Australia is currently in the process of phasing out 3g, which is annoying cause a 3g hotspot is the only way I can consistently get my 2ds connected to the internet
Hu? Hotspot is wifi, so what Generation of mobile Network is used should not impact that. The problem with DS would only be wpa2 not supported, but that does not matter, if you do not set a password.
How do test if it has internet? Nintendo has shut down eShop and online play, so those features are expected not to work. (If you don’t know someone running a reverse engineered servers like pretendo, and set DNS of 3ds accordingly)
I have two 3ds in my wpa2 network (should have written wpa3 in comment prior, got confused, only OG DS does not support wpa2) and they connect to the internet very well (with only 500k down 😂 but it is enough to download games (😜from the source where there are still some available) over night)
Maybe your phone only uses 5GHz wifi if internet speed is good enough that it is worth it. There is usually a switch that is called something like maximum compatibility where it turns WiFi down to 2.4GHz
Well, it does not matter if the country has no 2G. The thing is, that your phone is 2G compatible. They tell the phone something like “ehh, at this spot we have only 2G roaming” and phone is like “sure, let’s downgrade to 2G”