GoSmart Mobile Factory Nano Sim for iPhone 5S 5C 5 (Go Smart) Factory Nano Sim (Not Hand Cut), Works with Unlocked or T-Mobile versions of iPhone 5s, 5, 5c, Brand New, Sealed in package. Prepaid GoSmart Mobile plan starts at $30, go to gosmartmobile.com for more info. This is all you need to activate GoSmart prepaid online. All info included in the kit. No Airtime included. You can refill online.