Why is the weather forecast gone when oppoa9 phones are restored to factory settings?

After the factory settings are restored, when adding plug-ins to the desktop, just select "Weather Forecast".

The method is: press and hold the blank space of the desktop. At this point, icons such as wallpaper, desktop gadgets, switching effects and desktop settings will appear at the bottom of the screen.

Click "Desktop Gadget" and you will see a small plug-in with "Weather Forecast". Select one, drag it to the appropriate position, and turn on the phone to locate it.

In this way, the local weather forecast service is available.