How to Use an iPad as a Secure Calling and Messaging Device

Yawnbox:

Do this all before setting up your AppleID, and before connecting to any network of any kind. Again: DO NOT connect to any network – Bluetooth or Wi-Fi unless steps 1-5 are complete.

Note: if you are adapting this guide using an iPhone or iPad with cellular, remove the SIM card before powering on the device. Ideally this would be a brand new device having never been connected to a network.