When I sign in to my tv provider with my user name and password, I get an error message “unhandled exception”

Try restarting your phone. If you keep getting an error, contact your TV provider for help.

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I'm not pointing fingers at anyone. I'm a user like you. I can't say how to handle it from there, but I don't know exactly what your error is. Have you verified that you can log into your provider's web access? So it is hard to say if the error is based on your attempt to log in, or your provider's handling of the request. Does this happen on wi-fi, cellular data, or both?

My wife has Samsung note and is able to sign into our tv service provider but i can’t with my iPhone 12 or my iPad. Rebooted both..done several resets. I’ve called apple..Verizon and my service provider. You all just point fingers at one of the other two companies. Think I just need to switch to Samsung.

Who’s your tv provider and cellular provider?

DirecTV and AT&T.

Thank you…I have Verizon and Mediacom…so this narrows it to a apple issue.

I’m able to log in on wi-fi but not cellular. I’ve contacted my tv service provider plus Verizon and apple. Another guy on here has a different tv provider and has att.