Web Flasher

Flash MIA Firmware

Flash MIA directly from your browser — no software install required. Works in Chrome and Edge on Windows, macOS, and Linux.

Connect your device to your computer via USB
Click Flash Firmware below and select your device's serial port when prompted
Wait for the flash to complete (~30 seconds)
Connect to the Mesh Injection Apparatus WiFi AP and open http://192.168.4.1

Heltec WiFi LoRa 32 V3

Firmware v1.0.0 · Latest stable release

Requires Chrome or Edge. Firefox and Safari are not supported (Web Serial API).

Prefer the command line?

Flash using PlatformIO from the source repo:

git clone https://github.com/paperclipsvinny/Meshtastic-Injection-Apparatus
cd Meshtastic-Injection-Apparatus/firmware
pio run -e heltec_wifi_lora_32_V3 -t upload
pio run -e heltec_wifi_lora_32_V3 -t uploadfs

See the full flashing guide for more options.