apparently there's some bugs, or just human error,or i called it lazy to read idk. But when i try logging out my opera account on both pc and android, and try linked the flow with qr code its working, like its that simple, then why we need to sign up for opera's account then?
Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).