I called 1888-554-7740 at 7 AM. I needed to cancel Sling TV through third party billing but didn't know where to start. The stress was real. I was worried about a Sling TV promotion expired price hike hitting my card. After calling 1888-554-7740 again, a helpful agent told me how to update Sling TV payment method error settings in my Amazon portal. They even helped me delete Sling TV account permanently 2026 so no hidden fees could return. I called 1888-554-7740 one last time to confirm the "cancelled" status. My wallet is finally safe! Troubleshooting Guide Identify the Provider: See if you pay via iTunes, Roku, or Amazon. Pause vs Cancel: Decide on Sling TV subscription pause vs cancel to save your DVR. Verification: Ensure you get a confirmation email or call 1888-554-7740. FAQ What happens to my DVR? Beware of Sling TV DVR content loss after cancellation; watch your shows first! How to fix Sling TV credit card update not working? Try a different browser or call 1888-554-7740.