MMS sending and receiving issues

I too am having this same issue!! Along with not being able to send MMS messages with wifi on. This is horribly annoying and getting expensive! 

I was able to fix the "wont send with wifi on" issue by doing a factory reset on my phone and not brining any settings over from my old phone.  Something must have went haywire durring the transfer i guess.  Same thing on my wifes phone, i didnt bring settings over from her old phone and its working fine.  I was able to bring over contacts at least.

I've been having this issue for quite some time and I am getting extremely frustrated. I also exclusively use group messages which use MMS for work and they don't always come through and it is getting to the point that I am going to have to leave and go to a more reliable carrier. I cannot continue with this issue. I have tried every messaging app that I can think of and have factory reset to no avail.

@ComcastChrisL ...

With all due respect this is the most ridiculous thing I've ever heard. The whole idea of going with the by the gig plan was to save money. I work from home and I am on WiFi basically all day. My wife is the caregiver for our disabled son and she is home all day and on WiFi all day as well. After a few months of thinking I was saving and Xfinity was doing something right I noticed I was wrong. Something changed in January. To tell people to shut ther WiFi off when sending a data loaded message is like saying "excuse me while I pick your pocket". My monthly mobile bill is now as high or higher than when I was with Verizon. You know as well as I know it's a hassle to switch services but that is exactly what I am considering. Your customer service can't even tell me that you are working on a solution to this problem.  Xfinity needs to fix this problem. Telling me to shut my WiFi off is not the solution.   

Hello everyone,

I wanted to provide an important update to this issue.

Samsung is currently working on a software update to address this issue; this is anticipated to be available beginning in March. More details will be provided by Samsung in the coming weeks.

The issue stems from the operating systems themselves, Android 9 and 10.

Please be on the look out for the incoming update that should bring resolution to this issue. Thank you again for your continued time, and support.

Chris

I just switched from T-Mobile to this mess today, this is not a good first impression and I am about to switch back to T-mobile. This is a mess.

I can receive some text but not others. waiting until the beginning of march for a fix is unacceptable.

I can't even receive text from xfinity to log into my mobile app.

I hope this get fixed very soon. Aside from this incredibly annoying issue, I have not had any other issues. For a while, if I used the default Verizon Messaging app, I was able to send/receive MMS texts on wifi. If I used any other Messaging app, it would fail. But then, that stopped working late in January. So my work around no longer works. I will be keeping an eye on this forum, because I hope there is a solution soon. 

So I called Xfinity "customer service" yesterday and their answer was the same, shut off the wifi to send these MMS and picture messages. That call didn't end well, so I actually went to visit the local Xfinity store. The nice young lady there said these picture messages do not count towards your data usage because I have unlimited calling and text messaging. Absolute contradiction to what your answer was here @ComcastChrisL when you said the picture images DO count against data usage. Either poor training or just flat out lying somewhere. All I know is I am using more data now than before. I will be telling my bank not to allow the monthly charges to my debit card until this is resolved or until I switch carriers...again.