Hey all

Been trying to do a bit of research on installing an AUX for the factory radio fit in my 2010 T5 transporter.
It has Radio and Cd as only options.

So far the only options are:

1. Fit a new radio, newer version.

2. Get the software to unlock the AUX option, and then purchase an adaptor.

3. Not bother with the software change, and purchase one of these:
Aux In Adapter for VW RNA RCD 200 210 300 310 500 510 MFD2 Satnav Radio iPhone 6 | eBay

Has anyone had any experience with this?
I would prefer to limit my spending hence the option, did not want to spend close to 1000 on a decent alternative.

Cheers
Mike