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If you recently unlocked your iPhone 4 and tried to run it on a T-Mobile US SIM, you must have noticed that MMS doesn’t work anymore. Well good news is that there is now a fix available in Cydia which will fix this problem once and for all…..

There are many issues you face on the iPhone especially when you jailbreak the device to get a hold on all those apps not available on the App Store. These issues include certain features not working, like Bluetooth tethering, issues with camera, etc. However T-Mobile users face a totally different one, primarily with sending MMS on the latest Apple release, the iPhone 4 running the iOS version 4.0 and 4.0.1.

Simply follow the instructions posted below to fix MMS issue on unlocked iPhones on T-Mobile US running on iOS 4.0.1 / 4.0.

Step 1: Start “Cydia” on your iPhone. Touch on “Manage” tab on the bottom, and then on “Sources” as seen in the screenshot below:

Step 2: Now touch on “Edit” and then on “Add”. You will be prompted to enter a url source as seen in the screenshot below. Type http://cydia.pushfix.infoand touch on“Add Source” to add this repo if you haven’t already.

Cydia will now automatically update your sources by following a series of automated steps.

Step 3: After installation is completed. Search for “T-Mobile US  MMS Fix for iOS4” in Cydia and install this application.

Step 4: Now navigate to Settings –> General –> Network –> Cellular Data Network and verify that you have the following settings for MMS:

MMS Proxy:
MMS Max Message Size: 1048576

Now simply restart your iPhone and voila! MMS should now be working on your jailbroken and unlocked iPhone on T-Mobile US.


How To Fix Your iPhone If You Dropped it in Water

Panasonic Lumix FZ40
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  On August 8, 2010(6 years, 10 months ago.)

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What Do You Think?

43 Responses

  1. Don Clark - Atlanta Says:

    did not work for me. 8gb 3g running 4.0.2 does not show cellular data option.

    Posted on September 7th, 2010 at 5:59 PM

  2. Don Clark - Atlanta Says:

    It does work after all. (this is Don Clark – Atlanta) from previous comment.
    All you have to do is be sure to insert the tmobile sim card before you begin this process. Even if you didnt, just stick the SIM in – and the option Cellular Data Option shows up.

    Posted on September 7th, 2010 at 6:28 PM

  3. juandgame Says:

    I having been messing with this for a week. Finally I have mms working. Thanks a million.

    Posted on December 7th, 2010 at 1:48 AM

  4. Diemtrang89 Says:

    I tried but it still doesnt workk. For some reason it could send the picture. The red exclamation point still appears at each message

    Posted on December 24th, 2010 at 6:33 AM

  5. Lovecow007 Says:

    I do every single step on this guide. Still my iPhone can’t send mms? Any way to check for it? Please let me know. Thanks you

    Posted on December 24th, 2010 at 8:59 PM

  6. Aznsowass Says:

    thanks a bunch really works!!!!!!!!!!!!

    Posted on December 29th, 2010 at 4:10 PM

  7. Nonisdimplez Says:

    This doesn’t work!!!!

    Posted on January 5th, 2011 at 7:42 AM

  8. mitsukix3 Says:

    it works! but strange.. I cannot receive the pictures from my friends but I can send picture text. :/ any suggestions?

    Posted on January 21st, 2011 at 9:59 PM

  9. Lonea81598_99 Says:

    Thank you sooo much! I’m back in business!!!!

    Posted on January 25th, 2011 at 4:13 AM

  10. Lonea81598_99 Says:

    If it doesn’t work then double check your settings, and delete any previous mms fix from your phone first…

    Posted on January 25th, 2011 at 4:15 AM

  11. ricky Says:

    thanks alot it works 500% u can leave both APN on

    Posted on January 30th, 2011 at 6:32 PM

  12. Www Ryan8437 Says:

    Did all that and still no mms. HelP

    Posted on February 17th, 2011 at 7:11 PM

  13. Dortiz70 Says:

    I did all the steps and checked cell network everything is the way you said but still not working please help

    Posted on February 17th, 2011 at 11:05 PM

  14. Www Jadetstormd Says:

    thank u god been working on this for days

    Posted on March 5th, 2011 at 11:17 PM

  15. Www Jadetstormd Says:

    thank u god been working on this for days

    Posted on March 5th, 2011 at 11:17 PM

  16. CustoderoN Says:

    works great. even though i got an error message when downloading the cydia app

    Posted on March 16th, 2011 at 4:36 AM

  17. Anand_1810 Says:

    Worked great for me, thanks alot

    Posted on April 1st, 2011 at 7:55 AM

  18. lilasiangirl1108 Says:

    what works for 4.2.1?

