January 2018
Beginner to intermediate
402 pages
10h 6m
English
During the boot-up process, if one step is unable to load or verify the next step, then the boot-up is stopped and the iPhone displays a screen as shown in the following screenshot:

This mode is known as the recovery mode. The recovery mode is required to perform upgrades or to restore the iPhone. To enter the recovery mode, perform the following steps: