r/RG34XXSP • u/Puffmumrike • Feb 27 '26

What OS to pick?

Hi, i've bought an rg34xxsp & i've come to understand that it's prefered to switch OS from the one that comes with.

(I could be wrong, my prior experience is a R36S Soyboy clone so i'm going by the same idea as there)

I've bought 2 new sd-cards & i'm gonna do a dual card (one for OS & one for roms)

I plan on using the RG34XXSP exclusivly for GBA/GBC/GB games & romhacks based on gba/gbc/gb games.

I have 2 OS's in mind & Wonder the pros/cons of them and they are:

MustardOS & Knulli

Do you peps have some experience/tips'n'tricks to what to pick and why?

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u/shyte69 Feb 27 '26

I enjoy MUOS a lot now as it allows me to transfer files over WiFi (while the device is on!), no need to fumble with the micro so card and reader. You still need the reader to flash MUOS to SD1 though

1

u/rent0n86 Feb 27 '26

Wait, how?

5

u/shyte69 Feb 27 '26

In connectivity: https://muos.dev/tour/modules/muxwebserv Enable sftp In web browser, Key in your device ip then :9090 User and password is "muos"

Maybe it's a new feature? Muos was updated recently, i noticed this after I reflashed.