Can I install col-lgrp2 on col-l29 without root?

[adiabargil]

Hi everyone,
I have honor 10 col-l29 and I like to upgrade the firmware to android 10.
As you know it isn't released yet
There have some problem to install col-lgrp2 that I'm find in "Firmware Finder for Huawei" app.
Attached some pictures

Thanks for everyone.