1. jimroper's Avatar
    I have a Lumia 920 that is an ATT version unlocked to TMobile. I just got updated to Cyan yesterday. I am still unable to send and receive pictures in text messages. What are the proper settings to be able to do this? I was able to do this before I did the developers preview to update to 8.1
    09-27-2014 05:04 PM
  2. xandros9's Avatar
    Go into Access Point and make sure your APN settings are in order.

    I believe you could easily find T-Mo's on the internet.
    Laura Knotek and Loco5150 like this.
    09-27-2014 05:07 PM
  3. AV2RY's Avatar
    928 of Verizon on Tmobile also can't send mms. And to send SMS I need switch to 2G
    09-27-2014 05:08 PM
  4. xrs22's Avatar
    928 of Verizon on Tmobile also can't send mms. And to send SMS I need switch to 2G
    928 and Icon as I used both. It's a real drag having to switch to cellular all the time and I don't wanna leave it on. They need to make a toggle on the notification center....really.
    09-27-2014 05:19 PM
  5. Loco5150's Avatar
    This is a APN issue like xandros9 said.
    xandros9 likes this.
    09-27-2014 05:29 PM
  6. jimroper's Avatar
    I have tried going into access point and entering the recommended tmobile settings and saving but still no luck. Am I missing something obvious? I have also tried going into "cellular+SIM" and modifying the sim settings. This is VERY frustrating.
    09-27-2014 06:27 PM
  7. jimroper's Avatar
    As mentioned, it worked before updating...
    09-27-2014 06:28 PM
  8. Ed Boland's Avatar
    Bing (or google) "tmobile APN MMS settings" and go back into cellular+sim in settings and make sure you got it right? Or call tmobile and have them push it from their end.. Have you rebooted the phone?
    09-27-2014 06:36 PM
  9. jimroper's Avatar
    I have made sure that I put in exactly what is listed on their website and rebooted the phone. Does anybody else have any ideas?
    09-27-2014 08:15 PM
  10. Master69's Avatar
    Hi, I've had the same problem on my Lumia 1020 after the WP 8.1 updates and I've solved it by adding a new access point. Make sure that you complete the Internet and MMS sections with the settings as provided by your mobile carrier.
    09-27-2014 08:51 PM
  11. AvatarEW's Avatar
    I encountered this issue when changing my 1020 from AT&T to T-Mobile.

    I manually changed the APN settings but still encountered issues also with group MMS.

    Eventually, I conducted a factory reset with the T-Mobile SIM in the phone. This action caused the T-Mobile APN settings to automatically and successfully import.

    No MMS problems (an annoying "No Subject" on every group MMS occurred in 8 and still present) after upgrading from 8 to 8.1/Cyan with both 1020 and 1520. Note that I never used DP.
    Marcos Hidalgo likes this.
    09-28-2014 01:23 AM
  12. xrs22's Avatar
    I encountered this issue when changing my 1020 from AT&T to T-Mobile.

    I manually changed the APN settings but still encountered issues also with group MMS.

    Eventually, I conducted a factory reset with the T-Mobile SIM in the phone. This action caused the T-Mobile APN settings to automatically and successfully import.

    No MMS problems (an annoying "No Subject" on every group MMS occurred in 8 and still present) after upgrading from 8 to 8.1/Cyan with both 1020 and 1520. Note that I never used DP.
    do you need to create your APN on your desktop as well or just on the phone? I wanna see about using my old 900 on verizons network after I unlock it. It'll just be an extra phone eventually for my son after I receive my digitizer.
    09-28-2014 02:02 PM

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