MacRumors

Apple's latest edition of the iMac is finally shipping with the build-to-order 3.4GHz Intel Core i7 and 256GB Solid State Drive option installed. As with any new Apple product, benchmarks and speedtests are beginning to trickle out, and the conclusion from Macworld is that this is the fastest Mac they've ever tested.

Last month, Macworld benchmarked the highest standard configuration 27" iMac Core i5 3.1GHz with standard hard drive installed. It scored 227 on Speedmark 6.5, roughly 16 percent faster than the old model -- but still quite a bit slower than a Mac Pro 3.33GHz Xeon 6-core, which scored a 263 on the same test.

Now, after a month-long delay, Apple is finally shipping BTO 3.4GHz Core i7 iMacs with a 256GB SSD option. This top-of-the-line iMac, the 27" 3.4GHz Core i7 w/SSD has been declared the fastest Mac that Macworld has ever tested.


The video above was sent in by a reader. He filmed it on his 27" 3.4GHz Core i7, 16GB of RAM and the 256GB SSD option. He opens all the standard applications that come with the iMac simultaneously (though with Front Row and Dashboard deselected, because they're both full-screen apps) as a quick demo of the speed of his new SSD iMac.

Macworld's testing puts the 3.4GHz i7 w/SSD at 298 on the Speedmark 6.5 test, well clear of the Mac Pro 3.33GHz Xeon 6-core's comparatively pokey 263. It also beat the Mac Pro in file duplication, Zip file compress and uncompress, iTunes encoding, and iMovie and iPhoto importing tests.

It's important to note, however, that for massively parallel tasks like Handbrake encoding, Cinebench, Mathematica, and GeekBench benchmarks the Mac Pro still outperforms the iMac because it has more cores, especially with Hyper-Threading. But, for individual application tests like encoding an MP3, importing a movie to iMovie, or importing photos to iPhoto, the iMac beats all.

ultimateimac2011speedmark 241608

Of course, the brand new iMac might be faster than the current generation Mac Pro, but the Mac Pro hasn't been updated since last July. New Mac Pros are expected sometime soon, presumably with Thunderbolt support and a rumored narrower, rackmountable enclosure.

Related Roundup: iMac
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Related Forum: iMac

office 2011 icons 2Microsoft yesterday released several updates for users of its Office for Mac productivity suites, bringing security and stability improvements to Office 2011, 2008, and 2004, as well as a pair of ancillary updates.

- Microsoft Office for Mac 2011 14.1.2 Update (108.9 MB): Improvements include security fixes and several stability and reliability improvements for Outlook and Word.

- Microsoft Office 2008 for Mac 12.3.0 Update (333.0 MB) and Microsoft Office 2004 for Mac 11.6.4 Update (13.0 MB): Improvements appear to be limited to security fixes.

Additional details on the security fixes, which address as many as eight vulnerabilities in Excel depending on Office version, are available in a Microsoft security bulletin.

- Open XML File Format Converter for Mac 1.2.0 (45.0 MB) and Microsoft Entourage 2008 for Mac, Web Services Edition (64.0 MB): These updates appear to primarily provide compatibility with the updated Office for Mac versions.

facebook photo app iphone
TechCrunch reports that it has receiving detailed information on a forthcoming iPhone application from Facebook that will focus on photo sharing, building on top of the company's massive existing platform to apparently pull together aspects of many other popular photo apps in what appears from the leaked documents to be an "awesome" offering.

But again, the app looks amazing. We've heard that internally it is being called either "Hovertown" or "WithPeople". And while it looks like a stand-alone app right now, there are also signs that it could be eventually integrated into Facebook's main iPhone app - as well as the main site.

Either way, based on the images in front of us, the best way to think about it appears to be Path meets Instagram meets Color meets (Path's new side project) With - with a few cool twists. And obviously, it's built entirely on top of Facebook's massive social graph.

No real details on the app other than a single image have yet been provided by TechCrunch, although the site is currently working through the significant amount of leaked material to decipher more about its features and functionality.

Update: TechCrunch has now filed a follow-up report sharing more images of the forthcoming application.

