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You can select the ring tone you want to hear when you get a call.
1. Find "‹SIM› phone ringtone"
Press ‹SIM› phone ringtone.
2. Select ring tone
Press Music (on storage).
Press the required ring tones to hear them.
Once you've found a ring tone you like, press the confirm icon.
3. Return to the home screen
Press the Home key to return to the home screen.