Galaxy Note 4, Dual-layer Heavy Duty Matte Rugged Protective Cover with Slider ID Credit Card Slot Cash Holder for Samsung Galaxy Note 4 by Cazle (Gold) COMPATIBILITY: This Galaxy Note 4 case is Precisely Cut for Samsung Galaxy Note 4 SM - N910C Frosted white Charcoal black Bronze Gold EASY GRIP: Anti-slip, tactile grip perimeter texture designed to release the flow of forced energy created from drops WALLET FUNCITON: Minimal Yet efficient ID storage slot gives extra convenience (UP to 3 Credit Cards and Cash Storage) PHONE SPEC:The phone runs on the Android operating system, which is currently the most popular platform on the market. TouchWiz, by Samsung, runs on top of Android on this device, offering a customized experience. PHONE CARRIERS: The Galaxy Note 4, from Samsung, was unveiled at a Samsung press conference at IFA Berlin on September 3rd, 2014. In the US, it's available from a variety of carriers, including AT&T Wireless, Verizon Wireless, Sprint, T-Mobile, and U.S. Cellular.