How to update the system of iphone7 plus

1. After unlocking the iphone 7 plus to the home screen page, select Settings to open.

2. Enter the detailed option list of settings and find the general function.

3. Enter the general function menu bar and find the software update settings.

4. In the detailed page of the software update, click Start Download at the bottom of the system, such as iOS12.2 system.

5. After clicking to start downloading, the system will pop up a confirmation pop-up window. Select Agree on the right side of the bottom of the pop-up window to authorize.

6. After clicking Agree, the system will start downloading. After the system download is completed, it will automatically enter the upgrade system state.

7. Download the system and restart. After the upgrade is completed, unlock the iPhone 7plus and go to the home page and open the settings.

8. Find General in settings.

9. Enter software update in the general function menu bar.

10. After entering the software update page, the iPhone 7plus has successfully updated the system.