Samsung SM-J110H/DS Galaxy J1 Ace Duos is an entry-level, dual-SIM Android smartphone. It features a 4.3-inch display with WVGA 480 x 800 pixels resolution – that converts to a pixel density of 217.4 pixels per inch. The device is powered by a dual-core Cortex-A7. , so it won't provide smooth performance while running high-end games or opening too many browser tabs. Comes with 4 GB of built-in storage, it also provides a microSD slot where you can insert a microSD card up to 64 GB.