How does ipad upgrade its system with itunes?

1. If the current iPad has no wireless connection, then we must upgrade the system for it with the help of the computer. Connect the iPad to the computer, open the iTunes software, and click the "iPad" button on the upper right, as shown in the figure.

2. Under normal circumstances, when iTunes detects a connected device, it will automatically connect to the Internet to detect whether there is an available update system, and then the upgrade update will automatically pop up. If it doesn't pop up, I can also click the "Check for Update" button in the iPad summary interface, as shown in the figure.

3. After detecting the available updates of the current iPad, download the updates and upgrade according to the prompts.

Extended data:

Preparations before the official version of iOS 12 is upgraded;

Before upgrading through OTA, please keep the power of iOS device above 50%. If your device is low in power, you can also update and upgrade while charging.

Connecting to the wireless local WiFi network, we know that the official version of iOS 12 is a big version update. If there is no accident, the downloaded firmware is between 2.5GB-3GB and 3GB. It is recommended to download and install it under the WiFi connection environment.

How to connect an iOS device to Wifi: Open the device settings-> "wireless LAN"->; Then choose to connect to an available Wifi wireless network. I don't think this needs to be emphasized by Bian Xiao. Xiao Bai knows how to connect to the wireless network.

References:

ITunes_ Baidu Encyclopedia