From the category archives:

iPhone OS 3.0

Beta 4 of the iPhone OS 3.0 is out

April 29, 2009 iPhone OS 3.0
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Continuing it’s 2 week release cycle, Apple has released Beta 4 of the iPhone OS.
This time it requires to in addition install a pre-release version of iTunes 8.2. I’ve just upgraded all our devices and it worked like a charm.

Upgraded iTunes 8.2.
Manually executed a full back up of the device.
Chose [...]

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iPhone OS 3.0 Beta 2 brings incredible performance boost

April 1, 2009 iPhone OS 3.0

The news are out: Apple on Tuesday released the second beta of its much acclaimed iPhone OS 3.0. I’m running it for some 10 hours on two iPhones now – both not jailbroken and not unlocked – and my overall first impression is extremely positive.
While the first beta had severe [...]

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Beta 2 of iPhone OS 3.0 released

March 31, 2009 iPhone OS 3.0

Apple today released the second beta of it’s major iPhone Operating System update. While the first beta brought a great range of new features for end users and developers, it was pretty slow and partially unstable. Not that much of a deal as it’s therefore considered in beta.

Welcome iPhone OS [...]

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T-Mobile Germany, Vodafone Germany, iPhone OS 3.0 & MMS

March 24, 2009 iPhone OS 3.0

OS 3.1.2 iTunes 9 Update: Still works. Prior to following the instructions given below you have to quit iTunes 9, and enter
defaults write com.apple.iTunes carrier-testing -bool TRUE
in a Terminal session. There you go!
OS 3.0 Beta 2 Update: The info provided in this post works for the latest Beta [...]

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iPhone OS 3.0: MMS and Tethering for German Providers

March 22, 2009 iPhone OS 3.0

OS 3.0 Beta 2 Update: The info provided in this post works for the latest Beta 2 of iPhone OS 3.0, too.
My German partner site iPhone-notes.de proudly presents updated carrier bundles that unlock the latest iPhone OS 3.0 Internet Tethering and MMS features.
Basically the steps described by iPhone-notes.de blogger André [...]

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How are Apple Push Notifications implemented in the networks?

March 19, 2009 iPhone OS 3.0
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Over at the LinkedIn Mobilists group I’ve started a discussion related to Apple’s Push Notifications.
How do Push Notifications actually work in the network? What did Apple do?
Here is a blond guess: They use the existing SMS infrastructure. Intercept a special “type” of SMS on iPhone OS level (based on sender [...]

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Building 2.x apps on iPhone OS 3.0 beta

March 18, 2009 Dev Quick Tips

Quick note: If you wonder whether you can run/test iPhone 2.x apps on a device upgraded to the current 3.0 beta, I’d say you can.
I’ve upgraded one of our 2G models from 2.0 to 3.0 beta. Rebuilding our projects with the updated SDK and Xcode with a “Device 2.2 – [...]

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Downgrading & unlocking iPhone OS 3.0 (updated)

March 18, 2009 iPhone OS 3.0

Just a quick note with more details in a few hours:
Apple’s iPhone OS 3.0 Beta pre-installation advisory document states that once you’ve updated a device it’ll be in a “locked state” with no way of going back to an earlier firmware.
While this might be perfectly true for regular iPhones it [...]

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