Hello, I have a question regarding acces to the USB drive connected to the router. I can se the files and folders, however, I am not able to copy files from my computer to the USB. I am using Win10 no

I have a 1 Gig fibre connection and i am getting full speeds through ethernet about 920 down 500 up but all 3 of my wifi networks are slow. Im testing using my iPhone 12 pro on my 5GHz-2 connection an