How to open TWRP on Finow X5 Air?

How to open TWRP on Finow X5 Air?

I use the “adb reboot recovery” command.
You Can also install some App to do that if you’re rooted.

please show me the way

hello ?

Something like this :
drfone.wondershare.com/android/android-restart-app.html

Actually I want to open TWRP to install supersu for my x5 air :V , thanks for reply, i used ADB command to boot into TWRP , sorry for my bad english