1. download file version_1.1.6.0.37_usb_update.zip which can be found in the folder
https://downloads.antrica.com/UAV-Encoders/ANT-1776/Firmware/Previous%20Firmware/v1.1.6.0.37/USB_update_To_1.1.6.0.37/

There is a video showing the process but the version are different.
The video is in the folder above and is called ANT-1776_USB_update_From_1.1.7.0.64_To_1.1.2.0.13.mp4
If it does not play please try to download or use the dropbox link
https://www.dropbox.com/scl/fi/7gu97gok4nv6sa3waiebk/ANT-1776_USB_update_From_1.1.7.0.64_To_1.1.2.0.13.mp4?rlkey=369whnx37qb9wtc3ovsdtot17&dl=0

From the ZIP file

2. Extract and find "load_typec.bat" - but do not run it

unpack the attached file:
	You will have a directory of structure:
	firmware		- Directory of the image
	load_typec.batuuu.exe	- NXP application for update
	uuuload_typec.uuu	- Script for update
	type of load_typec.bat	- Operate the update batch

3. SSH into ANT-1776 - use a tool like PuTTY
username / password is  root / root
copy and paste the below command followed by return

dd if=/dev/zero of=/dev/mmcblk2 bs=1K seek=32 count=1024

3. Connect the board to PC using USB type C (on board side)

Please note: we have found that:
 3.1. some USB cables do not work (too cheap)
 3.2. some need to have the USB-C end unplugged, rotated 180 degrees and then reconnected to enable the "Wait for Known USB Device
	Appear..." to be be cleared
 3.3. use a different USB port on the PC


4. double click "load_typec.bat" to run
messages will indicate if connection had been established

5. in SSH connection type    reboot     + return

6. Wait for 1-2 minute until Linux start running again.

7. the command prompt window for "load_typec.bat" may or may not close

8. when webpage is present, using the webpage perform a "Factory Default" and a reboot

9. ANT-1776 is now 1.1.6.0.37