The Samsung S7550 Blue Earth’s screen is 3 inches with 240 x 400 pixels resolution.The phone runs on the Other operating system(OS).You can take photos or capture video with the phone’s onboard 3+ megapixel camera. There is also a secondary front facing camera useful for video chat and self portraits.The phone is powered by a Lithium-Ion(Li-Ion), 1080 mAh battery. Samsung’s performance ratings are 23 days standby time, 576 minutes(2G), 258 minutes(3G). I am personally using this phone and I am fully satisfied with all its features.