Log into your Roku account at https://my.roku.com using your old email address (it's just a login name at this point). Once logged in you can change your email address. This will update your login name and the email address on your account.
I don't recall Roku taking a phone number.
Roku Community Streaming Expert I am not a Roku employee, only a user like you. Streaming Stick+ 3810 | TCL Roku TV 43S245/C107X | Streaming Stick 3600
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