HGLRC Hermes Antenna Update Guide
About 5 minremote controlELRS固件更新HGLRCHermes高频头WiFi
I. Via WiFi
On your computer, launch ExpressLRS Configurator and select WiFi in the Flashing Method options.
Method 1: Manual Upload via Local WiFi
Important
This method is only available if you have previously flashed or configured your TX module to use your home WiFi SSID and password, and the module is able to successfully connect to that WiFi network.
- On your computer, launch ExpressLRS Configurator, ensure the Official Releases tab is active, and select the Released version to flash to your TX module.

- Select the Device Category and Device target that match your hardware.
- Device Category: HGLRC 2.4 GHz
- Device: HGLRC Hermes 2.4GHz TX

- Set the Flashing Method to WiFi

- Set the firmware options for the device.
- Regulatory Domain (Required, select the domain appropriate for your location or country where you will be flying)
- Binding Phrase (Optional but highly recommended. Note this phrase as it should be the same on your other devices, otherwise they won't bind or sync)
- Local WiFi Network Credentials (Optional. Will be used when the device next enters WiFi mode).

- Click the Build button.

- After the build process is complete, a Temp folder window should pop up.
- Do not close this Temp folder as this is where you will get the firmware file in the subsequent steps.
- If you plan to upload the firmware file later using a phone or tablet, copy the firmware file to your device.
Important
With the release of ExpressLRS 3.3.0 and ExpressLRS Configurator 1.6.0, only one file firmware.bin will be displayed, use this file for the subsequent steps.

7. Press the SYS key on your transmitter, the radio will display the tools menu where you can find the Lua script.
- Older radios or radios with only one menu button must long press the Menu key to access the System Menu.
- Refer to your Radio user manual for instructions on how to access the system menu.
- Scroll down and select ExpressLRS. If you cannot find the script, download the ExpressLRS Lua script and save it to your Radio's SD Card Scripts/Tools/ folder.

- Press Enter to load it, scroll down and select WiFi Connectivity

- Select and press Enable WiFi

- Entering WiFi mode will be displayed, keep this page as is.

- Turn on WiFi on your computer and connect to the transmitter's WiFi, the password is lowercase: expresslrs.

- After connecting to the transmitter's WiFi, your browser will automatically redirect to the firmware flashing webpage. If there is no automatic redirect, manually enter 10.0.0.1 in your browser and press Enter to open the transmitter configuration page. On the configuration page, click Load Firmware, select the downloaded bin firmware file, and flashing will start automatically.

- Until the following popup appears on the webpage, it means the transmitter firmware has been flashed successfully.

- On the transmitter, long press RTN to exit the ExpressLRS Lua script. Then reload it to check the ExpressLRS firmware version and verify that your TX module has been updated.
Method 2: Automatic Upload
This method is only available if you have previously flashed your TX module to use your home WiFi SSID and password, and the module is able to successfully connect to that WiFi network.
Additionally, MDNS must be working properly so that your browser can resolve the address http://elrs_tx.local and load the ExpressLRS Web UI from that address. - Press the SYS key on your transmitter, the radio will display the tools menu where you can find the Lua script.
- Older radios or radios with only one menu button must long press the Menu key to access the System Menu.
- Refer to your Radio user manual for instructions on how to access the system menu.
- Scroll down and select ExpressLRS. If you cannot find the script, download the ExpressLRS Lua script and save it to your Radio's SD Card Scripts/Tools/ folder.

- Press Enter to load it, scroll down and select WiFi Connectivity

- Select and press Enable WiFi

- Entering WiFi mode will be displayed, keep this page as is.

- On your computer, launch ExpressLRS Configurator, ensure the Official Releases tab is active, and select the Released version to flash to your TX module.

- Select the Device Category and Device target that match your hardware.
- Device Category: HGLRC 2.4 GHz
- Device: HGLRC Hermes 2.4GHz TX

- Set the Flashing Method to WiFi

- Set the firmware options for the device.
- Regulatory Domain (Required, select the domain appropriate for your location or country where you will be flying)
- Binding Phrase (Optional but highly recommended. Note this phrase as it should be the same on your other devices, otherwise they won't bind or sync)
- Local WiFi Network Credentials (Optional. Will be used when the device next enters WiFi mode).

- Click the Flash button.

- Wait for the upload to complete. A green success bar will appear in ExpressLRS Configurator.

- On the transmitter, long press RTN to exit the ExpressLRS Lua script. Then reload it to check the ExpressLRS firmware version and verify that your TX module has been updated.
II. External Transmitter Module via UART
Start ExpressLRS Configurator on your computer and select UART in the Flashing Method option.
- Connect your computer to the module using a USB data cable while holding down the boot button on the back of the module. The button's location is shown in the figure below.

- Verify that your transmitter module is correctly detected as a USB to UART device. Windows users can check this in the Ports (COM & LPT) section of Device Manager.
If the TX module is not properly detected, drivers will be required. Common USB to UART chips used in ExpressLRS modules include: CP210x, CH340, and CH9102 (link to driver download page).
You can download drivers from here: https://www.silabs.com/developer-tools/usb-to-uart-bridge-vcp-drivers
- Launch ExpressLRS Configurator on your computer, ensure the Official Releases tab is active, and select the Released version to flash to your TX module.

- Select the Device Category and Device target that match your hardware.
- Device Category: HGLRC 2.4 GHz
- Device: HGLRC Hermes 2.4GHz TX

- Set the Flashing Method to
UART
- Configure the device's firmware options.
- Regulatory Domain (required, select the domain suitable for your flying location or country/region)
- Binding Phrase (optional but highly recommended. Note this phrase as it should be the same on your other devices, otherwise they won't bind or sync)
- Local WiFi Network Credentials (optional. Will be used when the device next enters WiFi mode).

- Click the Flash button.

- Wait for the upload to complete. A green success bar will appear in ExpressLRS Configurator.

- Unplug your transmitter module from USB. Return any dip switches or jumper blocks to their "normal operation" position.
- Reconnect your transmitter module to the external module holder of your RC transmitter.
- Use the ExpressLRS Lua script in the tools menu to verify that the firmware version has been updated.
— This article is referenced from ExpressLRS Getting Started: https://www.expresslrs.org/quick-start/transmitters/hglrc-hermes/#flashingupdating-your-tx-module-firmware