If you have a smartphone that you would like to use with Straight Talk, you’ll no longer need to cut the SIM card if the phone uses nano-SIM. Straight Talk has started selling official nano-SIM card for nano-SIM phones. These cards, which are the smaller SIM card and latest technology of SIM card, are now being used on popular one phones like the iPhone 5, iPhone 5c, iPhone 5s, Lumia 1520, and Moto X. Straight Talk nano-SIM cards are compatible with 4G LTE, if your phone supports it. The card can be purchased off Straight Talk site for $6.99.