How do you sign out when it won't even load. Get the spring wheel and nothing else. @Oldyellr wrote: Okay, it looks like nobody here has a solution. But I just got another email from Samsung Support with the following suggestion. "I suggest you to sign out and sign back into the app. To sign out, select Settings [on Amazon account], from the left menu, and then select Deregister your Device. Close the app, reopen, and then enter your credentials to sign back in." That worked! I now have Amazon Prime Videos back and working.
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