Your AT&T remote may not be able to operate your device because it is too old. A newer universal remote may work just fine. My URs have the option to "find" the code by putting the remote in the proper device to operate mode and just pressing the "channel" up/down button until the device turns on or off.
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Your AT&T remote may not be able to operate your device because it is too old. A newer universal remote may work just fine. My URs have the option to "find" the code by putting the remote in the proper device to operate mode and just pressing the "channel" up/down button until the device turns on or off.