How to downgrade ios10.3 back to ios9

Before we begin, please note that since you are downgrading from a higher version of the system, all data on the original phone will be deleted during this process, including address books, photos, applications, videos, songs, etc. Therefore, if you have not backed up the old system before upgrading, you need to think carefully, otherwise the data will be lost and cannot be recovered.

Before you start, you also need a computer with the latest iTunes software installed. If you do not have iTunes software on your computer, you can download and install it from Apple’s official website.

After installing the iTunes software on the computer, connect the iPhone to the computer using a data cable and open the iTunes software.

After you have thought it through and everything is in place, you can start downgrading from iOS10 to iOS9. First, please shut down the iPhone you want to downgrade. Press and hold the power button. The shutdown option will appear.

Then please follow the steps below to put the iPhone into recovery mode:

First, please press and hold the power button to turn on the phone. At this time, the Apple logo will appear on the screen. Do not Release the power button;

2. Then press and hold the Home button until the screen goes black.

3. When the screen is black, please release the power button and do not release the Home button until iTunes on the computer detects an iPhone in recovery mode

For the first Friends who have done this for the first time may not be familiar with it, so just try it a few more times.

Next, please click the Restore iPhone button directly in the iTunes software window to continue, as shown in the figure below

We will then be prompted that once restored, all data on the current phone will be was deleted, to confirm the downgrade please click the Restore and Update button to continue.

Then follow the prompts and iTunes will automatically detect the current iPhone model and download the latest official version of iOS9 for it. When the download is completed, it will automatically downgrade from iOS10 to iOS9 system.

Note: Downgrading from iOS10 to iOS9 will result in the loss of contact and text message data due to system limitations, which may cause the data network to be unavailable and some applications to be invisible.