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.
Updating ESP32 Firmware
This guide was first published on Feb 26, 2019. It was last updated on Feb 26, 2019.
This page (Updating ESP32 Firmware) was last updated on Jan 15, 2021.