Sony’s long-rumoured PlayStation Portable smartphone is set to be launched in North America and Europe as early as the first half of 2011, according to a Japanese newspaper report.

Apple says it is “aware” of a security weakness that allows anyone to bypass iPhone 3G and iPhone 4 PIN codes with a few button presses and will fix it in a software update next month.

“We’re aware of this issue and we will deliver a fix to customers as part of the iOS 4.2 software update in November,” Apple Australia said in a statement provided early this morning.

Android has just rocketed past a major milestone: 100,000 applications available in the Android Marketplace.

The announcement was made with just a tweet from the Android Dev Twitter account. “One hundred thousand apps in Android Market,” was all the tweet needed to say to spread the news. The search giant recently expanded the Android Marketplace to 20+ countries in an effort to kick its developer ecosystem in high gear.

Google’s open-source mobile OS has been on a tear, but its rapid growth has come at the cost of OS fragmentation across hundreds of devices. And while Android may be flooding the market at breakneck speed, Apple’s iOS App Store is the dominant mobile store by leaps and bounds. There are more than 280,000 iOS apps available, nearly triple the offerings on Android.

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A security flaw has been detected in the popular Apple iPhone that allows anyone to gain access to its phone function without the need to enter a passcode.

The flaw, which this website has attempted successfully but is not able to describe due to legal reasons, involves a user pressing a couple of on-screen buttons and then a physical button, allowing them to bypass the passcode required to gain access.

Motorola, just days after being targeted in a patent suit by Microsoft, has filed complaints against Apple alleging that the iPhone, iPad and other products infringe its patents.

The Motorola complaints allege that Apple’s iPhone, iPad, iPod Touch and certain Macintosh computers infringe 18 patents “which relate to early-stage innovations developed by Motorola in key technology areas”.

Microsoft filed suit against Motorola last week, accusing the US handset maker of violating its patents in smart phones powered by Google’s Android mobile operating system.

Microsoft deputy general counsel Horacio Gutierrez said Motorola’s Android-based smart phones infringed nine Microsoft patents.

The patents in question relate to synchronising email, calendars and contacts, scheduling meetings, and notifying applications of changes in signal strength and battery power, Gutierrez said.