ITools setting ringtone
Open iTools, click Music, click Add (only add downloaded songs), and click Make Ringtone. Select the starting point of interception and save it to the computer. Click the ringtone library, click Add, and add the ringtone (just made). Open iTunes, connect the data cable to the device, and wait for the driver to be installed. After the connection is successful, click Import Device in the interface of iTools ringtone library.
PP assistant setting ringtone
Install PP Assistant () and iTunes on the computer, open PP and iTunes, and connect the mobile phone. Wait for the connection to be successful, and directly search for your favorite ringtone in the PP assistant ringtone. Locally, download the ringtone, select your ringtone, and then click Import. PS: iTunes and Apple USB drivers must be installed, otherwise a separate PP assistant cannot connect to the mobile phone.