Featuring S-Voice natural language commands and dictation and a Super AMOLED capacitive touch screen, this Samsung Galaxy S 4 I337 BLK cell phone allows simple operation. The built-in Wi-Fi enables you to access the Internet on the go.This device is not warrantied through the manufacturer. This device has a limited 1 year warranty provided by CCR Warranty. To obtain technical or warranty assistance, please contact CCR Warranty at 866-579-8436.This device may have been previously locked to a carrier and unlocked with approval from that carrier. There may be carrier logos on the device and/or logos in the device's software.