I can't send txts either on my newly updated S3. All outgoing txts fail. Rebooting and battery pulls do nothing. Have not tried the factory reset yet but that doesn't sound like it is working either.
-UPDATE- Ok, I can send txts to SOME people but not others. Everything else seems to be working ok except for some apps no longer are able to use the LED notification like they used to. That is definitely secondary to the SMS issues, tho. Guess I will be heading into the AT&T store yet AGAIN today. UGH!!!
-UPDATE 2_ Yep, swapping the SIM card fixed the issues with not being able to send txt messages. This was a PIAN because it was the iPhone5 launch day so AT&T store was NUTTY.
Only thing having issues now is the keyboard. The auto-substitution setting under predictive text no longer works properly. Before the update if I would type something like "Isnt" it would automatically change it to "Isn't". Now it just had the suggestion in the bar above the keyboard but no longer changes it automatically. This is a HUGE pain in the butt. Anyone else seeing the same issue?