FIRMWARE FLASHER

Flash SecuraKey firmware to your M5StickC via USB

Flash firmware directly from your browser using Web Serial.

Requires Chrome/Edge 89+. Connect M5StickC via USB-C.

QUICK FLASH

RECOMMENDED

One-click install using ESP Web Tools. Handles partitions, bootloader, and app automatically.

1 Connect M5StickC via USB-C
2 Click "Install" below
3 Select the serial port
4 Wait for flash to complete
Browser not supported. Use Chrome or Edge 89+.
Serial access denied. Check browser permissions.

ADVANCED FLASH

MANUAL

Upload individual binary files and flash to specific addresses. For development/debugging.

BOOTLOADER
No file @ 0x1000
PARTITION TABLE
No file @ 0x8000
FIRMWARE
No file @ 0x10000

SERIAL CONSOLE

SecuraKey Flasher ready. Connect device to begin.