I'm sorry to hear that you're having this issue.
The code banks are provided by the service provider, and may not have every code for every unit. In some cases, the remotes can learn commands, but I don't know if that's the case in every situation - you'd have to consult the manual or your service provider for those details. Unfortunately, we don't have the ability to add codes to the list of supported devices to their boxes.
I'm having problems getting my Verizon FIOS remote to sync with the Samsung C6500. I've tried the remote codes provided by Verizon for Samsung DVD players, but none of them work. Does anyone know the correct remote code to use to get the Verizon remote to incorporate the Samsung DVD commands? Thanks for any insights you can provide.