If this is your budget then maybe look at this-
dynavindirect.co.uk
We installed one for a customer who brought it to us, it retained the SOS and all vehicle settings/information etc
9-inch Android navigation system D9-333 Pro - C for VW T6.1 Transporter - Dynavin UK & IRELAND
The infotainment upgrade for VW T6.1 Transporter | Multivan | Caravelle | California | Polo MK6 from 2017 through the Dynavin 9 platform D9-333 Pro – C
dynavindirect.co.uk
We installed one for a customer who brought it to us, it retained the SOS and all vehicle settings/information etc
