@Thetonyservin-
One-For-All (OFA) brand remotes generally support a wide range of TV brands.
For the OFA URC3660 remote, for instance, code for Bolva is 2397. That number in itself won't help you with a Roku remote, but for this remote, here are the other brands that OFA uses this same 2397 code set for. You might try these brands with your Roku remote to see if you get a code set that works,
Apex Digital
Ario
Avera
Curtis
eTec
Legend
Vidao
Westinghouse
Roku Community Streaming Expert
I am not a Roku employee, only a user like you. Please, no support questions via private message -- post them publicly to the Community where others may benefit as well.
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Ultra 4800 | Streaming Stick 4K+ 3821 | TCL Roku TV 43S245/C107X