I was running
sudo journalctl -p 3 -xb to make Manjaro stable and back up, I managed to fix most of the errors, but this image remained:
Probably this is the cause of my wifi falling all day, I really want to solve the same, I searched the subject and found a post with the command
sudo pacman -U https://archive.archlinux.org/packages/l/linux-firmware/linux-firmware-20180825.fea76a0-1-any.pkg.tar.xz that would solve, but the package is no longer available.
I searched the Arch wiki but no errors related to
ath10k_pci. I don't even know yet what to do, I'm already trying to solve some hours, but nothing.