SignalBuddy Flasher
Update your SignalBuddy device
Firmware
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Choose a different build
Put the device in download mode:
- Hold BOOT
- Tap RST once
- Release BOOT
- Click Connect and pick the port
Use the USB-C on the bottom of the extension board.
- Desktop only: Chrome / Edge 89+ over HTTPS (Mac, PC, Linux, ChromeOS)
- Android, iOS, Firefox and Safari cannot flash — they don't expose USB serial to web pages