Large number of ask me to track their lost mobile device, but when i ask them if they have installed any mobile tracking app on the phone, they offer a negative answer. Apple also upgraded the hardware from the new itouch. This slim portable handset features 3.5" LED-backlit LCD screen having 262K colors and facilitates a solution of 320x480 px (HVGA) and aspect ratio of 3:2 at 163 ppi (pixels per inch).