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284 lines
6.8 KiB
Plaintext
284 lines
6.8 KiB
Plaintext
---
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id: flashing-esp32
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title: Flashing ESP32 devices firmware
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sidebar_label: CLI Script - ESP32 devices
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pagination_prev: getting-started/flashing-firmware/flashing-firmware
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pagination_next: getting-started/first-steps/first-steps
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sidebar_position: 3
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---
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import Tabs from '@theme/Tabs';
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import TabItem from '@theme/TabItem';
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:::caution
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Make sure not to power the radio on without first attaching the antenna! You could damage the radio chip!
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:::
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## Prerequisites
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### Device connectivity
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Ensure your computer is communicating with the device correctly by following [these instructions](/docs/getting-started/flashing-firmware/).
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### Download Latest Firmware
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Firmware can be downloaded from the [Downloads](/downloads) page. Your initial installation has to happen over USB from your Mac, Windows, or Linux computer. Over the air updates are currently only available using the Android application after this initial installation.
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:::note
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The [T-Beam 0.7](/docs/hardware/supported/tbeam#t-beam---v07) board is an earlier version of the T-Beam board, and due to changes in the design in subsequent iterations this board uses a specific firmware file different from the other T-Beam boards.
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`firmware-tbeam0.7-1.x.x.bin` is the correct firmware. `firmware-tbeam-1.x.x.bin` is incompatible. For all other [T-Beam](/docs/hardware/supported/tbeam) boards `firmware-tbeam-1.x.x.bin` is the correct selection.
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:::
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## Command Line Interface Instructions
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<Tabs
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groupId="operating-system"
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defaultValue="linux"
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values={[
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{label: 'Linux', value: 'linux'},
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{label: 'macOS', value: 'macos'},
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{label: 'Windows', value: 'windows'},
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]}>
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<TabItem value="linux">
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### Install Prerequisite Software
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Check if you have `python3` and `pip` installed with the following command
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```shell
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python3 --version
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pip3 --version
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```
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If `python3` is not installed, install with
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```shell
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sudo apt-get update
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sudo apt-get install python3
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```
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If `pip` is not installed, install with
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```shell
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sudo apt-get install python3-pip
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```
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### Install `esptool`
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```shell
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pip3 install --upgrade esptool
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```
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</TabItem>
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<TabItem value="macos">
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### Install Prerequisite Software
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OS X comes with `Python 2.7` installed, but not `pip`. The following uses Homebrew to install `python3` which includes `pip3`. On MacOS you will use `pip3` instead > of `pip`.
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:::note
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Check if you have Homebrew installed with the following command
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```shell
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brew -v
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```
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If it's not installed, follow the instructions on the [Homebrew website](https://brew.sh) before continuing.
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:::
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Check if you have `python3` and `pip` installed with the following command
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```shell
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python3 --version
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pip3 --version
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```
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If `python3` is not installed, install with
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Install Python3
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```shell
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brew install python3
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```
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Confirm `pip3` was installed alongside `python3`
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```shell
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pip3 -v
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```
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### Install `esptool`
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```shell
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pip3 install --upgrade esptool
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```
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</TabItem>
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<TabItem value="windows">
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- Download and install [Python](https://www.python.or). When installing, make sure to click `Add Python X.Y to PATH`.
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- Download and install [Gitbash](https://gitforwindows.org) (or other appropriate shell) and run all subsequent commands from that shell.
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:::note
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Confirm installation of `python` & `pip` with the following commands.
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```shell
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py --version
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```
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```shell
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pip --version
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```
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:::
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### Install `esptool`
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```shell
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pip install --upgrade esptool
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```
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</TabItem>
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</Tabs>
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### Confirm Communication With Chip
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<Tabs
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groupId="operating-system"
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defaultValue="linux"
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values={[
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{label: 'Linux', value: 'linux'},
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{label: 'macOS', value: 'macos'},
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{label: 'Windows', value: 'windows'},
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]}>
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<TabItem value="linux"></TabItem>
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<TabItem value="macos">
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:::important
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On MacOS, you may need to explicitly declare esptool as a .py script. Use `esptool.py chip_id`.
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:::
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</TabItem>
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<TabItem value="windows">
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:::important
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On Windows, you must explicitly declare esptool as a .py script. Use `esptool.py chip_id`.
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:::
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</TabItem>
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</Tabs>
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Connect the radio to your computer using a data USB cable. Confirm your device is talking to your computer using the following command:
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```shell title="Command"
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esptool chip_id
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```
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```shell title="Expected Output"
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# You should see a result similar to this:
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mydir$ esptool chip_id
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esptool.py v2.6
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Found 2 serial ports
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Serial port /dev/ttyUSB0
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Connecting....
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Detecting chip type... ESP32
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Chip is ESP32D0WDQ6 (revision 1)
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Features: WiFi, BT, Dual Core, 240MHz, VRef calibration in efuse, Coding Scheme None
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MAC: 24:6f:28:b5:36:71
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Uploading stub...
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Running stub...
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Stub running...
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Warning: ESP32 has no Chip ID. Reading MAC instead.
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MAC: 24:6f:28:b5:36:71
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Hard resetting via RTS pin...
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```
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### Navigate to Firmware
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`cd` into the directory where you unzipped the latest release. For example:
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```shell title="Example"
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cd ~/Downloads/firmware/
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```
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### Install/Update Firmware
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Install or Update the device that you have by using the following commands according to your operating system:
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:::caution
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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.
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:::
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<Tabs
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groupId="operating-system"
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defaultValue="linux"
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values={[
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{label: 'Linux', value: 'linux'},
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{label: 'macOS', value: 'macos'},
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{label: 'Windows', value: 'windows'},
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]}>
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<TabItem value="linux">
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#### Install
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```shell title="Command"
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./device-install.sh -f firmware-BOARD-VERSION.bin
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```
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#### Update
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```shell title="Command"
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./device-update.sh -f firmware-BOARD-VERSION.bin
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```
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</TabItem>
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<TabItem value="macos">
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#### Install
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```shell title="Command"
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./device-install.sh -f firmware-BOARD-VERSION.bin
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```
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#### Update
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```shell title="Command"
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./device-update.sh -f firmware-BOARD-VERSION.bin
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```
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</TabItem>
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<TabItem value="windows">
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#### Install
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```shell title="Command"
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device-install.bat -f firmware-BOARD-VERSION.bin
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```
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#### Update
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```shell title="Command"
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device-update.bat -f firmware-BOARD-VERSION.bin
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```
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</TabItem>
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</Tabs>
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### Select Firmware
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Browse to the previously downloaded firmware and select the correct firmware based on the board type and frequency.
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:::caution
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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. If you flash the incorrect firmware: It may appear to flash correctly, but if your device has a screen it might stay blank. On-board radio peripherals might be damaged because of GPIO pin direction, but you should just try to flash with the correct version.
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:::
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### Flash Firmware
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Select `Flash ESP`. It may take a minute or two. Once complete, "Done! Flashing is complete!" will be shown.
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## Over the Air Update Instructions
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OTA updates are only currently available on Android.
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<!--- TODO --->
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