Equipment: OPPO mobile phone a72;;
Operating system: Android version12.1;
Software: know-it-all app version APP2.2.2
1. Click the know-it-all APP on your mobile phone to enter.
2. Click the home health code after entering the know-it-all.
3. At this point, you can see your health code in the page that appears.
4. Click the Manage Family Members button on the drop-down page.
5. In the page that appears, you can see that you have switched your own health code to your child's health code.