Unhappy [Q] Note 2 LTE finished Unrooting but still device status is Custom

Hi All,

I tried to root my device 6 months before and done that. i have not installed any custom ROM but installed Xposed installer.

Now i want to unroot and back to official for software updates.

i have tried Super SU for unrooting wand Triangle away to reset reset counter. Now i dont have rooting access but still my device shows as custom. Can someone please help me how bring my device status back to official. i have listed my device status below for your reference.

Odin Mode Information:
Product Name : GT:N7105
Custom Binary Download : Yes (1 Counts)
Current Binary : Custom
System Status: Custom
Knox Warranty Void : 1
RP SWREV: A2

Device Version:

AP : N7105XXUEMK9
CP : N7105BVUEMK1
CSC : N7105FTMEML1

Purchased my mobile in Singapore, not sure about the carrier but it shows Orange when i reboot my device.

Thanks for your time.