http://www.prepaidphonenews.com/2015/07/boost-promos-give-new-and-current.html
New, Ports, Upgrades (existing customers)
Free 2 GB of Data to any plan
***
2 GB of high speed data for life: All customers who have been on a Boost monthly plan for at least 90 days can get an additional 2 GB per month of FREE high-speed data by texting BOOST2GB from their device to 8005. Customers get to keep the extra 2 GB for as long as they stay on their existing monthly plan This offer is available to all Boost monthly plan customers and does not require a store visit.
New, Ports, Upgrades (existing customers)
Free 2 GB of Data to any plan
***
2 GB of high speed data for life: All customers who have been on a Boost monthly plan for at least 90 days can get an additional 2 GB per month of FREE high-speed data by texting BOOST2GB from their device to 8005. Customers get to keep the extra 2 GB for as long as they stay on their existing monthly plan This offer is available to all Boost monthly plan customers and does not require a store visit.