[https://support.sprint.com/support/article/Troubleshoot-issues-related-to-text-messaging-on-your-ALCATEL-OneTouch-Retro/WTrendTroubleshootingGuide_542_GKB78956-dvc8470005prd|This troubleshooting article] is for the OneTouch Retro (on Sprint), but the troubleshooting steps may well be the same:
1. Make sure airplane is off.
2. Update the [https://en.wikipedia.org/wiki/Preferred_Roaming_List|PRL].
3. Perform a soft reset.
There are a couple of other steps listed if none of these do the trick.
Good luck!