There may come a time when you want to update the firmware on the ESP32 itself. This isn't something we expect you'll do often if at all, but its good to know how if you need to.

We have a guide here which details the process of updating the ESP32 firmware on Airlift All-in-One boards (including the PyPortal, MatrixPortal, and Metro M4 AirLift) here...

This guide was first published on Sep 28, 2020. It was last updated on Sep 28, 2020.

This page (Updating ESP32 Firmware) was last updated on Feb 26, 2019.

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