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Question: iPhone not sending mms when Android in group

I have a very strange problem that hopefully I can get some help with.


We are on a T-Mobile family plan. My wife and daughter each have an iPhone 7 with the latest iOS. I have a Samsung Galaxy S7. I've never had my number on an iPhone.


We had group message going with about 12 phones, probably 10 iPhones and 2 Androids. When my wife sent a message to the group, everyone received it except my daughter and me. My wife received group messages that were sent by either my daughter or me.


To do some additional testing, my wife sent a group message to just my daughter and me. Not received by either of us. We can send a group message to my wife and she gets that. Tested with my other daughter who has an iPhone 7 as well and same results.


Looked in settings->messages and both my wife's and daughter's phones have the same options.


I'm at a total loss as to why my daughter's can send a group text with my android in it, but my wife can't. And why did other iPhones in the large group text receive my wife's messages, but not my daughter's iPhone?


Anyone have any ideas?

iPhone 7, iOS 11.2.6

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Feb 26, 2018 1:25 PM in response to LexLuthor5 In response to LexLuthor5

LexLuthor5 wrote:


I have a very strange problem that hopefully I can get some help with.


We are on a T-Mobile family plan. My wife and daughter each have an iPhone 7 with the latest iOS. I have a Samsung Galaxy S7. I've never had my number on an iPhone.


We had group message going with about 12 phones, probably 10 iPhones and 2 Androids. When my wife sent a message to the group, everyone received it except my daughter and me. My wife received group messages that were sent by either my daughter or me.


To do some additional testing, my wife sent a group message to just my daughter and me. Not received by either of us. We can send a group message to my wife and she gets that. Tested with my other daughter who has an iPhone 7 as well and same results.


Looked in settings->messages and both my wife's and daughter's phones have the same options.


I'm at a total loss as to why my daughter's can send a group text with my android in it, but my wife can't. And why did other iPhones in the large group text receive my wife's messages, but not my daughter's iPhone?


Anyone have any ideas?

the max number of participant for a group message is 10.


As for the MMS issue, contact T-Mobile and let them know the issue and see what they say to resolve it.

Feb 26, 2018 1:25 PM

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Feb 28, 2018 6:45 PM in response to LexLuthor5 In response to LexLuthor5

Full data wipe didn't fix the problem. I tested after the reset but before restoring to rule out any software.


T-Mobile has opened up a ticket with engineering at this point. Seems like it's got to be something in their network.

Feb 28, 2018 6:45 PM

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Feb 28, 2018 7:18 PM in response to LexLuthor5 In response to LexLuthor5

When this happened to me. Here is what I did.

1. Make sure when she sends message it is Green
If you have an iMessage account with an email, for instance, it may be going to that.
If she had named the group, like "Family" instead of just your names from Contacts

2. You and your daughter should delete any previous conversations you had with her

3. Wife should delete any previous conversations she had with you.

4. Try to send message again.


NOTE: if you previously send any images to each other, save those if needed before deleted conversations.

Feb 28, 2018 7:18 PM

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Mar 7, 2018 8:47 AM in response to ZaZo In response to ZaZo

Engineering came back on the ticket saying that don't see anything wrong and that's it's probably an issue with the handset. They suggested I swap SIMs between phones to test the problem further. Since it works on my daughter's phone and doesn't work on my wife's, that sounds like a great idea. If I swap SIMs and do the group text from my daughter's phone with my wife's SIM and get the same problem, 100% it's a T-Mobile network issue.


When I swap SIMs, I don't have to change apple IDs or anything, do I? Since this is a "text message" as opposed to imessage, just a simple SIM swap and then sending the group message, should be enough, right? If I have to change apple IDs, it'll be much more of a PITA.

Mar 7, 2018 8:47 AM

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Mar 7, 2018 2:55 PM in response to ZaZo In response to ZaZo

Getting interesting here. That was a great suggestion T-Mobile had about swapping SIMs. I swapped the SIMs between the 2 iPhones and the problem followed the SIM/phone number and not the phone. So with my wife's SIM in my daughter's iPhone, that phone could not send a text to my daughter and me. With my daughter's SIM in my wife's iPhone, that phone was then able to send a text to my wife and me. 100% proves it's not the phone, but rather something with the SIM/network provisioning.


T-Mobile is going to overnight me a SIM. If a SIM swap doesn't work, their engineers are going to have to dig in further on this.

Mar 7, 2018 2:55 PM

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Question: iPhone not sending mms when Android in group