Wio Terminal RTL8720 firmware update?

Wio Terminal RTL8720 firmware update?

On Linux (Ubuntu 20.x).
Downloaded files from GitHub - Seeed-Studio/ambd_flash_tool: Firmware download script for rtl872x.

:~/ambd_flash_tool$ ls -l
total 10648
-rw-rw-r-- 1 bob bob 10863916 Mar 13 07:18 ambd_flash_tool.exe
-rwxrwxr-x 1 bob bob 9859 Mar 13 07:18 ambd_flash_tool.py
drwxrwxr-x 2 bob bob 4096 Mar 13 07:18 firmware
-rw-rw-r-- 1 bob bob 4688 Mar 13 07:18 imgtool_flashloader_amebad.bin
-rw-rw-r-- 1 bob bob 19 Mar 13 07:18 README.md
-rw-rw-r-- 1 bob bob 25 Mar 13 07:18 requirements.txt
drwxrwxr-x 5 bob bob 4096 Mar 13 07:18 tool

:~/ambd_flash_tool/tool/linux$ ls -l
total 120
-rwxrwxr-x 1 bob bob 27048 Mar 13 07:18 amebad_image_tool
-rwxrwxr-x 1 bob bob 90552 Mar 13 07:18 bossac

Are these the correct files?
Need current method for updating RTL8720 firmware on Wio Terminal?

Thank You!