Since you just bought it, take it back and exchange it for a new one if you can.
If you're in the US and bought it directly from Roku you'll probably have to deal with Roku warranty support: https://support.roku.com/article/208757058
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.
If this post solves your problem please help others find this answer by clicking "Accept as Solution.".
Streaming Stick 4K+ 3821 | Streaming Stick+ 3810 | TCL Roku TV 43S245/C107X
