1. newEDB's Avatar
    I use cricket wireless service.
    I used to have a AT&T 640, the visual voice mail does not work. It is a convenient feature I really miss.
    I bought an unlocked 950xl through the Black Friday BOGO deal, then purchased a new Cricket SIM card from amazon.com (the SIM card for 640 is too big for 950XL). I followed the instructions from the cricket wireless website to activate the SIM, and transferred my 640 phone number to the 950xl. Then the visual voice mail just works.

    Here is what I understand. As long as the IME number of a windows phone is in Cricket Wireless's database, visual voice mail will work. The SIM activation step entered my 950xl's IME number into their database.

    As to my AT&T 640, since Cricket Wireless is a subsidiary of AT&T, the cricket voice and data service just works on any AT&T phone. So when I retired my old Cricket 630, I simply moved the SIM from it to the 640, and never actually input the 640 IME number into their database. I hope I learned that before.
    libra89, aximtreo and Chef316 like this.
    12-17-2016 08:19 PM
  2. Tejas Javery's Avatar
    That's nice that you shared it with us. very helpful. :)
    Chef316 likes this.
    12-18-2016 06:15 AM
  3. Chef316's Avatar
    Works on mine on T-Mobile as well!
    12-22-2016 02:55 PM
  4. MDK22's Avatar
    IF it does NOT work, a suggestion ...
    • have your sim in the device
    • call yourself - or have someone call you
    • DON'T answer, instead let it roll to Voicemail
    • U MUST know your carrier VMS password
    • Retrieve your message, Visual Voicemail s/b there after that
    • else, call your carrier.


    I had VVM on my Lumia 1520, took the sim, put it in my Lumia 950XL.
    VVM did NOT work out of the box.
    After these steps (above) I had VVM.
    Worked on my wife's Lumia 950, also.
    Chef316 likes this.
    12-23-2016 09:15 AM
  5. mojophone's Avatar
    I'm in the same situation -- moved from a Cricket 630 to an AT&T 640 (still using Cricket's service), losing visual voicemail. I just checked with Cricket, however, and my IMEI is already in their database. I'm able to retrieve voicemail no problem, but VVM has not returned. Any other ideas? The support person I was chatting with seemed a bit confused, saying their VVM app only existed for Android phones.
    Last edited by mojophone; 01-04-2017 at 10:44 AM.
    01-04-2017 10:06 AM
  6. MDK22's Avatar
    I'm in the same situation -- moved from a Cricket 630 to an AT&T 640 (still using Cricket's service), losing visual voicemail. I just checked with Cricket, however, and my IMEI is already in their database. I'm able to retrieve voicemail no problem, but VVM has not returned. Any other ideas? The support person I was chatting with seemed a bit confused, saying their VVM app only existed for Android phones.
    Restart (or soft reset) your device ... assuming you had it before.
    01-04-2017 10:52 AM
  7. mojophone's Avatar
    I had VVM on the original Cricket 630. It's never worked since I moved to the AT&T 640, about a year ago (I simply moved the Cricket SIM from the 630 to the 640). I did a complete reset when updating the 640 to Win10, fwiw. May just not be in the cards for me.
    01-04-2017 11:08 AM

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