# Enter bootloader mode manually

Assuming J3 pins 9–11 are connected to allow manual entry into bootloader mode or a hardware reset via the RESET button. Flash application images by following the button sequence shown below:

1. Press and hold the BOOT (left) button.
2. Press and release the RESET (right) button while still holding BOOT.
3. Finally, release the BOOT (left) button.

Last Published: May 06, 2026

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