This sim card reader slot socket holder replacement is designed specifically for the Apple iPhone 4S. It is compatible with the iPhone 4S product. The item is suitable for those in need of a replacement for their old or damaged sim card reader slot socket holder. The product falls under the Mobile Phone Parts and Mobile Phones & Communication categories. It is a type of sim card reader and is only compatible with Apple devices. Purchase this item to ensure your iPhone 4S functions properly and to avoid any issues with your sim card.