Hello Ricardo,
Please follow the next steps to update your FRDM-K64F firmware with JLINK.
- Unplug the board, press the reset button and hold on it, then plug the cable to the board in J26, release the button.
- You will find the board as a disc named "BOOTLOADER".
- Download the JLINK driver and install it. Link.
- Download the JLINK firmware for the FRDM-K64F. Link.
- Send the bin file to your board disc "BOOTLOADER".
- Once it finished copying the file unplug the cable and plug it again.
Hope it helps!
Victor.
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