Agreed. Yes I've thrown my toys out a bit.Argh bloomin thing. SOmeone link me the instructions. I'm an amateur with this kind of thing as I don't generally muck about with phones anymore.
EDIT: I don't want to root the phone. Do I have to do this?
You have to unlock the bootloader and install custom recovery to flash the 4.4 radio
Guides are all on XDA

Not doing all that to have a phone that can make calls. I don't think it's much to ask for £300.