Verizon Wireless 4G LTE Certified MICRO SIM Card 3FF Verizon 4G LTE SIM card 3FF "Micro" sized SIM card. Compatible with iPhone 4/4s. Not compatible with iPhone 5/5s/6 and newer. Not compatible with most newer Android phones This SIM card is not universal in size and is only compatible with specific cell-phone models. Contact merchant before purchase to ensure compatibility with your device.