What is the failure of the weather connection of Samsung mobile phone Sina?

Provide the following methods to update Sina weather: 1, try to change other time periods and use WLAN to update; 2. Open Sina Weather on the desktop-click the menu button-add a new city; 3. Click the circular arrow icon at the lower right of Sina Weather on the desktop to refresh; 4. If the operation is completed, if it cannot be updated, please confirm whether the Internet access function of the mobile phone is normal; When all methods have been tried, it is recommended to back up the mobile phone data (phone book, information, multimedia files, etc. ).