The prepaid starter packs are designed for new customers not for existing customers. It is generally not able to be swapped however the only people who would be able to help if it is able to be done is support. You can chat with them here http://livechat.boost.com.au
---------- Helpful Links: Outage in your area? - Check for outages on the network Need help with an account issue? - LiveChat 24x7 here Recharge, Int. Call and Roaming Options - Rates page ---------- I am not a Boost or Telstra Employee, but I have a reasonably strong knowledge of technology in general. Just here to help when I can.
This Community is for Boost Australia, but if you are looking for Boost Mobile USA click here, or for their community here