Whilst setting up my newly purchased 2nd hand Xbox one X I accidentally put the current...

The birthdate entered when creating an Xbox account cannot be changed. It will always use the date entered during creation. If you haven't really used that account yet, I would just start over with a different new account.

Hello, first it's a pleasure to be able to help you today.

My name is welcome to the community.

Hello Gaffdoog, you are referring to the date on the console or the date in your Microsoft account, because if it is on the console you can go in Settings»System»Time and put the automatic option on the console and it when connecting to the internet will sync correctly.

If you are referring to the date in your account, you must change it by the link below by logging in with your account.

https://account.microsoft.com/profile

I accidentally purchased shark cards for xbox series x instead of xbox one which im currently on is there a possibility of refund?

If you currently only have one console in your household and wish to purchase a 2nd one. You will be able to share your subscriptions with the 2nd console.

You will need to gameshare with the 2nd console. Check the link below to see how to set up gamesharing between 2 consoles.

https://support.xbox.com/games/game-setup/my-home-xbox

I would like to know if I could put my current Xbox one acount on to the new Xbox series x. Follow up question can I do this to put some of my owned games on the new Xbox series x.