Personalising44Changing ringtonesChange ringtones for incoming calls and notifications.On the Apps screen, tap Settings → Sound.► Dual SIM models: To set a ringtone for incoming calls, tap Ringtones → a SIM or USIMcard → Ringtones, select a ringtone, and then tap OK. To use a song stored in the device or inyour account as a ringtone, tap Add.To set a ringtone for notifications, tap Ringtones → a SIM or USIM card → Notifications,select a ringtone, and then tap OK.► Single SIM models: To set a ringtone for incoming calls, tap Ringtones → Ringtones,select a ringtone, and then tap OK. To use a song stored in the device or in your account as aringtone, tap Add.To set a ringtone for notifications, tap Ringtones → Notifications, select a ringtone, and thentap OK.Changing the screen lock methodYou can change the way that you lock the screen to prevent others from accessing yourpersonal information.On the Apps screen, tap Settings → Lock screen → Screen lock, and then select a screenlock method. The device requires an unlock code whenever unlocking it.If the unlock code is forgotten, take the device to a Samsung Service Centre to reset it.