Pico

Instructions

Download the latest udpih_pico.uf2 for the Pico, or udpih_pico2.uf2 for the Pico 2, from the releases page.
Hold down the BOOTSEL button on the board and connect the Pico to your PC.
Your PC will detect the Pi as a storage device.
Copy the .uf2 file to the Pico. It will disconnect after a few seconds.

The Pico is now flashed and can be used for udpih. Continue with "Booting the recovery_menu".