A few notes: the images we have suggest that while polished, this still may be a work in progress. It's clear that some of these mock-ups are older than other ones, given a few documents we have as well. Also, some images make it seem as if the service will eventually reside within the existing Facebook iPhone app, while others seem to showcase an entirely new app (or a completely redesigned Facebook app). It's entirely possible that both will be correct. It would make a lot of sense for Facebook, which is by far the largest photo service on the Internet with close to 100 billion photos, to make their own dedicated photo app. The space is exploding with popularity right now as Instagram and others are gaining millions of users quickly. Regardless, Facebook's focus on mobile photos going forward is very clear.

In the wake of yesterday's announcement regarding Apple retail chief Ron Johnson's pending departure to take the CEO position at department store chain J.C. Penney, The Wall Street Journal publishes an extensive look at the company's retail store operations and philosophy, relying on internal training materials and interviews with former employees to gain a sense of what Apple is doing differently from other companies that has made its retail stores such an overwhelming success.

A look at confidential training manuals, a recording of a store meeting and interviews with more than a dozen current and former employees reveal some of Apple's store secrets. They include: intensive control of how employees interact with customers, scripted training for on-site tech support and consideration of every store detail down to the pre-loaded photos and music on demo devices.

While much of the information has been published in other venues or is simply common knowledge given the company's retail store workforce of 30,000 employees, the extensive report does nicely summarize much of what has gone into developing the Apple retail store experience.

According to several employees and training manuals, sales associates are taught an unusual sales philosophy: not to sell, but rather to help customers solve problems. "Your job is to understand all of your customers' needs - some of which they may not even realize they have," one training manual says. To that end, employees receive no sales commissions and have no sales quotas.

While Apple may not have strict sales quotas in place for its employees, the company does certainly have performance goals for metrics such as "attachment rates", the frequency with which staff members are able to convince customers to add on ancillary products such as AppleCare to their purchases. Staff members who fall short of the goals receive additional sales training or are diverted to other positions within the store.

apple retail store mbp
The report also covers the history of Apple's retail store initiative, noting that it began at a time when Apple was struggling to return to prominence following the return of Steve Jobs and when the company was having a hard time achieving appropriate visibility in third-party retail stores. Even in stores such as CompUSA where Apple had dedicated display areas, the company was frustrated over its inability to control the customer experience.

Consequently, Jobs brought in Gap president Mickey Drexler, who joined Apple's board and assisted with defining the company's retail store goals. Ron Johnson was recruited from Target to lead the effort, and the retail store push began with an extensive period of planning and mockups that ultimately led to the first two stores opening in Tysons Corner, Virginia and Glendale, California in May 2001.

Apple's meticulous attention to detail extends down to its hiring process, where prospective employees generally participate in several rounds of competitive interviews assessing a variety of details including problem-solving skills, leadership qualities, and enthusiasm for Apple products.

Once hired, employees are trained extensively. Recruits are drilled in classes that apply Apple's principles of customer service. Back on the sales floor, new hires must shadow more experienced colleagues and aren't allowed to interact with customers on their own until they're deemed ready. That can be a couple of weeks or even longer.

Apple's retail store chain has already grown to over 325 stores in eleven countries, and the company has been pushing forward on larger and more iconic stores in an ever-growing number of markets, continually extending its reach with what has become one the most successful retail sales models in use today.

Earlier this week, iOS developer Daniel Amitay published a report examining trends in passcodes chosen by users of his Big Brother Camera Security application. Amitay had anonymously collected over 200,000 passcodes used on his app and offered the data up as a proxy for actual iPhone passcode usage data based on the similarity of the input system style and functionality.

big brother camera security enter passcode
Amitay now reports that his application has been pulled from the App Store by Apple, although he is unsure at this time whether the removal was due to publication of the data or his admission of collecting it in the first place.

As of today at 4:58pm EST, Big Brother has been removed from the App Store. I'm certainly not happy about it, but considering the concerns a few people have expressed regarding the transfer of data from app to my server, it is understandable.

I think I should clarify exactly what data I was referring to, and how I was obtaining it. First, these passcodes are those that are input into Big Brother, not the actual iPhone lockscreen passcodes. Second, when the app sends this data to my server, it is literally sending only that number (e.g. "1234") and nothing else. I have no way of identifying any user or device whatsoever.

Amitay points to Apple's iTunes licensing agreement in support of his belief that he can collect such information, noting that he had planned on using the data collected to generate a list of common passcodes that would offer a warning of the codes being too obvious if they were chosen by a user. Consequently, it is unclear whether it is the collection itself or the publication of it that raised Apple's ire.

