Hi my name is Roety,
I can help you with your issue ,
Make sure you have the latest firmware upgrade from Samsungs website!
Also weak signal can cause this if using air signal raise or connect a better antenna
If I have helped you with your issue please click accept.
If you have more questions you can still respond until this post expires,
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Thanks I’m happy to help further over the phone at
https://www.6ya.com/expert/eric_ab7c09ec01841771