iPhone 4 Specification * Processor: Apple A4 * Storage: 16 & 32 GB * Firmware: iOS 4 (Mac OS based) * Dimensions: 115. 2 x 58. 6 x 9. 3 mm (24% thinner than 3GS) * Weight: 137g * Display: 3. 5-inch, TFT capacitive, Multi-touch, Scratch-resistant surface 960 x 640 Resolution 800×1Contrast ratio (4 times improved) IPS Technology ( For superb c