Amitay is currently reaching out to Apple to address the issue and have Big Brother Camera Security returned to the App Store.

Update: Amitay has updated his post to note that he has received a response from Apple relaying that his application was pulled for "surreptitiously harvesting user passwords". He has submitted an updated version of the application omitting the passcode collection capabilities and has appealed Apple's decision on the basis of the data being specific to the app, anonymized, and used for the purposes of improving the application.

Imagination Technologies, the company behind the iPhone and iPad's PowerVR graphic processor unit (GPU), has announced that six "key partners" have already selected their next generation PowerVR Series 6 GPU (codename: Rogue) for licensing. The partners include ST-Ericsson, Texas Instruments, MediaTek as well as three "yet to be announced" licensees.

imagination
Apple has long used Imagination Technologies' GPUs to power their mobile devices and is likely one of the unnamed licensees. Besides being a major customer, Apple is also an investor in the company with ownership pegged at 9.5% back in 2009. The iPad 2 currently uses the PowerVR SGX543MP2 GPU. Combined with the A5 processor, Apple claimed the iPad 2 has 9x faster graphics than the original model. This upcoming GPU is said to deliver another significant performance boost for mobile graphics.

The press release is devoid of any hard details and offers just some vague promises of future performance.

The POWERVR Series6 GPU family, which delivers unrivalled GFLOPS per mm2 and per mW for all APIs, delivers not only a clear technology advantage and exceptional roadmap, driven by one of the largest teams of graphics engineers in the world, but also an extensive ecosystem of third party developers which has created hundreds of thousands of apps optimised for POWERVR enabled devices to date.

The new graphics processor will be backward compatible with the PowerVR SGX GPU which presently powers the iPad and iPhone, so will be an easy transition in future models.

A few numbers were detailed back in February during Mobile World Congress. According to a press release from ST-Ericsson, the Series 6 PowerVR chip will push over 350 million "real" polygons per second when used in their Nova A9600 SOC. That particular chip is said to be "sampling" in 2011.

Based on the usual lead time for these announcements, it seems unlikely we'll see these new GPUs in Apple's products until 2012 at the earliest. This more powerful graphics processor may help support the additional pixels of the rumored "Retina" display in the next iPad.

Earlier this evening, Apple released version 5.5.3 of AirPort Utility. This small update to the AirPort Extreme Base Station and Time Capsule administration software contained a few bug fixes, but also a bit of a surprise. Readers in the MacRumors Forums (neek and jonnyz) found references to unreleased 4th Generation Time Capsules and 5th Generation AirPort Extremes.

In the weeks leading up to the WWDC keynote, there had been reports of dwindling Time Capsule and AirPort Extreme stocks, suggesting an imminent refresh. It seems that Apple has been working on next-generation devices, but hasn't yet released them.

time capsule leap forward

Also found were references to Software Updates being stored on devices, but these references are not new as the same text has been found in older versions of the software dating back to at least 2010.

"bsUP.productName" = "Store Apple software updates on this %@";
"bsUP.description" = "Apple software updates that are copied to this %@ are available to anyone using this network.";

These findings were also reported by 9to5Mac, which had previously detailed that upcoming Time Capsules would be offering a Software Update caching system:

What we do know is that Apple has been internally testing Time Capsules to cache Software updates for both Mac and iOS devices. The way we've heard it works is that the new Time Capsule learns which devices connect to it via Wifi. It then goes out to Apple's servers and downloads Software Updates for those products.

When the user wants to install the software update, the Time Capsule, which is also the router, routes you to the locally stored update, rather than downloading the whole thing over the Internet.

Given the fact that these Software Update references were also present in the old firmware, it's not clear when Apple is planning on launching this features, especially in light of the recent iCloud announcements. Apple has also been rumored to be redesigning its Time Capsules and AirPort Extremes around the same A4/A5 processors used in the iPhone and iPad.

Related Forum: Networking

More evidence has emerged to suggest that a future version of the iPad will sport a "Retina" display with a resolution of 2048x1536, or double the horizontal and vertical pixels of the current iPad.

Back in January, a number of images were discovered within iPad apps showing icons twice the size needed for the 1024x768 screen on the iPad. This suggested a similar pixel-doubling strategy to that used in the iPhone 4's Retina Display. That particular feature wasn't included in the iPad 2, but perhaps will be in the iPad 3.

Resolution Comparison
New clues regarding a possible 2048x1536 iPad display were reported today by Techunwrapped. Their tipster noticed the Twitter.framework within the iOS SDK had huge images, twice the size needed for the current iPad:

As I was going through the iOS SDK I came across some images in the new Twitter .framework. The resolution appears to be 1,536 x 2,048.

The Twitter.framework is the only framework I found to have these enormous images.

Techunwrapped goes on to suggest that because the large images were only included in the Twitter section of the iOS SDK -- a relatively new part of the iOS codebase -- it means an iPad 3 will come out in the same timeframe as iOS 5 is released.

Based on the discovery of pixel-doubled iPad images as far back as January, we are hesitant to attach any significant timeline to these discoveries, but they are simply more signs that Apple plans to release a Retina Display-equipped iPad.

Related Roundup: iPad
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Domino's Pizza's new iOS app lets users order and pay for piping hot pies right from their iPhone, iPad or iPod Touch.

pizza
The app allows Domino's customers to order from (almost) any of the 5,000 Domino's in the U.S., allowing extensive pizza customization, and even allows users to input their credit or debit card information right in the app. Finally, while you anxiously await your custom creation, the app offers a Tracker feature to follow your order from the "make line" into the oven, then out for delivery!

The feature is similar to the online-ordering system Domino's has offered through its website for a few years, but is long overdue on the iPhone. Major competitor Pizza Hut offered an app nearly two years ago, in 2009.

airport iconApple today released AirPort Utility 5.5.3 for both Mac (10.8 MB) and Windows (10.1 MB). The updates to Apple's software for managing the AirPort Express Base Station, the AirPort Extreme Base Station, and Time Capsule primarily address an issue that may cause the application to crash during setup.

This update contains bug fixes including the following:

Resolves an issue that caused the AirPort Utility to unexpectedly quit during setup

The Mac version requires OS X 10.5.7 or later, while the Windows version requires a minimum of Windows 7 SP1, Vista SP2, or XP SP3.

Related Forum: Networking

Apple's patent licensing deal with Nokia may have some additional consequences beyond the immediate effects of the settlement. By agreeing to a long-term licensing agreement with Nokia, Apple gets a lengthly, defensive legal fight out of the way. This allows Apple to focus all its legal energies on major battles with Samsung, HTC and Motorola.

Speaking with the NYTimes, Apple indicates that the settlement is actually a cross-licensing one:

Apple and Nokia have agreed to drop all of our current lawsuits and enter into a license covering some of each other’s patents, but not the majority of the innovation that makes the iPhone unique. We are glad to put this behind us and get back to focusing on our respective businesses.

There a larger, much more strategic victory here as well. By agreeing to pay royalties for Nokia's patents, Apple has set a market price -- and given Nokia's patents serious legitimacy. Apple wouldn't pay anything if they didn't have to, and other companies may not want to fight over turf Apple has already acquiesced to Nokia.

jobs
Other companies, notably Android handset manufacturers, may now have to play ball with Nokia on these patents -- and they don't necessarily have the margins to send 1% of gross revenues to Nokia as easily as Apple can. In fact, because Apple has so many of its own patents (some of which it cross-licensed to Nokia) other manufacturers may have to pay even more for the same licenses.

Florian Mueller has suggested just that at FOSS Patents:

Given that Android is in many ways a rip-off of Apple's operating software, Android-based devices are highly likely to infringe on largely the same Nokia patents that Apple now felt forced to pay for.
[...]
This is a sweet defeat for Apple because its competitors -- especially those building Android-based devices -- will also have to pay Nokia, and most if not all of them will likely have to pay more on a per-unit basis because they don't bring as much intellectual property to the table as Apple definitely did.

Apple pays off Nokia, but exposes the competition as well. Competition that doesn't have as much money or intellectual property to barter with.

(Photo by Acaben/Flickr)

3D iPad?
Could Apple shove a high-resolution 3D display in the iPad? Maybe! And that's just what Netbook News claims to discovered at the Display Taiwan tradeshow. They've got pictures and video of what is claimed to be an iPad 1 with a different, 3D, "very high resolution display".


We're pretty skeptical, but wanted to give you a chance to decide for yourself.

Related Roundup: iPad
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nokialogoDeutsche Bank analyst Kai Korschelt today estimated that Nokia will be receiving on the order of a 420 million euro ($608 million) lump-sum payment from Apple as part of a patent litigation settlement between the two companies.

