In this chapter, we will learn how to update your iPhone, iPad, or iPod by wirelessly & automatically. 2020 Now very easily You can update your iPhone, iPad, or iPod touch to the latest version of iOS wirelessly.* If you can't see the update on your device, you can update manually using iTunes. Important Note Before you update Carefully make back up of your device  using iTunes or i clouds. ________________________________________________________________________________ A)  How to Update your device by wireless method First If a message appears that an update is available, tap…