I'm new here as I'm sure most of these HELP request users are!
I've updated my TT One New edition a few times now over the last 2 or 3 years and have had no problems (running
a non standard Navcore with ALG and IQ routes all working fine).
So I thought I'd have a go at my fathers TT One 3rd edition (512MB).
I've updated the Navcore with Home to the latest official version ...