Before the iPhone system is downgraded, by opening ipsw.me, we first need to query and determine the system version that our iPhone system can be downgraded.

How to downgrade the iPhone?

In the iPhone column, select the corresponding iPhone device model, and you can find the firmware version of the IOS system that can be downgraded by the current Apple server. Green indicates the firmware version that supports degradation, and red indicates the system version that cannot be degraded.

How to downgrade the iPhone?

How to downgrade the iPhone?

When the iPhone system is degraded, download the corresponding degraded firmware version. The specific download method is as follows:

Download the firmware of iPhone system version through iTools software toolbox. Please note that the firmware version of the ios system corresponding to the query must be downloaded. (such as: Figure)

How to downgrade the iPhone?

How to downgrade the iPhone?

After that, connect the iPhone to the computer, open the iTunes software, and then switch the iPhone to recovery mode. At this point, a faulty iPhone device will appear on iTunes software.

How to downgrade the iPhone?

How to downgrade the iPhone?

Next, we can downgrade by pressing Shift+click Restore, and open the downloaded firmware to restore. When downgrading, be careful not to tamper with the phone or unplug the data cable of the phone, so as to avoid the failure of iPhone downgrading, and slowly wait for the progress bar on iTunes and iPhone to end.

How to downgrade the iPhone?

How to downgrade the iPhone?

When the iPhone is downgraded, it will automatically restart the phone. Wait patiently and slowly for the iPhone to be reactivated once after the downgrade progress is completed, and then it can be used. The system will also be downgraded to the degraded system version.