After your topic, I checked my wi-fi card too. There was some oxidation and corrosion on the socked. Unfortunately, some metal was eaten and I could not fix my issue. I need soldering to replace the eaten metal.
Hello, I am new to a 3DS and to your forum. Please forgive my ignorance. I have been searching for this problem online but I could not find any solution.
My console : old 3DS XL
Verison: Sys 11.15.0-47E
CFW : Luma3DS v10.2.1
Problem : DS multiplayer option does not work,
DS multiplayer was...