Download a ringtone file to your desktop from an online ringtone provider. Make sure the file is in the appropriate file format for your particular mobile. Ringtone conversion software is available online to convert ringtones into other formats for wider use.

Connect your phone to your computer using the data cable that is supplied with the phone. After-market data cables are also available for purchase.

Sync your phone to your computer using the syncing software provided. Consult your user's manual for additional instructions specific to your brand and model.

Drag the ringtone file from your desktop into the sound folder on your mobile to install it. The sound folder is usually in the application-data folder, but the location varies by phone.

Drag the ringtone file from your desktop into the sound folder on your mobile to install it. The sound folder is usually in the application-data folder, but the location varies by phone.