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Test of supposed iOS 6 resolution fuels talk of bigger iPhone display

Simulation screenshots show an iPhone with five rows of icons instead of four, 9to5Mac found.

Simulations of the next iPhone's rumored display resolution may make talk of a taller screen more credible, according to Apple-centric blog 9to5Mac.

Apple has been testing the taller display setting, unnamed sources told the blog. 9to5Mac used iOS development tools to simulate a 640x1,136-pixel resolution screen, which gave the phone five rows of icons stacked vertically above the dock, instead of the four displayed with the current iOS.

The simulator would not correctly display the five rows at any resolution other than 640x1,136 -- other resolutions scaled the icons to the size used for iPads, according to the blog. View the screenshots here.

Rumorssurfaced in May that Apple plans to launch a phone with a 4-inch screen, no doubt exciting iPhone users who would love to see a bigger screen, particularly as other phone makers increase screen sizes.

This latest speculation adds to the plethora of rumors swirling around Apple and the iPhone, including one that the company will release the next-gen phone at a September event.