iOS7 How to upgrade iOS8 official edition? Apple iOS7 Upgrade iOS8 Official Edition method

Source: Internet
Author: User

Method A, itunes update (download iOS 8 firmware first)

We first connect the iOS device to the computer, then turn on itunes on the computer, hold down SHIFT, click "Restore", and then select the iOS 8 firmware file downloaded to the computer to upgrade.


Method B, OTA update

If we have WiFi, we can click "Set" in the device-"general"-"Software Update" and then download and install it directly on the computer.

Method C, using itunes for device updates

This directly in the computer we connect the IOS7 device to the computer, and then in itunes we click "Version" in "Summary", select "Check Update", so that the system will automatically help us install.

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