Best for full recovery, repair, and model bundles.
standalone apps
Download the companion for your device.
Choose the guided maintenance app for your computer or phone. The companions handle signed firmware work, recovery, and model transfer without sending your transmitter data to SourceTX.
Use a data-capable OTG adapter and cable.
Versions and download links update from GitHub.
Remove drive and RF power before maintenance.
choose your companion
Standalone downloads
Use these apps for the complete guided workflow: factory installation, updates, recovery, and model backup or restore. The browser alpha is available separately for supported desktop USB work.
DESKTOP / USB
Windows Companion
The maintenance desk for a supported ESP32-S3 transmitter.
- Install a signed factory image on a blank supported board.
- Update or repair firmware with exact chip and flash preflight.
- Back up the active model or every configured model as a bundle.
- Restore only after schema, checksum, and transmitter acknowledgement.
ANDROID / USB OTG
Android Companion
A phone-first path for signed maintenance and model backups.
- Install the verified factory image on the official 4 MB target.
- Download signed stable updates while preserving model storage.
- Export and validate .stxm or .stxb backups.
- Works without analytics, accounts, or uploaded model data.
Android or Windows not what you need? Try the browser alpha from desktop Chrome or Edge over HTTPS for direct USB firmware installation and hardware-profile configuration. Read the USB installation and recovery guide before a first installation.