Anonymous posted an answer for this Sony Ericsson K800i Cellular Phone:
"Contact your service provider and ask for text reconnection or explain your problem to..."
Anonymous posted an answer for this Sony Ericsson K300i Cellular Phone:
"Please reload your account balance to avail internet service. Ask for requirement to avail..."
Anonymous posted an answer for this Sony Ericsson K300i Cellular Phone:
"You have to install first your GPRS/MMS/3G settings"
Anonymous posted an answer for this Sony Ericsson K300i Cellular Phone:
"Contact your internet service provider or your network provider and ask for internet..."
Anonymous posted an answer for this Sony Ericsson K300i Cellular Phone:
"You have to replace it."