Sony Ericsson K630i, K550i and also K530i have an camera with resolution 2 megapixel. But don't be wrong although only Its have resolution 2 megapixel, the ability camera phone from Sony Ericsson is good.
From the three of this camera celullar phone that have camera feature autofocus and flash lamp is only K550i. The others is no.
From price facet, K550i is cheaper if against which K630i and K530i, that is 1,3 million rupia whereas prices of K630i are sold with price around 1,6 million while K530i are sold with price around 1,4 million rupiah.