7. Apple’s iPhone 5
Following the footsteps of other Apple iPhones, the iPhone 5 remains one of the leading smartphones in Japan for its amazing features. Reasonably lightweight phone weighing 112g offers a multi-touch 4-inch display screen. It runs on iOS 6 which is upgradable to iOS 8.4. 1GB RAM is accompanied by large memory up to 64 GB. It also offers some bonus features such as gyro, accelerometer and compass.