ES-DE Frontend Free plan 9.2 Visit MustardOS
muos.dev
Spec sheet
- Product
- MustardOS (muOS) is custom firmware primarily for handheld devices.Read 7 Oct 2026 · muos.dev
- Audience
- MustardOS says it is designed for both people new to handhelds and experienced enthusiasts.Read 7 Oct 2026 · muos.dev
- Support
- The site points users to its Discord and community forum for assistance.Read 7 Oct 2026 · muos.dev
- Default credentials
- The Filebrowser guide gives the default username and password as muos and muos.Read 7 Oct 2026 · muos.dev
- Device support
- The supported-device page lists handhelds from Anbernic and TrimUI, including RG35XX and TrimUI Smart Pro models.Read 7 Oct 2026 · muos.dev
- Emulation
- The documentation lists supported systems and cores including RetroArch and ScummVM.Read 7 Oct 2026 · muos.dev
- File access
- The built-in Filebrowser can be accessed through a browser on the same local network after enabling SFTP + Filebrowser.Read 7 Oct 2026 · muos.dev
- Funding
- The project accepts one-off donations and subscriptions to support software, hardware, and development accessories.Read 7 Oct 2026 · muos.dev
- Installation
- Installation uses an image flashing tool to write MustardOS to an SD card, which is then inserted into the handheld.Read 7 Oct 2026 · muos.dev
- Personalization
- The firmware is configurable and themeable, with options to customize its look, style, and behavior.Read 7 Oct 2026 · muos.dev
- Project origin
- The site describes MustardOS as having begun as a small personal hobby project that grew into a community project.Read 7 Oct 2026 · muos.dev
- Project team
- The crew page identifies XongleBongle as the lead developer behind MustardOS.Read 7 Oct 2026 · muos.dev
- Storage caveat
- The Syncthing guide says its Watch for Changes option works only on FAT32 partitions and should be disabled for exFAT.Read 7 Oct 2026 · muos.dev
- Sync and backup
- The Syncthing guide describes syncing the MustardOS save folder to a PC as a backup method.Read 7 Oct 2026 · muos.dev
Plans and prices
Artificer $6 a month $6 per month testing crew preview access · weekly testing updates · special Discord access Read 7 Oct 2026 · muos.dev
Knight $9 a month $9 per month exclusive testing group · weekly testing updates · name on credits screen · special Discord access Read 7 Oct 2026 · muos.dev
Hero $12 a month $12 per month nightly development exclusives · name on credits screen · special Discord access · behind the scenes Read 7 Oct 2026 · muos.dev
Where Specifiction places it
- Emulation Frontends#18 of 257.3
