Update your device firmware in 1 click, no coding required. Powered by ESP Web Tools.
Step 1 - Plug in your device
Use a USB-C cable to plug in your device to your computer. The TRMNL branded cable works great if you purchased one.
If you experience an error below, see Troubleshooting.
Step 2 - Enter 'Flashing mode'
Step 3 - Select your device
And the firmware version you want to install
Step 4 - Flash firmware
Step 5 - Restart your device
Troubleshooting
If you see an error like the example below, your USB-C cable may only be capable of charging devices (not data transfer). Alternatively, your device may not yet be in "flashing mode." Repeat Step 2 or see this guide.