1.) Resetting to defaults: Menu-> Setup-> Scroll all the way down to “Reset to defaults”, and confirm.
2.) Reset the phonebook by entering the following code on the main screen: *#323# (The phone should reboot and come back to the main screen).
3.) Clear out any stored Test messages by:
Menu -> Messages -> Inbox -> Options -> Delete All
4.) Do the same for
Menu -> Messages -> Outbox -> Options -> Delete All
and
Menu -> Messages -> Drafts -> Options -> Delete All
5.) Service center number needs to read the proper digits.
Menu -> Messages -> Settings -> Service Center
This number should Read +881662900005 or 00881662900005. Make sure to press “OK” to leave this screen, and not clear.
Note: If you are using a Pivotel SIM card with the phone, follow the USA SIM card Quick Start instructions for proper Voicemail and SMS Service Center number settings.