Reg. Ur cp number or create a account at this site my.smart.com.ph. add ur cp # confirm it using the code recieved tru txt. After go to services option under that #(the one u registered). Deactivate roaming. Once confirmation messgaed will be received. Txt load protect on to 9999, 3g on to 333. Or mms on to 333 and reboot device...