To re-record your greeting click on Replace custom greeting, hit Tap to record and start recording. you cannot store more then one custom greeting at the same time. The new custom greeting will always overwrite the old one. once you switch back to default greeting from your custom one, the custom greeting will be removed. Samsung Galaxy S21 User Guide and Manual Instructions PDF. Include Tips, Tricks and Latest News Update
Android phones can access voicemail by holding down the 1 key on the dial pad until the phone dials your 10-digit phone number. You will automatically connect to your mailbox and be prompted to enter your temporary password; this password is the last 4 digits of your phone number followed by the # key. Start the Google Voice app. Tap the three horizontal lines at the top left of the screen (sometimes called a hamburger menu), and then tap “Settings.” In the Voicemail section, tap “Voicemail greeting.” Tap “Record a greeting.” How do I access my voicemail? To call your voicemail on an Android phone, simply open your phone’s dial pad and hold your finger down on the “1” key. You can also call your voicemail from a different phone by calling your own number and tapping the pound key. How do you check your voicemail?

Website: https://setnewsbox.com/how-to-setup-check-change-password-of-voicemail-on-android/
4. Reset your pin. Maybe you have forgotten your pin or passcode or you never set it up in the first place. This is a common issue. Most carriers have detailed instructions for changing passcodes. For example, to change a T-Mobile passcode, hold down the "1" key, then press the star key, and then press number 5 to go into passcode security. Then press 1, and you will be able to change your passcode. You can change your Sprint passcode online by choosing the my preferences tab and then the "things I can manage online" section. You can reset your pin by calling the carrier if you have forgotten it or never set it up at all. Some sites allow you to do this online.