How to flush DNS on iPhone, iPad


How do you flush the DNS cache on your iPhone or iPad? There should be 2 quick ways.

  1. From Control Center, enable Airplane Mode, after awhile, tap on Airplane Icon to disable Airplane Mode. This should flush DNS cache on your iPad or iPad successfully.
  2. Reset Network Setting will flush all existing network data including all DNS cache.
    Settings --> General —> Reset —> Reset Network Settings.