After lost and found stories, finally Apple has announced its much awaited iPhone 4 yesterday. The new iPhone 4 will be running on iPhone OS 4 which is also renamed as iOS4.
Engadget has made a comparison among the top mobiles running on different operating systems. iPhone 4 has got iOS 4 operating system, Nokia N8 is on symbian, HTC Evo 4G is based on android, Palm Pre Plus from WebOS and HTC HD2 is based on Windows Mobile.
