IPhone 5S/5C/5/4S/iPad/iPod upgrade iOS8

Preparations:

1. Download itunes software to Apple official download: http://www.apple.com.cn/itunes/download/

2, download the official version of iOS8 firmware, Apple official download address: http://www.app111.com/ios.html

3. We backed up the phone first, opened itunes, and pressed Shift + S to back up the phone:

Right-click the device name in the list and select "backup"

Upgrade tutorial (iPhone and iPad use this upgrade method for iPod as an example ):

1. Open iTunes on your computer, and then connect the ios8 device to your computer (Shift + S for the new version to open the sidebar ):

2. Press the Shift key on the keyboard at the same time (press the option key on the Mac system). On the displayed page, click the "Restore" button (select "update" for the genuine System "):

3. In the displayed window, select the downloaded iOS8 firmware (in ipsw format ):

The image is for reference only. Select a file name based on the device and system.

4. Then, click "restore" in the pop-up window (as shown in the following figure for reference only). iTunes starts to update the firmware:

The image is for reference only and should be shown as 8

5. After the upgrade, click "restore from backup ..." (If you select the "update" button, you do not need to recover the backup. After activation, you can see it ):

6. Wait until the backup recovery is complete. Now, we will upgrade to the iOS8 firmware after all the data is retained.

The last step is to activate your Apple phone. We recommend that you have a Wi-Fi network during the activation process. Otherwise, it will be very slow.