Does the iPhone APN SIM Swap Trick Still Work with iOS 7.1?

A reader Tom asks

The att.mvno profile works for me for data but when I delete that and do the sim swap and enter the fields it is not working. I made sure to make sure they were right before backing out of Cellular Data twice. I am wondering if it is changing right as I hit Cellular to back out of if I just need to try a different proxy. The settings look the same as what worked for me doing the sim swap before I had IOS 7 so I feel like I am doing something wrong.

Hi Tom,
I don’t know.

All of my Straight Talk Wireless accounts use the tfdata APN and my internet, data, and MMS picture messages, and group texts just work without installing an APN profile or the sim swap. I have had a number of readers with Straight Talk accounts that use the att.mvno APN comment that they had problems with the SIM swap too but I can’t say that it does not work at all.

It sounds like you are experienced with the SIM swap and are doing it correctly. Here is what I’d recommend.

1. Double check your APN Settings at the Straight Talk web site.
Straight Talk has a habiit of updating APN settings on customers. Many customers had their APN changed from att.mvno to tfdata. You can check at
http://www.straighttalk.com/wps/portal/home/support/apn
Use Android 4.0 & 4.1 as your phone type.

I doubt this is the case for you, since your data works with att.mvno, but it only takes a minute to check.

2. Change your APN from att.mvno to tfdata
Most new Straight Talk Wireless accounts use the tdfata APN rather than att.mvno. If your APN is updated to tdata your data and mms might just work without installing APN profiles or SIM swapping.

There are two ways you can update your APN. The first is to call or online chat with Straight Talk and ask them to change it for you. Just tell them your phone is working, ask them what APN settings to use, and they may just update them for you. Tell them the tfdata APN profile did not work for you. You should be able to force your APN yo change to tfdata by transferring your service to a new SIM. You can do it from the Straight Talk web site, its fast and easy. When you update your SIM, the APN should change to tfdata. If you are using the iPhone 5, you might see better LTE performance with a new SIM.

I think this is the best option and its what I would do. My only reservation would be, like everything else with Straight Talk, you can also run into a problem whenever there is a change.

3. Keep trying the SIM Swap

  1. Try the SIM swap a few more times and see if you can get data working.
  2. remove your APN profile
  3. SIM swap
  4. set only the Cellular Data APN to att.mvno
  5. save. Restart your phone and test data.

If data doesn’t work, I’d say the SIM swap isn’t going to work for you. Id data works, then it’s possible the SIM swap may work.

If you decide to sim swap, try adding the MMS UA Prof URL and the Max Message Size and see if that fixes the problem. If not, well then you might want to to try some alternatives for your MMS Proxy and MMSC values. Before iOS 7.1 was released, this seemed to work for many people. See the comments on I Can’t Receive MMS Picture Messages Using Straight Talk or Net10 on My iPhone Using iOS 7.0.4

16 Comments

  1. Eva | | Reply

    Has anyone solved their problems by ordering a new SIM? I purchased my ATT sim in early 2012 via the BYOP program. I recently bought an unlocked iPhone 4s, iOS 7.1, cut my sim down to size, and can’t get MMS working. Data and phone are fine. I use the att.mvno APN. I tried the other APNs, just in case, but I can only get data using the att.mvno profile. I don’t have a T-Mobile sim handy to try the swap.

    My concern with ordering a new sim from Straight Talk is that I can’t verify that I will keep my number. The only number porting options I see on the website are moving a phone number from a different carrier to Straight Talk.

    • Bob Thompson | | Reply

      Hi Eva,
      You can buy a t-mobile SIM for a couple of dollars if you want to try the SIM swap. Look on Amazon or eBay. If you transfer your service to a new SIM you will not lose your number. You need to choose the “Transfer my Existing Straight Talk Service -You can transfer an existing Straight Talk number to another Straight Talk phone” option once logged into the web site.

      Regards
      Bob

      • Eva | | Reply

        Thank you! I am going to try a friend’s SIM tomorrow- I’m just not optimistic about the results based on what I’ve been reading. I had to update my APN quite a bit on Android due to MMS or data suddenly not working and am concerned about not being able to easily do that on this phone.

        • Eva | | Reply

          Just an update: My ATT ST SIM stopped working completely the first time I tried the SIM swap. I’m guessing it’s probably related to the fact I converted it from standard to micro size with a pair of scissors. I’ve ordered a new SIM and will live without MMS if it doesn’t work on this one.

