Understanding the Difference between MMS and iMessage on Your iPhone

icon_messagingUse Messages to send text and picture messages to your friends, family, or other contacts.  When you use Messages, your texts and pictures are sent two different ways and if you use Straight Talk or Net10 Wireless you should understand the difference.

Like any other smartphone, Messages send standard SMS(text messages) and MMS (picture messages) to any other cell phone user. If you use the Apple iPhone and your buddy or sweetheart uses a Samsung Galaxy S III, your texts and pics are sent and received using SMS and MMS.  If you may remember fondly how AT&T, T-Mobile, or Verizon and the rest charged you a little fee per message or flat fee per month for unlimited messages.

Messages can also deliver your Messages using iMessage. iMessage is an Apple service that lets you send texts and pictures to other iPhone, iPad, iPod Touch, and Macintosh users.  The service is unlimited and free if you are using your iOS device on a Wi-Fi connection. It will also use your cellular data connection to deliver messages and the cost for that depends on your data plan.

To use iMessage you need to turn in on in the Messages settings. It uses your Apple ID, email, and cell number to connect you to other users using iMessage.

imess-settings

If you look carefully in Messages, you can see if your text or picture messages was delivered using SMS/MMS or iMessage. Messages sent using SMS & MMS appear in green.  Also notice that Messages shows the the message is a text messages (SMS) in the second screen.

bt-mms bt-sms

Messages sent using iMessage appear in blue.

bt-imessage

This is why if you are using Straight Talk or Net1o Wireless you often can send and receive text and picture messages with other iPhone users but not people using other iPhones.

15 comments on “Understanding the Difference between MMS and iMessage on Your iPhone
  1. maverick9611 says:

    try this guys/my imessage was still a little twitchy,i found this on a straight talk blog
    http://straighttalkiphone.blogspot.com/2013/01/imessage-waiting-for-activation.html

  2. maverick9611 says:

    bob,
    all good now.i just needed to wait for port to complete from ting to straight talk

    straighttalk actually called and let me know all is well
    food for thought:if porting on a Friday night,be patient!!don’t freak out!

    • Bob Thompson says:

      Hi maverick9611
      Glad to hear that.
      Thanks for taking the time to comment. If you use social media, please follow us on Facebook, Twitter, Google+, and YouTube. In addition to keeping up with latest updates at smartphonematters you would be helping us launch social media efforts. click here
      Regards
      Bob

  3. maverick9611 says:

    i have a iphone 3gs with straight talk/i have done all your tricks to engage cell data/messaging(sim swapping)so far cell data great,messaging a little funky.i can send sms pix with text but text shows up gray on my wifes iphone/i can send pictures no problem/text is a no go UNLESS i turn on subject field in messaging settings. then everything works perfect.pictures/text together no problem. i’ve been working thru this bout 4 hours trying different angles. i message initally was showing the activation error but is showing its operational. imessage not working all text are in green. any tips/pointers on messaging for the 3gs would be appreciated,great job!!
    ps i don’t mind the subject field but if a solution exist, i would like to explore it

    • Bob Thompson says:

      Hi Maverick9611,

      I have never heard of this problem before. Here is what I try:
      1. Back up your phone.
      2. Tap Settings->General->Reset->Reset All Settings. You won’t erase data like photos, email, and contacts. You will erase settings like wifi passwords, APN, etc
      3. SIM swap again, and set your APN info, reboot your phone.
      4. Test data, sending and receiving MMS
      5. Make sure SMS and MMS are enabled, and iMessage if off
      6. after testing, enable iMessage and check that it works.

      • Christina says:

        I was just curious if this worked.. I also have an iPhone 3gs and having that very exact problem..I have done everything and nothing will get the imessage to send in blue.. they all send in green, my boyfriend is iphone also.. its annoying

        • Bob Thompson says:

          Hi Christina
          I assume you have imesaage turned on in your settings.
          when your boyfriend sends you messages from his iPhone, are they blue or green?

          • Christina says:

            HI Bob

            When he sends me a message his are blue, and state delivered, but I dont get the message so for the life of us we cannot figure out where they are going!

  4. Rosemary says:

    My daughter has iPhone and I have android. Sometimes her messages come thru and sometime they won’t download with a commend stating message will expire on a particular date. Why???

    • Bob Thompson says:

      Hi Rosemary,
      I am not sure. Which phone companies are you using? You can email me a screenshot of the error if you like? Press the home and lock buttons at the same time and then release. The screenshot will go into the photos. You can send it to bob at the name of this website
      Regards
      Bob

  5. Roseanne says:

    I am sorry but I still have trouble understand I know my friend can send me a picture she had sent me one since I got this phone she sent it to me about 4 to 6 weeks ago. She also has an iphone. I know when I try to send people thing I happend to notice the stuff that whould not go through even to my friend is when any type of message comes or goes under the subject area I need help fixing so I can send thing also iPhone 3GS straight talk with AT&T compatible SIM card. Roseanne

    • Bob Thompson says:

      Hi
      This article explains the difference between MMS and iMessage. It explains why you may be able to send and receive pictures from iphone users but not other users. iMessage uses your data connection to send pictures, not mms. You need to correctly enter you mms settings for mms to work
      Regards
      Bob

      • b baxter says:

        Regarding Roseanne’s post: I bought an unlocked iPhone 5s from Apple yesterday and I’m only part way through your tutorials. I now have data & text with the Att.mvno profile but not picture message. Got to get a sim to try the sim swap. But I accidentally found that in settings for messages, if I choose to show “subject field”, my text messages will not go through. But if I unchoose “subject field” the texts will go through. What’s that about? Thank you so much for your helpful information! I have spent an untold number of hours trying to get previous phones to work correctly on StraightTalk and I really want to keep this new one, but only if I can get everything to work.

        • Bob Thompson says:

          Hi b Baxter,
          My guess would be that when you turn on the subject line the messages are no longer sent as SMS but as MMS. Group texts are also sent as MMS. Let me know who the SIM swap goes.
          Regards
          Bob

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