you want to know why anyone would want to block an update.
on my J7 after the update. I have to answer all calls blind, as it will not display who is calling on a locked screen, if i am on the phone i get a pop up. this is also true for all other notifications. i have to go into the massaging app to view who texted me. Verizon told me a hard reset of the phone should fix the issue, it did not, just wiped out all my personal settings, which were not restored from the backup.
so i dont want my other phone to install pie.