Samsung Galaxy A51 ringtone settings: If you would like to set different Ringtones in your A52, the learn here how to set ringtone in Samsung Galaxy A51 smartphone. You can set Ringtones for both SIM 1 and SIM 2. You can also control some tones like screen lock and unlock sounds, charging sound, diapad keypad tones, Samsung keyboard sounds, etc. You can also set default notification sounds with different default system tones in your phone Samsung Galaxy A51.