Why doesn't the oppo reno4se mobile phone desktop display the weather city name?

Generally, the weather on the desktop of a newly bought mobile phone is for refreshing, but it is not in the position. Users need to click the weather icon, click the icon next to the weather in the hat, and then make sure that the GPS of your mobile phone is turned on, or use Beidou to locate your position. Your location can only be located if there is a network. She will also display the temperature and rain of this city on your mobile phone desktop.