Sign up for any 3-Month Plan at Mint Mobile and you'll receive an extra three months of service for free. Mint Mobile's plans start at $15 per month and each plan will include unlimited talk and text, and data at 5G speeds. Each plan will also come with a 3-in-1 SIM Card Kit, so you can use your own unlocked phone. If you purchase a new phone directly from Mint Mobile and pair it with a six-month plan instead, you'll receive an additional six months of service for free. This offer is valid for new customers only. Shipping is free.