Qihoo 360 F4 with metal body, 13MP rear camera gets official in China

China based Qihoo 360 (formerly known as QiKU, has launched the 360 F4, their latest budget smartphone in China. The brand is also the maker of the popular 360 Security app for Android devices.The Qihoo 360 F4 sports a metal body with rounded borders to give the premium look. It has a fingerprint sensor on that back than can unlock the phone in 0.4 seconds. The fingerprint reader can also be used