It says my purchase has a family

The purchase already supports a family. Rejoin that family puts this phone back in it. Take it with you starts a new family instead: the old family loses the plan at once and all of its phones drop to the free plan. Choose Rejoin unless you mean to leave that family behind.

More on this topic

• What plans are there, and what do they cost?
• Is there a free trial?
• How do I use the code from Joann's book?
• My book code isn't accepted
• How do I cancel?
• What happens when the plan ends?