PinePhone OS & Malfunction

[rocket2nfinity]

Hi,

I received my PinePhone with a preinstalled version of Manjaro.
I do not like this OS, I' used to work on Debian.

The received phone does not work correctly: I changed the user and it is impossible to set the date and time correctly and this does not sync with the internet time.

Main failures:

- The pacman grafic software the 2/3 of the times installs not working software
- Terminal: impossible to use a lot of normal terminal sofwtares, impossible to use different installers than pacman
- Manjaro is a very low compatibility with other linux softwares 
- Manjaro offers very few softwtares, often they do not work properly
- Manjaro offers very few way of setting and personalizations
- Difficult to adapt windows to the screen
- Battery runs out of energy very quickly
- System is very slow
- It bugs

Conclusions: Manjaro is very bad, I would not suggest it at all!

Do any of you have any suggestion?
Is it possible to solve any of the problems listed?

Thanks!

In terminal....     sudo pacman -Syyu

Or install Mobian