We have to make sure that the phone is at least available on the Internet, whether it's 3G or 2G or WiFi, because the data comes from the web.
1. We swipe the right hand on the screen of the phone and click on the "Add Panel screen" to close the middle with two fingers diagonally.
2. Now you will find that there are a lot of buttons out there and we find the "pieces" click Open to enter.
3. After this find "weather" under the icon, click Enter to open.
4. Then find the inside of the "weather" group does not let go, drag it to the main screen, let loose.
5. Then you will see that there will be "tapping here to add the city", and we click on the Dozen.
6. Enter the city you want to add in the input box, take "Beijing" for example.
A tutorial on adding weather groups is introduced here, and other Samsung smartphones can also be set up by reference to this method.