Copy files to muOS over Wi-Fi: SFTP, Filebrowser or Wi-Fi Transfer
Taking the SD card out of a handheld every time you add a game gets old fast, and it wears out the card slot. muOS can share its cards over Wi-Fi instead. This guide shows the three ways to do it, what each is good at, and the login details you need.
Tested on: Anbernic RG40XXH · muOS 2601.0 Jacaranda · Wi-Fi Transfer 2.0.1.
Which one to use
| SFTP | Filebrowser | Wi-Fi Transfer | |
|---|---|---|---|
| Comes with muOS | yes | yes | free app, install it once |
| On the PC or phone you need | an SFTP app (FileZilla, WinSCP, Cyberduck…) | a browser | a browser (or scan a QR code) |
| Log in with | muos / muos |
muos / muos |
a PIN shown on the handheld |
Sorts games into the right ROMS folder |
no | no | yes |
| Full backup of SD card 1 | no | no | yes |
| Best for | big copies, syncing folders | quick changes from any browser | adding games, phones, backups |
All three only work while the handheld and your PC or phone are on the same Wi-Fi network.
First: turn on Wi-Fi and find the address
- Configuration → Connectivity → Wi-Fi Network: connect to your Wi-Fi.
- Note the handheld’s address, for example
192.168.1.23. muOS shows it on the Web Services screen once the handheld is connected.
Option 1: SFTP
- On the handheld: Configuration → Connectivity → Web Services, turn on SFTP + Filebrowser.
- On your PC, open an SFTP app and connect with:
| Protocol | SFTP (not FTP) |
| Host | the handheld’s address, e.g. 192.168.1.23 |
| Port | 2022 |
| User / password | muos / muos |
You’ll see four folders:
| Folder | What it is |
|---|---|
SD1 (mmc) |
SD card 1: ROMS, ARCHIVE, BACKUP and muOS’s own MUOS folder |
SD2 (sdcard) |
SD card 2 (empty if there’s no second card) |
USB (external) |
a USB drive, if one is connected |
MUX (internal) |
muOS’s system files: leave these alone |
Drag files into SD1 (mmc)/ROMS/<system>. Which folder name goes with which system is in muOS ROM folder names.
Good to know: this connection is for files only. Logging in with ssh on port 2022 doesn’t give you a command line (that’s the separate Secure Shell service).
Option 2: Filebrowser in your browser
With SFTP + Filebrowser turned on, open http://<address>:9090 in a browser on your PC or phone (for example http://192.168.1.23:9090) and log in with muos / muos. You can browse both cards, upload, download, rename and delete. Nothing to install, but you have to find the right folder yourself.
Option 3: Wi-Fi Transfer
Wi-Fi Transfer is our free, open-source app made for this job.
- Open Applications → Wi-Fi Transfer. It shows a QR code, an address and a PIN.
- Scan the QR code with your phone, or type the address into a browser on your PC, and enter the PIN.
- The SD card 1 and SD card 2 tabs show each card. Add games puts each game in the right folder by itself (
.gba→ROMS/GBA,.sfc→ROMS/SNES…), and.muxappapps go toARCHIVE.
It can also download whole folders as a .zip (your saves, for example) and make a full backup of SD card 1. The PIN is new each time you start the app, and the page stops working when you quit it (unless you leave it running in the background with X).
Keep it on your home network
The SFTP and Filebrowser login is the same on every muOS handheld (muos / muos). Only turn them on at home, and turn them off again in Web Services when you’re done, especially before using public Wi-Fi.
Troubleshooting
- The connection times out: check that the handheld is awake and on the same Wi-Fi, that the service is on, and that you typed the right address and port (2022 for SFTP, 9090 for the browser).
- “Connection refused” on port 21: your app is trying FTP. Choose SFTP and port 2022.
- The address stopped working: your router may have given the handheld a new one. Check it again in Configuration.
- Games copied but not shown: the folder name may not be one muOS recognises. See muOS ROM folder names.
Summary
- SFTP: port 2022,
muos/muos, any SFTP app. - Filebrowser:
http://<address>:9090,muos/muos. - Wi-Fi Transfer: open the app, scan the QR code, enter the PIN; games sorted for you.
Sources: muOS documentation: Web Services and SFTP + FileBrowser. Ports and logins checked on an RG40XXH with muOS 2601.0.
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PocketKode is not affiliated with muOS or Anbernic.