First Time Firmware Installation Guide
This guide provides step-by-step instructions for installing firmware on a Raspberry Pico using the gatas-rpxxxx.uf2 file.
Step-by-Step Instructions
1. Download the Firmware File
- Visit the GA/TAS Releases page to download the appropriate firmware file (
gatas-rpxxxx.uf2). - Ensure you download the correct version for your Raspberry Pico model:
- RP2040 or RP2350.
2. Prepare the Raspberry Pico
- Hold down the BOOTSEL button on your Raspberry Pico.
- While holding the BOOTSEL button, connect the Pico to your computer using a USB cable.
- Release the BOOTSEL button once connected.

3. Access USB Mass Storage Mode
- The Pico will appear as a USB mass storage device on your computer:
- On Windows, it will appear as a removable drive.
- On macOS and Linux, it will appear as an external drive labeled
RPI-RP2.
4. Flash the Firmware
- Open the
RPI-RP2drive on your computer. - Drag and drop or copy and paste the
gatas-rpxxxx.uf2file into the Pico's drive. - Do not attempt to open or modify the
.uf2file.
5. Automatic Reboot
- Once the file is copied, the Pico will automatically reboot and begin running the new firmware.
- The Pico will disappear from your list of drives, indicating the flashing process is complete.
6. Verify Installation
- After rebooting, the Pico will start running the newly installed firmware.
- A green LED on the Pico will flash once per second, confirming successful installation.
Troubleshooting
Common Issues
- Pico does not appear as a USB drive:
- Ensure you are holding the BOOTSEL button while connecting the Pico to your computer.
- Use a different USB cable (some cables only provide power and do not support data transfer).
Summary of Steps
- Download the
gatas-rpxxxx.uf2file from the GA/TAS Releases page. - Hold down the BOOTSEL button and connect the Pico to your computer.
- Release the BOOTSEL button once connected.
- Copy the
gatas-rpxxxx.uf2file to the Pico's mass storage drive. - The Pico will reboot automatically and run the new firmware.
- Verify the installation by checking the green flashing LED.
For additional support, join the GA/TAS Discord Community.