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【1】Describe the specific problem encountered
Hi, this is a new post from a previous one that was started a few months ago, its had a big replay gap and assumed its been lost in history. https://forum.dudu-auto.com/d/1397-audi-q5-install
I ordered a dudu7 with wiring harness from your shop a few months ago, its had issues and im trying to iron them out. Your kit came with separate boxes the RZ-Audi-30 and the RZ-Audi-01. 
The Aux worked correctly appart from occasional blips, but the parking sensors would not work. I have now fitted a harness from ali express from skyframes, this kit is with 1 box only, The parking sensors work correctly but the aux does not display at the correct resolution, You can only see 1/4 of the screen. I have tried going into vehicle personalization and the only option that can be changed is "Car screen settings" this does nothing! I have been in talks with the seller and he said the box auto sets the resolution but can be manually changed, Im at a dead end where and how to change it.
https://drive.google.com/file/d/1-4hXDcMSBHVakUyelxMNh6alEA95wsX6/view?usp=drivesdk
https://drive.google.com/file/d/1GTr0NMVgam-dbpWji6sEAliM7QDkpyDn/view?usp=drivesdk
https://drive.google.com/file/d/11bIYZ5TUrkYTsQo_2PB6SGxXgB-BuKqK/view?usp=drivesdk
【2】Your vehicle's make, model, and year Audi Q5 2011
【3】3: To provide system information, Settings - About - long press the top left corner of the image - send us a screenshot of the popup message!

【4】For more information, read the top post on this board