The estimate, based on previous patent-related settlements in the industry, assumes a 1 percent royalty rate on all iPhones sold through the first quarter -- 110 million phones at an average selling price of $550. Korschelt also says that Apple would likely send Nokia recurring revenue payments covering future iPhone sales at the same rate, payments that would come in at around 95 million euros ($137.6 million) per quarter based on current sales, to cover ongoing licensing.

It's a significant sum for Nokia. The Finnish company is feeling tremendous pressure in the market as it abandons its old Symbian-based smartphone strategy and transitions to Microsoft's new Windows smartphone OS.

A report from Japanese analyst house Nomura, which got quite a bit of coverage yesterday, stated that the situation at Nokia was so poor that Samsung -- and perhaps even Apple -- would pass the Nokia in smartphone shipments this quarter. Of course, Nomura's numbers are based on an expectation of a massive drop in sales from Nokia as it transitions operating systems -- think the entire continent of Europe suddenly not buying Nokia phones -- plus a near doubling in smartphone sales by Samsung over the previous quarter. Samsung's mobile phones have been booming on the strength of Android, but that much growth in one quarter seems unlikely. Nokia is in trouble, but almost certainly not that much trouble.

Robert Cozza, mobile devices analyst at Gartner, poured water on Nomura's report, telling MacRumors:

In 1Q11 Nokia smartphone sales were double those of Samsung, so it seems optimistic to see this overtake in 2Q. If Nokia's new Symbian devices will fail with consumers over the next couple of quarters then we could see this overtake from Samsung on Nokia happening in 3Q.

MacRumors also spoke to Ramon Llamas at IDC about Nokia's chances:

Nokia is very fast at turning things around. They're currently in transition mode, and anytime you're going to be transitioning from the way things have been to the way things are going to be, it's not going to be without some series of dips in revenue.

Nokia has just provided the overall smartphone market with a gift: it's exposed itself and its vulnerabilities to everyone else. Lots of vendors are going to be able to turn up the heat.

And now Nokia gets to enjoy a little bit of the spoils from Apple's success as well. Time will tell if they can turn it around themselves.

Related Forum: iPhone

Japanese blog Mac Otakara reports that Apple is apparently set to launch its new Final Cut Pro X offerings next week, to be accompanied by the release of a number of new Thunderbolt-equipped accessories from third-party vendors.

fcp x mbp
Apple demoed Final Cut Pro X back in mid-April, announcing that the professional video production software would launch on the Mac App Store in June priced at $299. Apple has yet to release any official word on the other components of its Final Cut Studio package or its lighter-weight Final Cut Express software. A number of screenshots from Final Cut Pro X and related applications have also leaked in recent days just ahead of the software's launch, but the full details remain unknown.

Apple debuted the new Thunderbolt high-speed data and display connectivity standard on revamped MacBook Pros back in late February, extending the feature to its iMac line just last month. Third-party vendors have been showing off new Thunderbolt-equipped peripherals, but few have made it to market so far. If today's report is true, it seems that Apple will be taking advantage of the Final Cut Pro X debut to also roll out new Thunderbolt peripherals, devices that video professionals will almost certainly find useful in moving large files around quickly.

ron johnsonThe Wall Street Journal is reporting that Apple Senior Vice President of Retail Ron Johnson is leaving the company to take the position of president at department store chain J.C. Penney, a move that will put Johnson in position to become CEO at the company within the next few months.

J.C. Penney Co. is tapping Ron Johnson, head of Apple Inc.'s iconic retail stores, as its new president and eventual chief executive, people familiar with the situation said.

The company is expected to announce Mr. Johnson's appointment later today. Mr. Johnson will become CEO in the next few months, succeeding long-time leader Myron "Mike" Ullman.

Johnson, who came to Apple eleven years ago from Target, has been credited with being the driving force behind Apple's runaway success in its retail store initiative that has grown to include 325 stores worldwide. Johnson has also been a fixture at many of Apple's highest-profile retail store openings around the world.

Johnson's philosophy for Apple's retail stores has been to "create a place that people will love", focusing on the customer experience rather than simple square footage or sales metrics, although Apple's retail stores are of course performing extremely well by sales measures as well. During his tenure at Apple, he oversaw the entire retail store development process, from the original stores in Tysons Corner, Virginia and Glendale, California to the iconic buildings now located in a number of cities around the world.

