iPhone OS 4.0 Developers Preview for Testing & Development

Apple has official announced most demanding iPhone OS 4.0 with as much expected multitasking feature. There are number of other features and APIs added to iPhone OS 4.0, we already have listed the most important features, see this feature. We realize that many of you guys who use iPhone and wanted to know when you can get your hands on iPhone OS 4.0.

Casual users won’t get iPhone OS 4.0 before summer 2010, this is an exam of your patience too. Meanwhile, the developers can have hold on iPhone OS 4.0 developer preview version.

Follow this link to download iPhone 4.0 OS dev preview version:

Download iPhone OS 4.0 Developers Preview

Size of iPhone OS 4.0 Firmware file; iPhone 3GS – 364 MB, iPod touch 3rd gen – 354 MB, iPod touch 2nd gen – 306 MB.

Do you know? iPhone 4.0 fully supports iPhone 3G & iPod Touch 2G run everything except multitasking. See these catching features list.

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