IMRC Ghost

Video Guide(10 min):

1. Carefully disassemble your TX Module to get access to the mainboard.

2. Connect your STLink V2 dongle to the pads shown in the images below:

   • Wire 3.3v, GND, CLK, and DIO to their respective pins on your part from the StLink. (You can power with the StLink but in the second image, the radio is used to power the module).

   

   

3. Connect your STLink V2 dongle to your Computer's USB Port. Make sure it is being detected correctly.

4. Before flashing, disable 'Readout Protection'. To do this, download the ST-LINK Utility and follow this quick how to video. After such, you can now disconnect (Target -> Disconnect) and close the ST-Link Utility.

5. Launch the ExpressLRS Configurator on your Computer.

   • Make sure Official Releases is active from the horizontal tab.
   • Ensure you select the Released version you want to flash into your TX module.

   
   

6. Select the Device Category and Device target matching your hardware.

   • Device Category:

     • ImmersionRC 2.4 GHz

   • Device:

     • Ghost 2.4GHz TX
     • Ghost Lite 2.4GHz TX

7. Set the Flashing Method to STLink

   

8. Set the firmware options for your device.

   • Regulatory Domain (Mandatory. Choose the domain appropriate for the location or country you're flying).
   • Binding Phrase (Optional, but Highly Recommended. Note this phrase as it should be the same on your other devices, or they will not bind or sync).

9. Click the Flash button.

   

10. Wait for the process to finish. A Green Success bar will show up in the ExpressLRS Configurator.

11. Disconnect the STLink V2 dongle from the TX Module PCB and reassemble the module.

12. Reattach your TX Module into your Radio and, using the ExpressLRS Lua Script, verify if the firmware version has been updated.

1. Launch the ExpressLRS Configurator on your Computer.

   • Make sure Official Releases is active from the horizontal tab.
   • Ensure you select the Released version you want to flash into your TX module.

   
   

2. Select the Device Category and Device target matching your hardware.

   • Device Category:

     • ImmersionRC 2.4 GHz

   • Device:

     • Ghost 2.4GHz TX
     • Ghost Lite 2.4GHz TX

3. Set the Flashing Method to Stock_BL

   

4. Set the firmware options for your device.

   • Regulatory Domain (Mandatory. Choose the domain appropriate for the location or country you're flying).
   • Binding Phrase (Optional, but Highly Recommended. Note this phrase as it should be the same on your other devices, or they will not bind or sync).

5. Click the Build button.

   

6. Wait for the process to finish. A Green Success bar will show up in the ExpressLRS Configurator.

7. A Temp folder will open up with the firmware.elrs file. Copy-paste the firmware.elrs file into your Radio's SD Card (preferably to the /FIRMWARE folder for easy access).

8. On your radio, open the System Menu.

   • On newer radios, you can press the SYS key to open the System Menu
   • On older radios, or radios that only have a menu key, long-press the Menu key to open the System Menu

9. Using the Page key/s, navigate to the SD-HC Card page, scroll-down and open the FIRMWARE folder where you can find the firmware.elrs file.

10. Highlight the file and press-hold the Enter button and select "Flash External ELRS". Wait for the firmware to be written.

    No Sync

    • Make sure you have updated the OpenTX/EdgeTX firmware of your radio to a newer version
    • Make sure the current model selected on the radio is set up for ExpressLRS Use. See the Radio Preparation guide.

11. With the ExpressLRS Lua Script in the Tools page, verify if the firmware version has been updated.