decline 4.3 update 2012 nexus 7

[leedo mcgrub]

Tablet is rooted 422 ,ota rootkeeper failed.dont want 4.3, might loose root. How to delete / disable 4.3 download. Message in upper left,click to enable

 

[YAYTech]

a) what?

b) why is this posted in the 2013 Nexus 7 section if the question is for the 2012 model?