1. WPCentral Question's Avatar
    I have an unlocked AT&T Lumia 1020 on tmobile. I got the 8.1 update using the developers review. Yesterday Morning i got the official update to 8.1. Everything worked fine but when I tried to send a picture I couldn't. I thought it was my APN settings, but the settings did not change. Everything is the same, I've been searching for a possible solution but I can't find anything. This is so frustrating.

    LTE works fine, the only thing is the msm. Does anyone have the same problem?
    08-28-2014 09:16 AM
  2. anon(5326758)'s Avatar
    Same here, but with AT&T (locked) 1020. After the update I had blank MMS APN settings and can't receive or send MMS. When I configure APN according to AT&Ts website I still am not able to send or receive.
    09-01-2014 01:18 PM
  3. tessmasters's Avatar
    Same problem here, but with the AT&T locked Lumia 1020 on the StraightTalk service. Worked fine until I installed the new 8.1 update, and now no MMS texting and also not able to receive texts that were sent to me as a group or more than one person and not able to send texts to more than one person...... Please advise....
    09-01-2014 05:51 PM
  4. maclancer's Avatar
    Same problem here, but with the AT&T locked Lumia 1020 on the StraightTalk service. Worked fine until I installed the new 8.1 update, and now no MMS texting and also not able to receive texts that were sent to me as a group or more than one person and not able to send texts to more than one person...... Please advise....
    Go to Settings - Cellular / Sim - Sim setting and add this to the apn and mms:

    Internet APN:
    APN: tfdata
    Username: blank
    Password: blank
    Proxy server (URL): blank
    Proxy port: blank

    MMS APN:
    APN: tfdata
    Username: blank
    Password: blank
    Proxy (or MMSC) address mms3.tracfone.com
    Proxy port: 80
    MMSC address http://mms-tf.net
    09-01-2014 06:04 PM
  5. anon(5326758)'s Avatar
    here's what fixed it for me:

    1. settings, Network+
    2. popup message saying to apply system update the phone needs to be restarted. Hit ok.
    3. After restart, MMS appeared.

    I didn't have to create special APN profiles. Wierd.
    09-01-2014 06:23 PM
  6. tessmasters's Avatar
    Tried the Network+ then OK to update, but that did not fix the MMS texting problem on my phone.... hmmmm....
    09-02-2014 06:49 PM
  7. tessmasters's Avatar
    Changing these internet and MMS APN settings also did not work on my phone. ...... I wonder what else can be changed?
    09-02-2014 06:51 PM
  8. jhovesen's Avatar
    I had the same issue on my newly purchased Lumia 1520.
    I got the MMS APN settings from AT&T's website. Prefixed WAP Gateway with the same prefix as MMSC, and changed IP type to IPv4. That fixed my issue, thank you kmok, you put me on the right track!
    09-09-2014 10:24 PM

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