Heltecv3

sudo apt-get update 
sudo apt-get install python3 python3-pip
pip3 install --upgrade esptool
esptool chip_id

download and unzip https://github.com/meshtastic/firmware/releases

[heltec V3 -> firmware-esp32s3 -> firmware-heltec-v3-]

./device-install.sh -f firmware-heltec-ht62-esp32c3-sx1262-x.x.xx.xxxxxxx.bin
./device-update.sh -f firmware-heltec-ht62-esp32c3-sx1262-x.x.xx.xxxxxxx-update.bin