Anonymous posted an answer for this Cell Phones:
"first which sim ur using? go to msg settings and chech ur setting then u r call ur..."
Anonymous posted an answer for this Sony Ericsson Cyber-shot C902 Cellular Phone:
"basic factory code is 0000 its dos't work go to provider Jay"
Anonymous posted an answer for this Sony Ericsson W200i Cellular Phone:
"go menu, 1.settings 2.advanced 3.master reset (all) it will ok Reards Jay"