If you are a new customer and have not established a voicemail box, you will be prompted to choose a password and greeting. Must be from 4 to 10 digits long. Can’t be a single digit repeated (like 1111). Can’t be an ascending or descending sequence (like 1234 or 7654). Can’t be your phone number or part of it. Can’t be 7890, 2580 or 1210. Can’t be the same as a previous PIN. Setup a personal voicemail greeting on the Samsung Galaxy S21 Series
But this is not necessarily the case, a spokesperson for AT&T Wireless, Tova Kline, told us. “There is no data or talk charge for changing your voicemail. However if you lose phone service, you won’t be able to update your voicemail message,” she said.

Open the Phone app . Press and hold “1” to call your voicemail. Enter your PIN and press “#”. Press “*” for the menu. Press “4” to change settings. Press “1” to change your greeting. Follow the recorded instructions. How do I change my voicemail message? From the Home screen, tap the Phone icon . Tap Voicemail then tap Greeting (upper-left). Greeting is located in the top-left corner of screen. Tap Custom to record a greeting. Enabled when a checkmark is present. Tap Record to begin recording the custom greeting message. Tap Stop to end recording then tap Save. Call *86 (*VM) from the handset or the 10-digit mobile number from another phone. Follow the instructions for choosing the language options then press the # key to confirm the choice. When prompted, enter the 4-7digit password then press the # key. When prompted, say the signature (or name) then press the # key. Open your Android’s Phone app. It usually looks like a phone receiver at the bottom of the home screen. Press and hold the 1 key on the keypad. Tap Add number. Tap Service. Tap My carrier. Tap Setup. Tap Voicemail number. Type your mobile phone number and tap OK.
Once this screen has appeared all of your old voice mails will display. Tap Greeting in the top left.