No matter whether the iPad is upgraded or jailbroken, the backup step cannot be easily ignored. Because it can avoid the loss of important information. Methods of backing up important data of iPad:

First, iTunes can back up and restore important information of iPhone.

1. Run iTunes and connect the device. Click on the device in the upper right corner to enter the summary page of iPhone/iPad.

2. Generally, iTunes will automatically back up after connecting the device, but in order to ensure data security, manually back up again. Click Backup Now to start the backup.

Second, use the synchronization assistant to back up and restore important iPhone data.

1. Run the synchronization assistant to switch to more functions-backup recovery can read the content previously backed up with iTunes. You can also create a new backup, or add backup data to the original backup.

2. Back up WeChat records: Also in "More Functions", click WeChat to back up WeChat chat records, including text and voice records.

3. Switch to the application interface for software backup (including recording), and click the application under the device to see the application installed on the device. You can back up a single software, or you can select all the names in the upper left corner of the interface and click Backup. Remember to check the backup records so that all software (including records) can be backed up.