The Samsung Focus was one of the first smartphones to run on Microsoft's Windows Phone 7 operating system, and was the first Windows Phone 7 device to feature a microSD card slot. The device originally shipped with Windows Phone 7, but has since become upgradable to Windows Phone 7.5. The device features a 4" Super AMOLED Plus display, with a resolution of 480x800, and a layer of Corning Gorilla Glass. At the heart of the Focus is a 1GHz Qualcomm Snapdragon processor, with 512MB RAM, 8GB internal and up to 32GB microSD storage. other features include a 5MP camera, 720p video recording, FM radio and a 1500mAh battery.