by Dave Johnson, PCWorld   Aug 9, 2011 9:30 am

"You probably don't carry your fancy-pants DSLR camera with you all the time, but your smartphone—along with its built-in camera—is in your pocket everywhere you go. That's why these days the most popular camera used to upload photos to Flickr isn't a camera at all, but the iPhone." (more…)

These are the new features included in the iOS 4.1 Software Update:

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As many of you already know today (21-June-2010) Apple released iOS4. It has some great features, however iOS4 has some compatibility issues with some programs that I require for work (e.g. Cisco VPN) and others. Here is the list of apps /extensions that do not even run/load, or causes instant safe mode: http://modmyi.com/forums/general-iphone-chat/714270-soon-official-ios-4-0-compatibility-list.html

I tried for some hours and then I decided to downgrade back to iPhone OS 3.1.3 and upgrade when some of those apps are updated for iOS4.  After doing some research on the internet I found the following method that allowed me to downgrade from iOS4 with no problems:

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