Can Apple 7 download ringtones directly on the mobile phone?

Apple phones download songs as ringtones as follows:

1. First, go to Apple official website to download and install itunes.

2. Then find your favorite song or ringtone, double-click it, and itunes will play it automatically;

3. Right-click the newly played MP3 in itunes and select "Create ACC Version";

4. Copy or save the newly created M4a format song or ringtone to the desktop, and then rename it to M4r format with the right mouse button, and rename it to any ringtone name in the ringtone of the mobile phone;

5. Delete MP3 music and M4r music just used in itunes music;

6. Drag and drop the changed M4r file on the desktop into itunes- ringtone.