Text messages are randomly delayed by up to a day

I've been experiencing this ever since I switched over from AT&T. Never had an issue with ATT. I had with with a ATT phone that was carrier unlocked to Tmobile, and now with a TMobile Iphone XS Max. It happens at random as the OP mentioned. Rebooting my phone every so often seems to help. I already cleared out all my texts to be sure it's not a phone/memory/text cache issue. It's a TMobile network issue. 

I'd love to get an  answer here if the original poster found one or if a T-Mobile rep can be bothered to respond as I have the same problem. Notably I had  been using a Samsung Android phone with T-Mobile until 5 or so months ago and am now using an iPhone with T-Mobile and  I've had the problem  with both phones. I feel like that pretty much rules out the issue b eing anything other than a T-Mobile problem.

i know there is a reset or refresh that can be done on your specific line internally on the TMO side but im not sure if the agents in here can do it or if you must call in to get it done..

these are only guesses as to what might fix it on your end.. its basically going to end up being either something with your account/line messing up a bit or your device..

out of curiosity...do you happen to know anyone else with TMO around you? and if so are they seeing the same thing or only you?

It's completely at random. No calls, nothing. Sometimes I'm browsing the web and sometimes my phone is in my pocket.

interesting. do they just up and come through or is it usually right after you make/receive a call that they all start coming through?

The problem with sending messages to myself is that the issue is random. It's not constant. Things might be fine for a week and then suddenly I'll get a couple dozen texts dumped from a single group thread. It's not any specific person being delayed in this case. It's the whole thread. I've also seen it with 1-on-1 texts as well, though it's usually groups. I've already tried resetting the network/carrier settings on the phone, but it keeps happening. I also have zero issues with any other network activity when this happens. I can call, browse the internet, etc without issue, and as I am, I get the text dump.

Also, TMobile, please learn what QA is when designing web pages. Clicking off of the text box that I'm currently typing in and then back on it should not autoscroll my browser to the bottom of the page.

when it seems like you havent received any texts in a while try texting yourself to see if it comes right through or if its delayed..helps rule out the problem being on your side..at least with sms...to test mms send youself a pic and see how long it takes to come through...

the delayed texts coming in...are they usually delayed from a specific person/people in the group or is it a bit random? could end up being the relay from one carrier to you that has the issue as well..kind of a hail Mary but cant exactly rule it out either.

one other thing to do would be a network reset..your phone might say you have great signal but you might be hung up on a further out tower causing issues.

someoneelse wrote:
I've been seeing this off and on for months in group texts mostly, but also in direct texts as well. The problem is that text messages are often delayed by up to 24 hours and then dumped all at once into my phone. This is looking to be a TMobile issue. I'm on an iPhone 11 Pro with the latest version of iOS. To sum up:
This is only with text messages, not iMessage or other messaging apps.
This happens when I have a good signal and a wifi connection in my house, but it has also happened when I'm out and have only cellular, but still a good signal.
The other people in group chats are spread across numerous different carriers. None of them have reported this.
The usual phone troubleshooting steps (quit the Messages application, restart the phone, etc) do absolutely nothing.
I checked the activity logs in my TMobile account. The text messages in question all came through at the same time according to the logs. It looks like it's somehow getting delayed inside of TMobile's system.
I've missed some texts due to this that were relatively time-sensitive. I don't think I need to express my frustration at something as old and dead-simple as SMS/MMS getting screwed up like this.
It also doesn't help my frustration when the browser based Places/Topics Browser is hopelessly broken and the page I'm using to write this keeps auto-scrolling down when I interact with a number of elements on the page.