Can’t send or receive text (MMS) messages or picture attachments?
I have a Galaxy s7 on AT&T's unlimited $50 plan. Initially I assumed it was the default messaging app's fault, however after experimenting with numerous messaging apps, all to no avail, I have concluded it must be something in my settings or an issue with the service. "Data Saver" has been turned off and to my knowledge all restrictions have been removed.... I'm stuck