iPhone 4 wallpaper size

:) like to write all i know about tis thing. hahaaaa.. now i own myself this incredible device - iPhone 4 with iOS4.0.1 running on it. Ok let's move on and continue your reading. This litte entry about to create your own wallpaper for iPhone 4. Before that we need to know a little bit about iPhone screen resolutions and display.

The comparison iPhone 4 vs iPhone 3GS display:-

iPhone 4 official Display spec:

* Retina display
* 3.5-inch (diagonal) widescreen Multi-Touch display
* 960-by-640-pixel resolution at 326 ppi
* 800:1 contrast ratio (typical)
* Fingerprint-resistant oleophobic coating on front and back
* Support for display of multiple languages and characters simultaneously

iPhone 3GS official Display spec

* 3.5-inch (diagonal) widescreen Multi-Touch display
* 480-by-320-pixel resolution at 163 ppi
* Fingerprint-resistant oleophobic coating
* Support for display of multiple languages and characters simultaneously

Even though iPhone 4 have the same screen size as iPhone 3GS (3.5-inch diagonal), but both iPhone have a different pixel resolution. iPhone 3GS have 480x320 pixel resolution and iPhone 4 have 960x640 pixel resolution. Therefore, the best wallpaper size if you like to create your own wallpaper for your iPhone 4 is 640x960 pixel resolution (horizontal),960x640 (landscape) and 640x960 (portrait) wallpaper size. The iPhone 4 features a “Retina Screen”, which is Apple’s fancy name for a high resolution mobile display.

How to Make iPhone 4 Wallpaper

Making wallpaper for the iPhone 4 is very easy. Just like making wallpaper for any other device or computer screen, you just need to get the right dimensions and make an image of that exact size.

Now it's up to you to create your own wallpaper using your favourite photo/image editing software. I'm using photoshop and gimp. :)