Important: Hold the
left button while
plugging in the BLEShark Nano to enter bootloader mode.
- Browser: Use Chrome or Edge on desktop. This page must be served over
HTTPS.
- Cable: Use a data-capable USB cable.
- Enter bootloader: Hold the left button while
plugging your BLEShark Nano to USB, keep holding ~2s, then release.
- Flash: Click "Install Setup Firmware" and pick the serial port when
prompted.
If connection fails, repeat the bootloader step. On Windows,
install the USB-to-UART driver if needed.