1, first open the phone comes with safari browser, find the video you want to watch, click the play button.

2, second click on the bottom right corner of the full screen icon, enter the video full screen mode.

3, finally click the video in the upper left corner of the picture-in-picture function icon, press the HOME button to return to the desktop of the phone, the video will be in the form of a small window in the form of suspended playback.