Just copy these files into /lib/firmware/ath10k/QCA9377/hw1.0 and replace/ delete those already there. You WILL need root privileges to do this. Next time you reboot it will load this old firmware and monitor mode will work correctly! This Network Adapter does not support Packet Injection!
This was tested under Linux mint 19.2 Tina, Ubuntu 22.XX LTS, Kali Linux 2022.3, Lubuntu 20 LTS, Parrot OS 5.0.1 Electro Era . The files uploaded here were extracted from Kali Linux 2016.2, but you are free to search through them to find trojans.