    Posted on April 1st, 2011 at 3:33 PM

  19. Geridjulian Says:


    Posted on April 2nd, 2011 at 1:59 AM

  20. debbie chang Says:

    how can i fix my 3G 4.1 ios to get MMS on the iphone with sim card?

    Posted on April 5th, 2011 at 2:28 AM

  21. Gyip7 Says:

    Thanks! This worked right away! Kudos to you!

    Posted on April 5th, 2011 at 8:42 PM

  22. Lilazngirlly Says:

    didnt work for me. anyone can help me fix it please?

    Posted on April 15th, 2011 at 8:17 AM

  23. Claayboy2980 Says:

    great,it worked on my happy…………..

    Posted on April 16th, 2011 at 11:06 PM

  24. Sufianali Says:

    i have tried it but now i dont have networking setting option available to put this info in it. and tried many ways to fix it any idea what can be dont to get that option back?

    Posted on April 19th, 2011 at 4:46 PM

  25. brando1972 Says:

    to fix this…..go to settings….general network and pop out the sim and pop it back in and the place to enter everything will show up

    Posted on April 26th, 2011 at 3:17 AM

  26. Terrance Says:

    Did every step said but can’t get into cellular data network. Only can turn on and off. Any help??

    Posted on April 28th, 2011 at 12:59 AM

  27. Ggonzalez Says:

    AWESOME i get it working thanks so much for this info man!

    Posted on May 5th, 2011 at 2:27 PM

  28. Makingputashorny Says:

    Do a hard reset after installing mms fix. You should get the options.

    Posted on May 8th, 2011 at 5:16 AM

  29. Jedi_don_knight Says:

    Thank you I did everything you said and it fix my problem. Now I can send and get picture messages.

    Posted on May 21st, 2011 at 12:20 AM

  30. Sassygurl55 Says:

    Awesome!!!! It worked!!!! Thank you so much!!!!

    Posted on May 29th, 2011 at 8:56 AM

  31. Bigdaddy1171 Says:

    thank you so much for this i had been looking for months for something that really worked and this definately did it thank you so so much =)

    Posted on June 9th, 2011 at 6:15 AM

  32. Mjshsu21 Says:

    Everything automatically changed in my settings except my APN…it still says

    Do I manually change this and will it affect anything?

    Posted on June 16th, 2011 at 3:23 PM

  33. Judy Chao Says:

    i still can’t receive and send picture text message please help me.

    Posted on June 27th, 2011 at 2:51 AM

  34. Isamar Says:

    i did the whole process but my phone is unlocked with gevey sim card and every time i turn of  my phone i have to do the entire unlocking process which means resetting my phone which deletes every thing i typed on the cellular  data

    Posted on August 26th, 2011 at 11:00 PM

  35. Awilliamson86 Says:

    My T-Mobile US  MMS Fix for iOS4 wont install is there a trick to gettting it to install. Thanks

    Posted on September 15th, 2011 at 6:42 AM

  36. Awilliamson86 Says:

    My T-Mobile US  MMS Fix for iOS4 wont install is there a trick to gettting it to install. Thanks

    Posted on September 15th, 2011 at 6:42 AM

  37. Mo-diego42 Says:

    i did all the steps i can send pics but cant recieve them it says that the media content was not included due to a picture resolution or message size restriction 

    Posted on September 27th, 2011 at 7:17 AM

  38. joe1972 Says:

    worked great for me. been missing out on alot because of this problem….

    Posted on October 8th, 2011 at 4:55 AM

  39. Liz Stabbert Says:

    Fantastic! Worked for me!

    Posted on January 6th, 2012 at 4:58 AM

  40. Luv902 Says:

    This was my solution to the MMS problem. Amazing!!

    However, did a cydia update on all sources+apps and now MMS isn’t working. Reinstalled the tweak and still nothing. Any idea? I’m lost… please help-

    Posted on January 20th, 2012 at 5:45 AM

  41. Atracplos Says:

    I have the same exact problem

    Posted on January 20th, 2012 at 2:59 PM

  42. ELVEHOADS Says:

    I upadated cydia and now i can not send or receive messeges as I used to. It seems that updating Cydia is not fully recommended.

    Posted on January 20th, 2012 at 3:03 PM

  43. Deminx Says:

    Recipients are claiming that the pictures I send are distorted. Is there a fix for this?

    Posted on January 30th, 2012 at 1:42 PM

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