First, you need to download and install Xiaomi Sports app on your mobile phone. After opening, select My to find your own mi band device, and select Dialing Settings in the page that appears. Two options, Online Dialing and Custom Dialing, will appear in this page. We select "Custom Dialing" and click; Next, select a dialing style, and then click Change Dialing Background. Then the phone will pop up the options of "taking photos" and "photo album". We choose "photo album" to find our favorite photos, intercept the exhibition area and click "check mark" in the upper right corner to confirm.
Finally, click "Synchronous Dial" at the bottom to complete the custom setting of mi band dial.