How to set the ringtone after iphone jailbreak?

1 Install iTunes software.

If you can't connect to iTunes for the first time, please restart your computer first, if the problem persists.

Please follow the following steps:

Right-click My Computer Properties, and then click Manage;

Manage to open the device manager, find the position as shown in the figure, and uninstall the driver;

After reinstalling iTunes and restarting your computer, you can connect normally.

2 connect iPhone to PC.

3 Click the music on the top left, find the file, and then select Add the file to the playlist.

4 Add complete

5 Right-click and select Create AAC Version (V)

6 Generate m4a file

7 Copy the generated m4a (under the original file) to the desktop or other location, and then delete the previous file and the generated file in iTunes.

8 samples

9 Change the extension m4a to m4r, and select Yes in the pop-up window.

10 Double-click the m4r file to play it automatically in iTunes.

1 1 Please select your device.

Before 12, check "Up" and click "Synchronization" below.