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Installing beta or ad hoc builds of iPhone/iPad apps

Follow this tutorial to install beta, pre-release or review builds of iPhone/iPad apps in your device. These builds are also known as ad hoc and are created by developers to distribute apps outside of the iTunes App Store, most commonly for beta testing or review purposes.
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Designing iPhone wallpapers

iPod touch screenshot

An iPhone and iPod touch wallpaper is the background image shown when the device is locked. If you want to design an iPhone wallpaper you have to take into account not only the screen resolution (480×320) but also that part of your wallpaper will be covered by the clock and the unlock bar. Below are some guidelines and resources to help you create your own iPhone wallpapers.
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Available on the Android Market Badge

Update (2011-06-27): Google has finally released an official Available in Android Market badge.

If you’re an app developer you’re probably familiar with the Available on the iTunes App Store badge below.

App Store badge

Since there’s no official Android Market badge yet we decided to create our own and offer it to all Android developers under a Creative Commons license.

App Store badge

You can use the image above by saving it and including it in your website (hotlinking is not recommended) or download the source file and modify it at your leisure.

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Find your iPhone or iPad UDID

What is the UDID?

The UDID is the Unique Device Identifier your iPhoneiPod touch or iPad. It is made of 40 letters and numbers and should look something like this:


The UDID is constructed from various hardware identifiers such as the device’s serial number. It is guaranteed to be unique for every device but cannot be publicly tied to an user account.
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