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meshtastic/website/docs/getting_started/flashing_firmware/linux.md
Foster Irwin 678c1ad5d5 fixed commands
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linux Flashing Firmware – Linux Linux

:::note To check if you have a data cable that will work, plug in your device and then navigate to Apple Menu  > About This Mac > System Report... > Hardware > USB you should see something like CP210X USB to UART Bridge Controller. :::

Download Firmware

Download the latest firmware release. Unzip the file and locate the correct device and region within the list of prebuilt binaries.

Command Line Instructions

Requires Python and pip

  1. Install esptool
pip install --upgrade esptool
  1. Connect your radio to your USB port
  2. Confirm that your device is talking to your Mac by running the following command in Terminal
esptool.py chip_id

# You should see a result similar to this:
mydir$ esptool.py chip_id
esptool.py v2.6
Found 2 serial ports
Serial port /dev/ttyUSB0
Connecting....
Detecting chip type... ESP32
Chip is ESP32D0WDQ6 (revision 1)
Features: WiFi, BT, Dual Core, 240MHz, VRef calibration in efuse, Coding Scheme None
MAC: 24:6f:28:b5:36:71
Uploading stub...
Running stub...
Stub running...
Warning: ESP32 has no Chip ID. Reading MAC instead.
MAC: 24:6f:28:b5:36:71
Hard resetting via RTS pin...
  1. cd into the directory where you unzipped the latest release. For example:
cd /Downloads/firmware/
  1. Install the correct firmware for your board with :::caution Be very careful to install the correct load for your board. In particular the popular 'T-BEAM' radio from TTGO is not called 'TTGO-Lora' (that is a different board). So don't install the 'TTGO-Lora' build on a TBEAM, it won't work correctly. :::
./device-install.sh -f firmware-BOARD-VERSION.bin

./device-install.sh -f firmware-heltec-EU865-1.2.0.bin
  1. To update a the firmware on an existing Meshtastic device, run
./device-update.sh -f firmware-BOARD-VERSION.bin

./device-update.sh -f firmware-heltec-EU865-1.2.0.bin

Graphical User Interface Instructions