@Mamadukes123, remove your email address from you post. Only a scammer will contact you. You can cancel Roku subscriptions by logging into your account at https://my.roku.com . A refund will be hard to get, but you have to start with billing/account support at https://support.roku.com/contactus .
You can edit your post by clicking on the three vertical dots next to your post.
If you post details about what's wrong with your device, maybe we can help you get it working again. Start a new thread in the appropriate category of the Streaming Players section of the "community" if you want to try.
Roku Community Streaming Expert
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