A batch of test photos for the latest Samsung Galaxy S IV has been leaked, confirming in some way the 13MP rear camera. The photos registered a resolution of 4128 x 2322, which a 9.6 MP and a 13MP can take. It has also been divulged that it will introduce a feature called Orb, which enables 360-deg panorama shots.
A Samsung engineer allegedly states that the Orb may be better than the Photo Sphere and that the camera will have Facebook and Twitter integration. The photos have since been taken down from the Google+ account where they have been grabbed.
Also, there are unconfirmed reports the Galaxy S IV will likely use the Sony Exmor RS sensor, which is what Sony uses for its top-of-the-line smartphones. If this report were true, HDR imaging and recording will be possible and better quality on images taken in low light.