Flash firmware

Pick your chip, choose a firmware release, and write it. Files are checked against the chip before anything is written.

1. Choose your chip

ESP32-S3Flash over Web SerialESP32-S2Flash over Web SerialRP2350Flash over WebUSBRP2040Flash over WebUSB

To enter the bootloader, hold BOOT while plugging the board in (or hold BOOT, tap RESET, release BOOT).

Source

Release file

Or use a local .bin file

Erase the entire flash first (removes all passkeys and settings on this board)

Choose a release file or a local file in step 2.

No board seen

Plug in the board and click Find board. Allow the device once so Keyzforge can watch it.