LILYGO T‑Display‑S3

Battery Display Installer

Firmware 12.3 CLIENT
1. Connect the display with a USB cable
2. Click an installation button
3. Select the USB Serial / COM port
Recommended

Update firmware

For an already configured display.

  • Keeps Wi‑Fi and ESP‑NOW settings
  • Keeps brightness and the selected screen
Full reset

Factory installation

For a new display or recovery.

  • Completely erases previous settings
  • Configure the connection from your phone after startup
Waiting0%

Do not disconnect USB or press Reset while flashing.

Open this installer on a computer in Google Chrome or Microsoft Edge. Mobile browsers generally cannot flash the display over USB.
If the port does not appear: disconnect the cable, hold the upper BOOT button, reconnect the cable, and release the button. Then start the installation again. Do not press Reset or disconnect USB while flashing.