A new report from Czech Republic-based SuperiPhone (Translated Link) claims to have confirmed the resolution of the fourth-generation iPhone’s display at 960 x 640. Using a microscope, the publication compared a display component supposedly meant for the fourth-generation iPhone to the displays of an iPhone 3GS, iPod touch, and Google Nexus One. Based on their results, the report claims that the display does have a resolution of 960 x 640, which results in a density of 320 ppi, and also uses the same IPS technology found in the iPad. John Gruber of Daring Fireball first suggested that the next iPhone would sport a 960 x 640 display in March, later explaining that the quadruple resolution—compared to existing iPhones and iPod touches—would allow current applications to be upscaled with little to no discernable difference in quality

New AT&T smartphone users won't get one-price Net
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Enlarge By Sean Gallup, Getty Images

The photographer holds an iPhone at a shop of German telecommunications provider Deutsche Telekom on Feb. 23 in Berlin.
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By David Lieberman, USA TODAY
AT&T, wireless provider for Apple's iPhone, on Monday will become the first major mobile phone company to stop offering new smartphone customers a single monthly price for unlimited Internet access — likely presaging an industry shift to charges based on how much people use their phones to access videos, music and data. AT&T expects the new pricing to boost sales. "Some customers, up until now, have been hesitant to sign up for a $30 monthly data plan" for unlimited access, says Ralph de la Vega, CEO of AT&T Mobility and Consumer Markets. Existing customers can switch to the new pricing or keep their current all-you-can-eat service.
Newcomers will have two options: Under the DataPlus plan, subscribers can pay $15 a month for 200 megabytes of data; that would handle about 400 photos or 100 minutes of streaming video. The DataPro plan offers 10 times that capacity, 2 gigabytes, for $25.

AT&T will send text alerts to customers near their limits. DataPlus customers who go over will be charged $15 for an additional 200 MB. DataPro users will pay $10 for an extra 1 GB.

AT&T says 65% of its smartphone customers use less than 200 MB a month, and 98% use less than 2 GB.

But, largely due to the success of the iPhone, AT&T "has the most loaded and most used data network in the U.S.," says Roger Entner, head of telecom research at Nielsen.

And just 3% of AT&T's smartphone customers account for as much as 40% of its data traffic, contributing to slow transmissions and dropped calls. AT&T must control heavy users, or at least get them to pay more, Entner says.

With the limited airwave spectrum available for wireless broadband, he adds, it's just a matter of time before other providers — including Verizon, Sprint and T-Mobile— switch to usage-based pricing.

Verizon Wireless CEO Lowell McAdam said last week that it would "make sense" to have such pricing later this year when his company introduces a speedy 4G service.

Apple's new iPad tablet also uses AT&T's wireless service. The new pricing will offer those customers 2 GB for $25 a month; current customers can keep their unlimited service offer for $29.99 a month.

IPhone customers who pay an extra $20 a month soon will be able to use the phones to provide Internet connections for laptops or other devices. That process, called tethering, will be available on 3G iPhones this summer when Apple releases a new operating system, AT&T says.

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"If you feel like going through the process of typing in your PIN every time you unlock your iPhone is worth it thanks to the unconquerable security it implies, you might want to read this report from Bernd Marienfeldt about the chosen one's security model. Yes, a PIN will keep casual users from picking up your phone and making a call with it, or firing off an e-mail to your co-workers saying that you're quitting and becoming an exotic dancer, but it won't keep someone from accessing all your data. Bernd and fellow security guru Jim Herbeck have discovered that plugging even a fully up-to-date, non-jailbroken iPhone 3GS into a computer running Ubuntu Lucid Lynx allows nearly full read access to the phone's storage -- even when it's locked. The belief is that they're just a buffer overflow away from full write access as well, which would surely open the door to making calls. Bernd believes the iPhone's lack of data encryption for content is a real problem, and also cites the inability to digitally sign e-mails as reasons why the iPhone is still not ready for prime time in the enterprise."