Highly anticipated by the owners of iPhone, this update 4.0 marks the arrival of multitasking and the creation of folder. But Apple iPhone OS 4.0 Reviews also implements other well views features. Video of the new iPhone OS presentation. Apple Phone OS 4.0 tested in version Beta, we wait for the final version to assign a score.

Presented at a keynote dedicated to Apple iPhone OS 4.0 price and specifications update incorporates many new features. If the arrival of multitasking was surprised person, its implementation seemed intuitive.
By contrast, in the absence of applications using the new API or services of Apple iPhone OS 4.0 apps, this multitasking is not even one. It will be the next generation of application using these APIs.
We appreciated the opportunity to create folder to consolidate its applications by theme and the arrival of the autofocus on the videos. Digital zoom on the apparatus photo will make a few services, but in most cases, it degrades a bit more the already uncertain quality of clichés.
Apple iPhone OS 4.0 touchscreen phone is also a better management of resources which gives faster to the iPhone or the iPod Touch and autonomy slightly upward review. If it is here that a beta version for developers, this OS we at seemed fairly stable.
A first rather good impression should be confirmed when the official availability of iPhone OS 4.0 this summer for iPhone 3 G, 3GS, iPod Touch 2 G, 3 G and this fall for iPad. Note that iPhone 3 G and 2 G iPod be deprived of the multitasking due to a too light hardware configuration.
An ambitious economic model
Next to the improvements made to the software level, it may be the presentation of interactive ads, iAds, who made the greatest noise. This economic model proposed on free applications us packaged and already excite creative advertising agencies.
In practice, these pubs will appear in the application without that being forced to leave it. Operator video ads and geolocation, the iAds rely on interactivity and the relationship of trust, Apple bringing his bail in the choice of pubs that will display in the apps.
Example with a Nike ID pub: you customize your basket in a pub that is displayed in full screen and you can order your basket or of knowing where the shop nearest, all without leaving your application from starting.
Apple handles the advertiser and the deployment, the developer having to harvest 40% of revenues from pubs (60% for Apple).
More : Quick and fluid, better management of autonomy, multitasking with the potential, custom wallpaper, digital zoom and development for videos, box unified mail, creation of playlist since the iPhone
Less : The time of multitasking Absence, some beta version bug
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