To program the SMSC (Text Messaging) number on Android devices, please follow these steps:
- Go to the phone application.
- From the phone application, press *#*#4636#*#*. (You will have to press the Call or Send button after entering this code in for some Android devices).
- Tap on Phone Information
- Scroll to the bottom to where it says SMSC and enter this number exactly as you see on this page (including all symbols): +17057969300
- Press Update.