RP2040 Firmware Uploader v1.2

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1. Connect Device

Select your RP2040 device via serial port

No device selected
Status: Ready to connect

2. Start Bootloader

Reboot device into BOOTSEL mode

Serial port will disappear when successful.
Status: Waiting for device connection...

3. Confirm/Pick Drive

After reboot, device appears as RPI-RP2 drive

No drive selected
Status: Waiting for reboot...

4. Upload Firmware

Select and upload UF2 firmware file, either local or from a URL

No file selected

...OR...

Not ready
Status: Waiting for drive selection...