          • Bob Thompson | |

            Hi Eva,
            Does your phone show, no service, no sim, or invalid sim. If you only cut the plastic the SIM should be ok. Let me know how it goes wit the new SIM.
            Regards
            Bob

          • Eva | |

            The phone showed ‘No Sim.’ I’d guess excessive handling and the hack job contributed to shortening the life of that sim. The card had worked in my iPhone for about a month (after I cut it).

            The new sim uses the tfdata apn settings as opposed to the att.mvno I had before. The good news is that I can send and receive MMS without doing any swaps or downloading any profiles. It took about 20 minutes before MMS started working.

            The bad news is that data speeds seem much, much slower with the tfdata sim than they did with the att.mvno sim. The phone tests well using speedtest (4mbps up, 1.3 down), but web browsing is painful.

  2. Beth | | Reply

    I have the iPhone 4s and after a few days from switching to straight talk and talking to the corporate office i started getting mms pictures from android users. I don’t have a profile set up on my phone either. I didn’t have a sim to swap so there wasn’t much I could do but call and after 5 customer service reps I gave in and called the corporate world and voila it’s fixed 🙂

    • Sp3ctre18 | | Reply

      What do you mean you called the corporate world and voila it’s fixed? You should give details for all the other poor souls still needing help. :/

      • Bob Thompson | | Reply

        Hi Sp3ctre18,
        I replied to you via email.

  3. Susy | | Reply

    I recently bought an unlock H9000 smartphone that Im trying to connect with straight talk but when I put the att sim card it keeps saying mobile network not available.. What can I do?

    • Bob Thompson | | Reply

      Hi Susy,
      I assume this is a chinese android phone. Do you have a link to the website you bought it from so I can look at the specs?

      Regards
      Bob

  4. Tom | | Reply

    I bought an Iphone 4 from a friend a few years ago. At the time StraightTalk did not offer the Iphone or BYOP plan. However, you could get a certain model ST phone that used an AT&T sim and once active cut that sim down and slip it into the Iphone. Once my friend got AT&T to unlock the Iphone I was able to do the sim swap and get MMS to work. Since does not know I am using an Iphone I was thinking they might have me set in their system to use the old att.mvno settings (that is the APN profile that still works for me, the others do not). Even just transferring from sim to sim slightly scares me because I know if they mess up somehow and release the number without porting properly (was originally a Tmobile #) I might lose that phone # and not get it back. I have had it for years and that is all I worried about with that.

  5. Tom | | Reply

    Thanks. I think I know my problem, or part of it. I failed to mention I joined StraightTalk before I could bring my own phone. I was one of the people who bought a StraightTalk AT&T model phone and cut the sim down to fit into an Iphone. Works overall, and sim swap even worked previously but I am guessing I might have to buy one of their AT&T micro sims, let them know I am using an Iphone and port the number. I was hoping to avoid that. The idea of them porting my number scares me because I am paranoid they might lose my number. I guess its that though or no MMS.

    • Bob Thompson | | Reply

      Hi Tom,
      Are you saying you bought a Straight Talk iPhone and then used either a Straight Talk BYOP SIM in your phone or the SIM from another Straight Talk phone? Do you have and iPhone 5?

      You don’t need to port your number. You should be able to transfer your service one Straight Talk phone to another, or in this case to a Straight Talk SIM.

      It’s my experience that the less information you share with ST support the better. They work off a script, and if your situation doesn’t match the script it makes it difficult to make progress.
      Regards
      Bob

      • Tom | | Reply

        I bought an Iphone 4 from a friend a few years ago. At the time StraightTalk did not offer the Iphone or BYOP plan. However, you could get a certain model ST phone that used an AT&T sim and once active cut that sim down and slip it into the Iphone. Once my friend got AT&T to unlock the Iphone I was able to do the sim swap and get MMS to work. Since does not know I am using an Iphone I was thinking they might have me set in their system to use the old att.mvno settings (that is the APN profile that still works for me, the others do not). Even just transferring from sim to sim slightly scares me because I know if they mess up somehow and release the number without porting properly (was originally a Tmobile #) I might lose that phone # and not get it back. I have had it for years and that is all I worried about with that.

        • Bob Thompson | | Reply

          Hi Tom,
          Any changes to Straight Talk account can potentially cause a problem. Personally, I think you wont lose your number in a SIM transfer. Straight Talk already has control of your phone number, at this point there is nothing to be ported. You have a straight talk account. Your phone number is associated with that account as well as your phone (the SIM serial number). Transferring to a new SIM is simply replacing the SIM serial number associated with your account.

          I can understand that you want to protect your number, so choosee carefully.

          See if you can get data to work with the SIM swap. If you can, I think you’ll have a chance at MMS too.

          Let me know how it goes.
          Regards
          Bob

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