Apple iPhone 4S mobile was launched in October 2011. The phone comes with a 3.50-inch touchscreen display offering a resolution of 640x960 pixels at a pixel density of 326 pixels per inch (ppi). Apple ...

It sports a 16-megapixel camera on the front for selfies with an f/2.0 aperture. The Lenovo Z5s runs ZUI 10 is based on Android Oreo and packs 64GB of inbuilt storage that can be expanded via microSD ...