By default our iphones have five column springboard and fiveirows. In a few hours or days, it is not clear yet that a new feature that will appear up to 6 rows of icons in SprinBoard. This new pretense will be called SixRows.
SixRows for iPhone is an application that lets you take the SprinBoard up to 6 rows of icons.
To install it you must have completed the Jaibreak. Now Sixrows should be working on firmware 3.0.SixRows can be downloaded from Cydia.