What is the latest version of the DJI GO 4 App for my P4 Pro PLUS Remote Controller?

Mine has 4.26 installed, and i have been having some "issues." I was told on another forum that this is an old version of the DJI GO 4 app.

Also, what exactly is the current System Update version for the P4Pro controller???

Mine says: Version V.01.04.01.00 (on the Settings -> Update tab)

However on the DJI there is a .bin file for Phantom 4 Pro Pro+ Remote Controller Firmware 01.04.03.00

So is my controller System up to date or not??? Is it supposed to be Version V.01.04.01.00 or is it supposed to be 01.04.03.00???

I have tried updating locally through an SD card, and it says that the system has been updated to 01.04.03 after rebooting, but then it tries to launch the DJI Go 4 app automatically and I get the error message that DJI Go4 is not responding, and it asks if I should Wait or Cancel. I hit wait and then it just flashes the DJI black screen. Eventually I  power off the controller and when I restart, in the System update it says Ve

One other thing: In the About Device screen it says: Version V.01.04.01.00

Kernal Version:
3.10.0
dji@RDCMP33-in #1
Tue May 19 16:57:14 HKT 2020
R63350_55 8348


System Version
01.04.01.00pad @v0.4.3.1-138f45ef release-keys
mcu @5.21.17.0
android @5.1.1
security patch@2017-12-01
And finally,my P4Pro PLUS controller has apps like Facebook, WeChat, and instagram on it. Can I delete those apps? (I bought this controller used from someone so I don't know whether the P4Pro PLUS controller requires them or not.

Does no one know what the latest DJI GO4 app version for the P4P+ controller is?
Was my original post not clear? (I know it was long winded.)

Am I asking in the wrong forum?