ALL Roku streaming devices with IR receptors respond to the same set of IR codes.
Roku TVs (those with Roku capabilities built in) respond to their own different different set of IR codes.
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 4850 | Ultra 4800 | Streaming Stick 4K+ 3821 | TCL Roku TV 43S245/C107X