Update: J.C. Penney has officially announced that Johnson will assume the CEO position on November 1st and that Johnson will personally make a long-term $50 million investment in J.C. Penney as a sign of his confidence in the future of the company.

Mr. Johnson said, "I've always dreamed of leading a major retail company as CEO, and I am thrilled to have the opportunity to help J. C. Penney re-imagine what I believe to be the single greatest opportunity in American retailing today, the Department Store. I have tremendous confidence in J. C. Penney's future and look forward to working with Mike Ullman, the Executive Board and the Company's 150,000 associates to transform the way America shops."

Update 2: J.C. Penney's stock is up over 10% on news of Johnson's appointment. Apple's stock has been fluctuating a bit, but is only down slightly since the news broke.

Update 3: Apple has issued a statement to All Things Digital wishing Johnson well and noting that the company is "actively recruiting" for his replacement.

"Ron is excited about this opportunity and we hope it goes well for him," a spokesperson said. "We've got a great retail team in place and are actively recruiting for his replacement."

Recent versions of iPhoto and Aperture have ditched the open folder system for a more secure "Library" format and, in Lion, Photo Booth takes the plunge as well.

Photo Booth Library
The main reason for the switch from an open folder system to a closed, self-contained library is to keep more inexperienced users from breaking iPhoto by trying to "clean up" their computers.

The old iPhoto library was a mass of confusing folders, with dozens and dozens of folders. There were folders organized by date, with thumbnails, by master versions and more. Users who didn't know any better would frequently try to delete photos by going directly to the iPhoto Library folder and erasing files en masse. All they would do was break iPhoto.

Now all Apple's photo apps: iPhoto, Aperture, and Photo Booth have self-contained "libraries" to keep users out. The photos inside are only supposed to be opened by the applications that created them -- it's just like the file system on the iPad. Invisible, unalterable, and only to be opened by the application that created them.

Steve Jobs' quest to eliminate the file system continues.

Thanks Henry!

Late last month, Samsung attempted to escalate its patent dispute with Apple by requesting to see Apple's next-generation iPhone and iPad models, ostensibly to help it defend itself against Apple's charges of copying and other infringement. The request was made after Apple requested and was granted access to unreleased Samsung hardware, although that hardware had already been extensively advertised and demoed by Samsung.

samsung logo
FOSS Patents now reports that Apple has filed a response to Samsung's request, referring to the move as an "improper attempt to harass" Apple by requesting to see secret hardware that bears no relevance to Apple's claims against Samsung. From Apple's filing:

Samsung's Motion to Compel is an improper attempt to harass Apple by demanding production of extremely sensitive trade secrets that have no relevance to Apple's likelihood of success on its infringement claims or to a preliminary injunction motion. Apple made a compelling showing in its motion to expedite discovery that Apple needs samples of products that Samsung has already announced, distributed, and described, so that Apple can evaluate whether to file a preliminary injunction motion against those products, which look strikingly similar to the distinctive trade dress of Apple's current products. Samsung has made no such showing about Apple's future products. Therefore, Samsung's Motion to Compel should be denied.

Samsung has until this Friday to produce the samples of unreleased hardware to Apple, after which time Apple will decide whether to proceed with a request for a preliminary injunction barring Samsung from selling the new products, a move that could give Apple significant leverage in extracting a settlement from Samsung. This Friday should also see a ruling on whether Samsung will be permitted access to Apple's next-generation hardware.

unlocked
As predicted, Apple has started selling unlocked (GSM) iPhone 4 devices in the U.S. early this morning.

If you don't want a multiyear service contract or if you prefer to use a local carrier when traveling abroad, the unlocked iPhone 4 is the best choice. It arrives without a micro-SIM card, so you'll need an active micro-SIM card from any supported GSM carrier worldwide.

Pricing starts at $649 for a 16GB model and $749 for 32GB model. Both White and Black models are offered.

The main advantage of buying an unlocked iPhone is for international travel, as the device is not dependent on any particular carrier. The U.S. only has one network (AT&T) which fully supports all the features of an unlocked GSM iPhone. T-Mobile is compatible with voice calls, but the 3G network is not compatible. The higher price of the iPhones reflect no-contract pricing as well as the unlocked status of the device. While the iPhone 4 had been sold unlocked in other countries, this is the first time Apple has offered them in the U.S.

Related Forum: iPhone