Error Code 21-51
21-51 errors can occur for a number of reasons, but it's normally after making a programming change or attempting to record a show.
We want to get you back to watching as quickly as possible, so try the steps listed below to resolve this error.
Update the Sling TV app on your device. Click on the link below to view device specific troubleshooting steps, including:
- Clearing Cache on your Device/ Browser
- Updating the Sling App
- Relaunching the Sling App
- Restarting a Device
- Reinstalling the Sling App
- Moving the Sling App on your Device App Ribbon
Turn your device off & back on again, or follow device specific restart instructions. Click on the link below to view device specific troubleshooting steps, including:
- Clearing Cache on your Device/ Browser
- Updating the Sling App
- Relaunching the Sling App
- Restarting a Device
- Reinstalling the Sling App
- Moving the Sling App on your Device App Ribbon
If you’re unable to resolve the error using the other steps listed above, please take note of the following information before contacting us:
When the error occurred (when selecting a show, in the middle of watching, etc.)
What type of program you were watching (live, on-demand, DVR recording)
What device you were using (browser, mobile app, streaming device)
When you're ready, click on the chat icon on your screen below and select the option to "TROUBLESHOOT" If our Chatbot is not able to resolve the problem, you will be connected to a live chat representative.
Not finding what you're after?
- Try using the Search Bar above to locate your answer. Search with one-word terms such as "DVR" or "account."
- Our Chatbot can solve many problems 24/7. Click the Chat icon on your screen to begin.
- Visit our Troubleshooting & Technical Issues page to find answers to FAQs and solutions to common problems.
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