IFIX 3C for SAMSUNG Galaxy S4 i337 AT&T M919 T-Mobile LCD Touch Screen Digitizer With Frame (Black Color) Compatible With: Samsung Galaxy S4 (GSM Models - T-Mobile M919 AT&T I337) 100% QC before shipment Front Assembly with Frame with Free Repair Tool Kits Class: A-Grade Brand New High Quality What it fixes - This product is for repairing your damaged or malfunctioning LCD display.