We have already pointed out that the iPhone 4 faces far more credible competition than its predecessors in terms of smartphones integrating advanced hardware design with a distinctive user experience. As we wait for Symbian^3 and Windows Phone 7, the challenge focuses on Android, and its supporters are certainly rising to the challenge. This week alone, Motorola is promising to leapfrog HTC with a roadmap heading towards a 2GHz phone; Sprint and Verizon are both talking up the success of their Android flagships; and LG has promised 20 'Google phones' by the end of this year. Add to this a spirited defense from Samsung of the AMOLED display technology it dominates, rather than Apple's new alternative, and the industry is clearly not letting the iPhone 4 have its own way.

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