In lieu of a more traditional username system, the Nintendo Switch 2 will still use the friend codes from the previous console, but thankfully, there is an easier way to add friends this time around.
Update [Fri 2nd May 2025, 10:30am]: Nintendo has issued another update for the Nintendo Switch, bringing it up to Version 20.0.1 and therefore fixing Error Code: 2206 ...
New system updates for the Switch 2 and Switch consoles addresses several issues users have encountered, improving the experience.