Really struggling to update my unit
Is theres asorted ways which I'm getting no were .ie
Loaded from kenwood site model and updates to pendrive and extracted them onto a blank drive but with unit in standby mode dosent do anything .
Tryed same thing vis sd card with radio reads then ends .
I then tryed a blank sd card and downloaded file to sd and updated via German app .which downloaded a file .I then poped it back into unit in standby entering satnav to update nothing just stuck with outdated unit .
Also made sure it's in fat32 format
Tryed updateing via usb pen drive but option dosent highlight to update
Any help please