Straight Talk ST64PSIMC4BMB Sim Card (Micro Size) and Activation Instructions Card for at&T & Unlocked GSM Phones (Sold by Peaceful Products) Compatible with Micro SIM devices such as the Samsung Galaxy S4, Samsung Galaxy S5, iPhone 4, iPhone 4s, LG G Flex & LG G2 No Service is included with this purchase. $45 Straight Talk Unlimited 30-Day Service Plan sold separately. For use with Straight Talk $45/month Unlimited Everything (Talk, Text, & Data) using AT&T's excellent cell tower network. $45 per month for Unlimited Data, Talk & Text! For use with any unlocked AT&T compatible GSM phone. SIM card will only work with an AT&T compatible or unlocked GSM phone. To activate your service, you will need a Straight Talk Unlimited 30-day Service Plan card or credit card. Some data services may not be available with all wireless devices No contracts, no bills, no credit checks. Keep your current phone number. Works with SIMs, IM, social networks, email, and web.