settings
If connection issues continue, you can test a different DNS server.
Go to Settings.
Select General → Network.
Choose Network Status.
Open IP Settings.
Set DNS Setting to Enter manually.
Enter 8.8.8.8 as the DNS server.
Restart the TV and test Zattoo again.
10. Reset Smart Hub
This step can resolve various app or installation issues.
Note: Resetting Smart Hub will remove installed apps. You can reinstall non-preinstalled apps afterward.
To reset Smart Hub:
Press the Home button on your remote.
Open Settings (gear icon).
Select Support.
Choose Self Diagnosis → Reset Smart Hub.
Enter the security PIN.
If it hasn’t been changed, the default PIN is 0000.Confirm with Yes.
The TV will restart and Smart Hub will be reset.
11. Reset the Samsung Smart TV to factory settings
If none of the previous steps resolve the issue, you can reset the TV completely.
Go to Settings → General → Reset.
Confirm the reset.
Note: This will remove all settings and installed apps.
12. Contact support
If the issue persists, please contact us via the contact form and provide:
Samsung TV model (exact model name)
Installed Tizen version
Installed Zattoo app version
Your Zattoo email address
A short description of what happens and which steps you have already tried
This helps us analyse the issue more precisely.
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