Hi this is my first post to this forum. So my Wii U has been stuffing up since the update. It keeps turning itself on several seconds after I turn it off and it keeps coming up with error code 103-4199 when I try to register a new internet connection and it says I haven't registered one which I have. So I was wondering if there was any easy way to back up or copy save data to a new Wii U since I might get an exchange since this one is not working.
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