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Bootloader

Updating the Fomu Bootloader

To update your Fomu, download the appropriate -updater dfu release from foboot.

1. Download the board type-updater-v2.0.3.dfu file.

   • If you have a PVT Fomu, download pvt-updater-v2.0.3.dfu.

   • If you have a Hacker Fomu, download hacker-updater-v2.0.3.dfu.

2. Run dfu-util -D pvt-updater-version.dfu.

3. Your Fomu will flash rainbow for about five seconds, then reboot and go back to blinking.

4. To verify it has updated, dfu-util -l and check the version output.

This is an example session for updating a production board:

dfu-util -l
wget https://github.com/im-tomu/foboot/releases/download/v2.0.3/pvt-updater-v2.0.3.dfu -O ~/Downloads/pvt-updater-v2.0.3.dfu
dfu-util -D ~/Downloads/pvt-updater-v2.0.3.dfu
sleep 5
dfu-util -l

Table Of Contents

• Bootloader
  • Updating the Fomu Bootloader

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