1. The first need to download itunes to Apple's official website download here will not be introduced in detail.
2. Download Complete installation and click itunes to enter the interface
3. Click on the arrow and click to add the file to the database
4. Pop-up lets you select the content you want to add to the database (music test here)
5. Select All Click Confirmation, you will see the music in the database
6. Then click on the iphone button in the upper right corner (the iphone needs to be connected to the phone this time)
7. Enter the iphone interface,
8. Then click on the music, then tick the data that needs to be synchronized and click on the following sync, the synchronization process is as follows.
9. Open the iphone to see if the music is on the phone.
Small hint,
This method is based on music as an example, we can also sync like photos, movies, videos and so on data oh.