Firmware Update

Update Your
ESP-MOSAICO

Flash the latest ESP-Mosaico firmware directly from your browser.

Firmware overview

Mosaico 0.2.2 Nightly

Fixed some bugs and improved stability.

Nightly build

Target: ESP32-S31
Version: 0.2.2 nightly
Build: 2026-08-28
Image: 13 MB · full image

Browser flasher

Get your board ready

Put ESP-Mosaico into download mode, then connect it to continue.

01Connect USB

Connect the board with a USB cable.

02Enter download mode

Hold BOOT while powering on to enter download mode.

03Choose your device

Connect below, then confirm before flashing.

This will clear existing device data. Back up anything important before you start.

Choose firmware to flash

Default firmwareUse the latest version provided by this pagemosaico_0.2.2_20260828_night.binRecommendedLocal firmwareChoose a complete .bin image from your computer

No device connectedWaiting for browser serial permission

Show flash log

Waiting for device…