2. ①The weather on the normal mobile phone desktop is like this. After clicking, the weather forecast for the past few days will appear. ② If there is no weather forecast on the desktop, you can click on the settings on the mobile phone to enter the settings page. ③Find the last option system in the settings, enter the system page, and select the date and time in the system. ④ Then select the resident city in the last item of the date and time options to determine the designated city for the weather. ⑤After the setting is successful, the desktop weather will open and you can click the settings icon on the upper right.