A smartphone in a slim and stylish design, the I400 is based on Symbian OS and S60 which offer extensive language supports, 
enhanced download applications and multitasking features. With Symbian S60, the I400 allows users to install programs on their mobile phones just like PCs. The slider supports full web browsing and Bluetooth connectivity for business users. To enhance its multimedia features, the I400 also includes a 2.0-megapixel camera, music key and stereo dual speaker. Moreover, the I400 has a 2.3-inch wide display for the convenient use of business and multimedia functions.
Samsung I400 Symbian Smartphone Showcased - Mobiledia