How to unmute nokia 2128i?

Page 37 of the user \manual says "Profiles define how your phone reacts when you receive a call or message, how your keypad sounds when you press a key, and more. Ringing options, keypad tones, and other settings for each profile can be left at their default setting, or customized. The following profiles are available: Normal, Silent, Meeting, Outdoor, and Pager. ■ Activate In the standby mode, select Menu > Profiles > select the profile of your choice > Activate. So in your case you would select something different than silent...The manual is available right here. Good Luck