Navall android head units

anyone bought one of these from 75andzt.com?



if all i have is the original head-unit, how difficult are these to instlal?



do they need a whole new wiring loom?



for example, which of these would i need?



Highline Accessories(required for hiline conversions)



:17 Pin to ISO Adapter (+£11.00)

4.5 Meter Aerial Extension (+£9.00)



are these really better than the 200 quid ones on ebay?

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