Platform Edition PadBox GS — Phob Firmware Update
Follow these steps to install Phob your Platform Padbox GS :
1. Enter Bootloader Mode
Hold START + SELECT while plugging your Padbox into your PC.
A drive named RPI-RP2 should appear on your computer.
2. Flash Nuke
Copy the file Flash nuke.uf2 into the RPI-RP2 drive.
Wait a few seconds — the window will close and then reappear automatically.
3. Install Firmware
Now copy the attached file phobgcc_rp2040_platpadbox.uf2 into the same RPI-RP2 window.
After a few seconds, the controller will reboot and reconnect as a gamepad.
4. Calibration
To calibrate the analog using the Phob firmware, follow the video below:
- Calibration via Slippi (PC)
- Calibration via Nintendo Switch
(We recommend using Hoja2 on Nintendo Switch)
Before watching the video keep in mind these button combinations:
- To enter Safe Mode, press and hold the following button combination:

- Once in Safe Mode, press and hold the following combination to begin stick calibration:

Download Files
Used to clear existing firmware before flashing the new version.
The latest Phob custom build for Padbox GS.
The download link to the Notched gate can be found in STL files page.