Find "Tones"
Press the Navigation key.
Scroll to Settings and press the Navigation key.
Scroll to Tones and press the Navigation key.
Select your ring tone
Scroll to Ringtone and press Navigation key right to select Open Gallery or the current ring tone.
If you select Open Gallery:
Press the Navigation key.
Go to the required folder.
Go to the required folder.
Highlight the different ring tones and wait a moment to hear it.
Once you've found a ring tone you like, press the Navigation key.
Save and exit
Press the Navigation key to save.
Press Disconnect to return to standby mode.