How to update Elios 2 firmware

Before Starting
Updating the Avionics Firmware
Updating the Elios 2 Camera Firmware
If updating the Avionics Firmware does not work

Before Starting

Download the latest version of the Elios 2 firmware
Update Cockpit to the latest Version on the Tablet of the controller
Verify the current firmware version of your drone via the Cockpit App

Depending on the current Avionics version loaded into you Elios 2 drone the update process is different. Please check your current version and follow the corresponding process.

Also note that the camera firmware must not be updated if it is already at the latest version.

The Firmware of the controller unit does not change should remain at v1.2.10.
Only the Cockpit app on the tablet is updated.

Updating the Avionics Firmware

Connect a PC to you drone using via the USB cable, or, remove the Payload LOG SD card.

E2_Log_SD_Card

Download and copy the new Avionics firmware binary file (ELIOS2_Vxxxxx.BIN) to the root of the Payload LOG SD card.

Don't rename the file. make sure that no battery is connected to the drone while uploading the file via the USB cable.

Power up the drone with a fully charged battery. The update will not start if the battery voltage is too low.

The firmware process will begin and the 4 arm sensors LED will blink quickly, in a yellowish colour

The drone may reboot several times, you will hear the start up chime, do not unplug the battery until the update process is completed. This can take up to 5 minutes

When the arms LEDs blink one after the other and slower in a yellowish colour, the update is done, you can unplug the battery.

Plug back the battery and connect the GCS, go to Cockpit 'About' tab and verify the avionics firmware version.

Updating the Elios 2 Camera Firmware

Retrieve the Camera SD card from the payload

E2_Cam_SD_Card

Download the camera binary file (firmware.bin) and copy the file to the root of the Camera SD Card

Don't rename the file.

Place the Camera SD card back into the slot

Power up the drone with a fully charged battery

The firmware process will begin

The LEDs will blink normally, please wait 2 minutes with the drone powered, then unplug it

Plug back the battery with GCS connected, go to Cockpit About tab and verify that the new Camera firmware has been installed.

If updating the Avionics Firmware does not work

Older firmware versions (v1.0) require the binary file to be uploaded to a different SD card.

Remove the top cover by unscrewing the top cover screw with a T8 screwdriver

E2_Top_Screw

Lift the cover up

E2_Top_Lift_Up

Gently lift the Payload cable, leave the zip tie. Then, using the tweezers, remove the foam

E2_Av_Foam_Retrieve

Gently push to unlock the SD card, then remove it

E2_Av_SD_Retrieve

Place the SD card into you computer and copy the new Avionics firmware binary file (ELIOS2_Vxxxx.BIN) to the root of the avionics SD card

Don't rename the file

Place the SD card back into the drone

E2_Av_SD_PlaceBack

Place the foam back, CAUTION the foam must be inserted vertically

E2_Av_Foam_Verticality-1

Place the top cover and screw back

E2_Top_PlaceBack

E2_Top_Screw

Power up the drone with a fully charged battery

The firmware process will begin and the 4 arm sensors LED will blink quickly, in a yellowish colour

The drone may reboot several times, you will hear the startup chime, do not unplug the battery until the update process is completed. This can take up to 5 minutes

When the arms LEDs blink one after the other and slower in a yellowish colour, the update is done, you can unplug the battery

Plug back the battery with GCS connected, go to Cockpit About tab and confirm new Avionics firmware