Dial 123 or call 1-805-637-7249 and enter your phone number. Then, press 5 to go to the Password Security menu. Finally, press 1 to change your voicemail password. Check out T-Mobile’s voicemail support article to learn more!
Step 2: Click the 3-dot menu button that you can see on the top-right corner of the screen (on the right side of the search button).

Step 1. Tap the phone app from your home screen. It’s the green icon with the white-colored phone in the middle.
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?