Thanks. I did try this option only to be told it's a main dealer job.
Was quoted £262 + vat to purchase plus £70 + vat to install.
I found a company called North East VAG Adaptions who were able to help. They provided the activation codes for both the App-Connect and voice control via email which I transferred to a SD card. Did a system update which took about five minute and hey presto, all working. Cost was £100 all in.
I did ask what would happen if it all went belly up and they offer full support.