The Good The Samsung Galaxy S4 has Android 4.2.2, a fantastic camera, a powerful quad-core processor, and software solutions for just about every scenario ...
Samsung Galaxy S4 review - the Android 4.2 powered iPhone 5 rival has landed, but can it live up to the expectations laid by its Galaxy S3 predecessor?
But despite its lackluster industrial design, Samsung never skimps on specs and the Galaxy S4 comes loaded with some of the advanced components on the market.
The gesture sensor (purple light) blinks due to camera picking up the infrared waves. not seen by naked eye. here is a great video to help you with your ...