Which version is my mi router 4a gigabit edition is

Which version is my mi router 4a gigabit edition is it v1 or v2
My software version is 3.10.18

@frollic please reply

Okay, I don't know why did you ask about version.
But if you wanted to install OpenWrt, then I guess it is supported on software version you mentioned.

Source

What is the factory FW version installed?
and what is the Flash chip p/n?

F v installed is 3.10.18
I can't open router

should be v1 version