2011 Vodafone Free 500Mb Gprs Data Yes Friends u can get 500 MB GPRS data in ur own sim. First U have to send msg PORT MOBILE NUMBER to 1900 I.e. PORT 9876543210 to 1900 then u will get a porting code. After 4 hours getting that sms, uwill receive call from vodafone cc for asking u why are you switching to other operator ? Then u have to tell u that there is no good offers in vodafone compared to tata docomo or or reliance and others in data package. So they will offer u MB data withunlimited validity