I've tried all troubleshooting I've been able to find. I have turned off wi-fi, reset phone ... The only thing I haven't done was reset to factory default, which I'd rather not do.
michellem0771, I rely on my messaging service heavily. Let’s figure this out. When did this problem start? What app are you using when trying to send? Please try to clear your App Cache: http://vz.to/1LNj6i4.
