Therefore, try this out and check if it helps you. However, users are there who have claimed that after rebooting or power cycling their device, the Discovery Plus app not working issue gets resolved. That’s the reason why we recommend this to you guys.
Fix 3: Check The HDMI Cable

There are possibilities that your HDMI cable may have some fault due to which you are getting this problem. So, you must thoroughly check if the HDMI cable has any cuts or damage.
However, in case there’s something like that, then make sure to replace it with the new one. Also, try switching your HDMI cable port if possible. Then, launch the Discovery Plus app and check if it is now started working or not.
Fix 4: Make Sure The App Is Updated
The developers release regular minor app updates in order to keep the app top of mind for users, as the updates include bug patches, design enhancements, and additions that consumers requested.
Therefore, make sure that your Discovery Plus app is updated or not. So, depending upon your device, you can check out your device’s official website to check the exact steps to check for the app update. Once you update your app, you’ll find that the error automatically gets resolved.
Fix 5: Check Your Internet Connection
The amount of data and information that may be carried over the internet on a single connection at any given time is referred to as internet speed. This is effective for customers since your internet speed affects the types of activities you may do online.
Moreover, you may already know that Discovery Plus is a server-based application that needs good internet speed to connect to its server. Therefore, in order to make sure that your internet is working or not, you have to visit the Ookla speed tester and test your WiFi speed.

After that, if you find that your internet is not working, try power cycling your modem/router. Then, test the speed again. However, if you find that your internet connection still has some issues, then contact your ISP and ask them to resolve the internet problem. So, once the internet starts working, your Discovery app again starts working.
Fix 6: Update Your TV OS
It is possible that your TV OS may be outdated, due to which you are getting the Discovery Plus app not working issue. So, depending upon your device brand, you can follow the steps given below:
For Samsung:
- Initially, you must press the Home button using your remote.
- After that, with the help of the directional pad on your remote and select the Settings option.
- Then, select Support > Software Update > Update Now.
- Then, you must wait while the TV checks for any available updates.
For LG:
- Firstly, navigate to the General Menu. Then, scroll down, locate the about this TV option and click on it.
- After that, checkmark the box next to Allow Automatic Updates.
- Then, tap on the Check For Updates button.
For Sony:
- First of all, tap on the HOME button.
- Then, navigate to the Apps > Help.
- After that, click on the System software update.
- Then, finally, hit the Software update.
Fix 7: Check The Servers
Did you check if the Discovery Plus server is working or not? Well, chances are there that the servers may be under maintenance due to which the app is not working. Therefore, to know if the servers are working, you must hover to the DownDetector/Discovery Plus. Furthermore, you must check if other users are also reported the same error.

Also, we advise you to follow the Discovery Plus officials on Twitter. We recommend you this because the officials always keep their users updated on Twitter. So, if you wish to know information about upcoming programs, shows, events, etc.
If you are still not finding a way to resolve the error, the only option you have is to contact the official support team. So, you can use the given link to land on the Discovery Plus support page and raise your voice on behalf of this issue.

Wrap Up
So, these were some of the fixes to fix the Discovery Plus app not working issue on Samsung, LG, Sony, or any other Smart TV that we have for you in this guide. Therefore, we hope that this troubleshooting article has helped you. However, in case you want to express your thoughts regarding this topic, comment below and let us know.
We have paid our subscription for Discovery+, we pay monthly. We are unable to get the channel on, we have tried different options but it still doesn’t work. If this can not be resolved we’ll have to cancel our subscription.