This tool allows you to update the bootloader on Bangle.js 2 devices
from within the App Loader.
Firmware updates using the App Loader are only possible on
Bangle.js 2. For firmware updates on Bangle.js 1 please
see the Bangle.js 1 instructions
Your current firmware version is unknown and bootloader is unknown
If you have an early (KickStarter or developer) Bangle.js device and still have the old 2v10.x bootloader, the Firmware Update
will fail with a message about the bootloader version. If so, please click here to update to bootloader 2v12 and then click the 'Upload' button that appears.
The currently available Espruino firmware releases are:
To update, click a link above and then click the 'Upload' button that appears.
Firmware updates via this tool work differently to the NRF Connect method mentioned on
the Bangle.js 2 page. Firmware
is uploaded to a file on the Bangle. Once complete the Bangle reboots and the bootloader copies
the new firmware into internal Storage.
In addition to the links above, you can upload a hex or zip file directly below. This file should be an .app_hex
file, *not* the normal .hex (as that contains the bootloader as well).
DANGER! No verification is performed on uploaded ZIP or HEX files - you could
potentially overwrite your bootloader with the wrong binary and brick your Bangle.