Group texts won't send

@kathyinca Were you able to get this problem resolved? I have been having the same problem for the last couple of months and it is very frustrating.

@brandyvee No, still having problem intermittently. 

Also some replies to group texts come in as individual messages with no subject and hang on downloading. Sometimes they then pop back over into the group and sometimes they never load. It's a huge problem for me. 

I have the EXACT same problem. Thought it was my related to my old phone (s10 plus) but just got a new s21 and it still happens. Longer texts often get hung up in group messages, and incoming texts come in as an individual text that fail to download. I see that this happens when my cell service is spotty. In areas of good service this doesn't happen. Text over WiFi DOES NOT resolve this problem, seems to still try and use the cellular network for multimedia texting. I am extremely disappointed that it still happens on my me phone, to the point that I think I am going to switch carriers. Good luck, let me know if you ever find a solution. 

Limit long texts to a maximum of 3 messages converted to one MMS.

I have had the new Samsung 23 PLUS for 3 weeks now, when I switched to T-Mobile and was sent the phone as part of the promotion to get me to switch.  I'm having terrible issues with Group Texting, I've already talked to customer service about it and they insisted on walking me thru "how to send group texts 101," as if I didn't know what I was doing.  I know very well what I'm doing, and I know how a phone service is supposed to work, and this one is NOT working.  Not only do I have a problem with intermittent group txts, but what I receive back isn't necessarily in the order sent to me, so it's very confusing at times.   I refuse to spend MY time "documenting" the times, the locations, and the phone numbers I'm group sending to, the problem is NOT mine, it's T-Mobile's as documented here by everyone else.  NEVER, EVER had such problems with my old service, NEVER had to "delete txts" to solve problems, NEVER was told to "restart" to try to solve problems, NEVER had ANY problems with my old service, and I'm regretting now that I left it for this one to save $50 a month.  

Try using a different texting app.  If you are using RCS.  You could try turning that off first.

I am having the same issue with group text with and without attachments and I don't feel like I should have to delete any messages because I don't have that many and I don't think I should have to do anything special to get them to send.  It is also intermittent.  I pay good money for my iphone and for the service that I expect to work.  I did contact customer service and they replaced my sim card and assured me it would correct the problem but it did not.  I have been a customer for a very long time but if it keeps this up I will be changing carriers.  The need to resolve this issue.

usually its a data issue or lack there of. what phone is it? might have to mess with a different texting app to see if its app related and not so much phone related.

Samsung S22 Ultra while using the Samsung message app that came on the phone.

interesting. anything like battery saver mode turned on?