I recently upgraded to IOS with 4S; can text some people, others I cannot - anyone else experiencing this?
I have an article for you that can help you troubleshoot these issues with Messages:
iOS: Troubleshooting Messages
Thanks for coming to the Apple Support Communities!
Thanks braden85 - this resolved my issues.
Good to hear, tcbrowning! Thanks for using the Apple Support Communities. Have a good one!
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