A:Answer For the best experience, and to make sure you're on our latest network technology, your new phone is actually designed to be activated with the SIM card that comes right in the box. Using the new SIM ensures you get the fastest speeds and all the benefits of the Galaxy A15 5G on Boost Mobile. You can easily manage your upgrade and activation right from our website. Visit boostmobile.com to explore our amazing plans and get started!
