Pokémon B/W/2 are DSi-enhanced games so you should be able to use the 3DS Wi-Fi settings to connect (that's what I do). Don't forget to also manually configure the DNS in that case.
I'm unable to setup a hotspot properly using the official Nintendo Wi-Fi USB Connector. I can connect to it using my Android device, but with my N2DS XL I keep getting error code 51302 or 51099.
FC: 2036 - 9488 - 4680
Games:
Mario Kart 7
Super Smash Bros.
Animal Crossing: New Leaf - Welcome amiibo
Final Fantasy Explorers
Pokémon Y
I can also play some DS games via Wiimmfi if you are interested.
OK so maybe I'm dumb but I don't understand what you mean.
How formatting the SD card could remove leftover/incomplete files while keeping other files?
Yeah this is a somewhat know issue with Super Smash Bros. for Nintendo 3DS. When enabled, it prevents many people from connecting online ("A communication error has occurred").
But I never found out exactly what the problem was with the "Data from Friends" option. Is it possible that one of my...
I may try the new ram site, and download more RAM to my Switch. Not sure if ddr3 is the right ram
for it tho. Edit- no it uses floppy Ram, just like @AncientBoi