Anonymous posted an answer for this Sony Ericsson K550i Cellular Phone:
"try turning it off for 24 hours"
Anonymous posted an answer for this Cell Phones:
"call fido with your normal phone (not cellphone) then tell them the problem."
Anonymous posted an answer for this Sony Ericsson W200i Cellular Phone:
"see if its on silent mode"
Anonymous posted an answer for this Sony Ericsson W200i Cellular Phone:
"heres an unlock code:0000"