Brand new spark / flown for 5 minutes then updated all firmware. Since then Sensor error 8 wont go away.
Did upgrade of firmware to latest, downgraded to 8.0 still there, re /upgraded to 9 still there.... reinstalled DJI app...
None of these making a difference....

How can this happen is like selling a car with a stereo but there is none in it.....

In Dubai / how do i get this repaired...

Hi, sir. Sorry to hear this unexpected experience. I would recommend you send it back for further check: http://www.dji.com/support. Please contact our support and they will help you start a case and get it fixed.  

Oh sorry to hear it . If you are in warranty send it to the place you purchased from  or
Here you can repair your drone in dubai.

al gadgets www.algadgets.com
rc corner www.rccorner.com
aeromotus www.aeromotus.com

These are reliable and trusted drone service centers in dubai.

did you peel off the protective film covering the sensor lens?