Tashreef Shareef is a software program developer turned tech writer. He uncovered his interest in an innovation after analysis a tech magazine accidentally. Now he writes around everything technology from windows to iOS and also streaming services...Read more
Seeing the dreaded Sling TV authorization error indicates that you won"t have the ability to log right into your account normally.To settle this problem, update the application and also check because that any maker issues.

You are watching: Sling error 21-20


*
*
*
*
*
*

Close the Sling TV app.Launch Google beat Store.Go come My Apps and open Sling TV app.Click upgrade to lug the update process.

LG TV


Press the Home button on her TV remote.Select Settings > every Settings.Choose the General tab.Scroll down and also select About this TV.Make certain the Allow automatically update is checked.Click top top Check because that updates.

If you space watching Sling TV making use of a internet browser, make sure the browser is approximately date and has the latest variation installed. You deserve to update the browser by walking to food selection > About.

4. Carry out a power cycle


Power off your streaming device. Skip these measures if you are using a smartphone.Turn off your WiFi router and also modem.Disconnect the cords indigenous the power outlet.Leave the gadgets idle because that a couple of minutes.Reconnect the cables and also power ~ above the devices.Launch the Sling TV app and check if the error is resolved.

Additionally, inspect for the business outage. Many of the time, authorization errors are resolved immediately after 24 hours. If you room unable to solve the issue even ~ trying every the steps noted in this article, contact Sling TV support.

See more: Motorola Droid Ultra Vs Droid Maxx (Xt1080M), Compare Motorola Droid Ultra Vs

Another viable solution would it is in to shot another streaming company to watch the TV show or movie you want. A regimen with a responsive style and contemporary capabilities that permit you to access the contents from many devices might prevent this form of error.

Get Disney+

The Sling TV authorization error have the right to occur because of temporary issues and also typically resolves in 24 hours. However, if the worry persists, follow the steps provided above to see if that helps you fix the error.