iOS 4.2.1 Helps Reduce Network Congestion, Max Battery Life Says Nokia Siemens

Has your iPhone’s battery been lasting longer through the day since you updated to iOS 4.2.1? There may be a reason for that: Apple’s using network-controlled fast dormancy in iOS 4.2 to better optimize the way in which the iPhone connects to the cell network, which results in a noticeable bump in battery life.

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Solve iPad Low Memory Warnings on iOS 4.2.1 [How To]

Apple’s iPad is the first generation of what I hope will be a long line of magical tablets. Unfortunately,  it has one minor problem that will be more evident now that iOS 4.2.1 has been released.

That problem will be the made evident by the over zealous use of multitasking on a device that only has 256MB of memory in which to run applications. The iPhone 4 twice that or 512MB.  Users won’t be able to help themselves because multitasking is just to valuable to ignore or give up.

So the problem of having less memory to run apps will be frequent warnings that “your device is running low on memory. ” I’ve seen it happen to others and the image above is my own personal encounter with the problem. Apple had given the iPhone 4 pretty liberal amounts of application RAM, so I was  a bit taken aback that the iPad didn’t have at least 512MB to 1GB of RAM when it was released.

Fortunately, the work around is easy.

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Dev Team: iOS 4.2.1 Is Easily Jailbroken, Though Some Devices Require Tethering For Now

With every major new release of iOS comes a period of anticipation for the next release of a stable jailbreak courtesy of the iPhone Dev Team… and the good news this time around is that it doesn’t look like iOS 4.2.1 set the Dev Team back very far at all.

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iOS 4.2 Causing iPod Music Library To Disappear On Some Devices… But There’s A Fix

Yesterday’s update to iOS 4.2 brought a lot of great new features to the table, but for some users, it introduced one big problem: the ability to listen to music on your iPhone or iPod Touch.

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Apple Seeds iOS 4.2.1 GM to Developers

Apple has just released another gold master candidate of its long-awaited iOS 4.2 firmware to developers. This version is iOS 4.2.1, and we assume it quashes the Wi-Fi bug that’s recently been affecting the iPad.

MacRumors reports that Apple has instructed developers not to resubmit their applications under the new build, suggesting that only minor fixes are included in this update.

Unfortunately it’s not the iOS 4.2 news many of us have been anticipating, however, it’s nice to see Apple are fixing these bugs before they release the firmware to the public.

Developers can get their hands on iOS 4.2.1 via the iOS Dev Centre.