Sample Photos | Macro and close-up Photography
Orange slices are a very interesting test subject to use for macro/close-ups. They use many textures, and the flesh has a translucent structure, which affects capture of colour and light. The General rule here is that lighting is the biggest factor in taking great close up pictures. Although we used a light box for this test it still had relatively low level of LED lighting. These phones still use a single LED flash and compared to a Xenon flash on a point and shoot camera or a ring/diffused external flash on a DSLR or interchangeable camera you are still going to be light limited for these types of shots.
You do not have to believe my words as you can try this for yourself, a 4 or 8 MP point and shoot camera with a traditional flash and dedicated macro mode will give better macro results than many flagship phones.