iOS 4.0 is live now

iOS 4 is now ready to be downloaded and installed on your newer iPhone OS devices including the iPhone 3G, the iPhone 3GS, the 2G iPod touch and the 3G iPod touch.

Here are the direct links:

There are two main annoyances so far, one of these annoyances is that the optimizing images process takes a very long time when installing iOS4, the other problem is that performance on the iPhone 3G is said to be very poor.

This is probably because the iPhone 3G has just 128 MB eDRAM and a 620 MHz processor underclocked to 412 MHz, whereas the iPhone 3GS 256 MB eDRAM and a 833 MHz processor underclocked to 600 MHz.

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