You can swap your Boost whenever you like. To swap an active Boost for an inactive one:

  1. Tap the Cash Card tab on your home screen
  2. Tap Change on your current Boost
  3. Tap on an available Boost
  4. Select Activate Boost

Boosts whose icons feature a lock will need to be unlocked before they can be added to your Cash Card. Tap a Boost for more details on how to unlock it.