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
<!--- TODO add buttons to links --->
Download the [latest](https://github.com/meshtastic/meshtastic-device/releases/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`
```bash
pip install --upgrade esptool
```
2. Connect your radio to your USB port
3. Confirm that your device is talking to your Mac by running the following command in Terminal
Warning: ESP32 has no Chip ID. Reading MAC instead.
MAC: 24:6f:28:b5:36:71
Hard resetting via RTS pin...
```
4.`cd` into the directory where you unzipped the latest release. For example:
```bash title="Example"
cd /Downloads/firmware/
```
5. 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.
