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Key

Value

PayloadDisplayName

String, mandatory. This value determines a very short string to

 

be displayed to the user describing the profile, such as “VPN

 

Settings”. It does not have to be unique.

 

 

PayloadDescription

String, optional. This value determines what descriptive, free-

 

form text will be shown to the user on the Detail screen for the

 

entire profile. This string should clearly identify the profile so the

 

user can decide whether to install it.

 

 

PayloadContent

Array, optional. This value is the actual content of the profile. If it

 

is omitted, the whole profile has no functional meaning.

 

 

Payload Content

The PayloadContent array is an array of dictionaries, where each dictionary describes an individual payload of the profile. Each functional profile has at least one or more entries in this array. Each dictionary in this array has a few common properties, regardless of the payload type. Others are specialized and unique to each payload type.

Key

Value

PayloadVersion

Number, mandatory. The version of the individual payload.

 

Each profile can consist of payloads with different version numbers.

 

For instance, the VPN version number can be incremented at a

 

point in the future while the Mail version number would not.

 

 

PayloadUUID

String, mandatory. This is usually a synthetically generated unique

 

identifier string. The exact content of this string is irrelevant;

 

however, it must be globally unique.

 

 

PayloadType

String, mandatory. This key/value pair determines the type of the

 

individual payload within the profile,.

 

 

PayloadOrganization

String, optional. This value describes the issuing organization of the

 

profile, as it will be shown to the user. It can be, but doesn’t have to

 

be, the same as the root level PayloadOrganization.

 

 

PayloadIdentifier

String, mandatory. This value is by convention a dot-delimited

 

string uniquely describing the payload. It is usually the root

 

PayloadIdentifier with an appended subidentifier, describing the

 

particular payload.

 

 

PayloadDisplayName

String, mandatory. This value is a very short string displayed to the

 

user which describes the profile, such as “VPN Settings”. It does not

 

have to be unique.

 

 

PayloadDescription

String, optional. This value determines what descriptive, free-form

 

text is displayed on the Detail screen for this particular payload.

 

 

Appendix B Configuration Profile Format

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Apple iPod and iPod Touch manual Payload Content

iPod and iPod Touch specifications

The Apple iPod, first released in 2001, revolutionized the way we listen to music. This portable media player, with its sleek design and user-friendly interface, quickly garnered a dedicated following. The original iPod featured a mechanical scroll wheel and a minimalist aesthetic, allowing users to carry their music libraries wherever they went. It was a game changer in the digital music landscape, encouraging both casual listeners and audiophiles to embrace the concept of portability.

As technology evolved, so did the iPod. The introduction of the iPod Mini in 2004 marked a transition to a smaller, more compact design. In 2005, Apple launched the iPod Nano, which showcased an even slimmer profile, vibrant color displays, and flash storage for improved resistance to shocks. The most significant evolution came with the introduction of the iPod Touch in 2007, which transformed the iPod into a more multifaceted device.

The iPod Touch brought a touchscreen interface, resembling the iPhone. It allowed users to access not only their music but also apps, games, and web browsing capabilities. The device was powered by Apple's iOS, featuring a robust App Store that offered thousands of applications, from productivity tools to entertainment options. With Wi-Fi connectivity, the iPod Touch enabled users to stream music and videos, browse the internet, and utilize apps without being tethered to a computer.

In terms of audio quality, iPods have consistently featured high-performance DACs and audio processors, capable of delivering excellent sound reproduction. With support for various audio formats, including AAC, MP3, and Apple Lossless, users could enjoy their music without compromise. The integration of iTunes provided a seamless ecosystem for purchasing, organizing, and syncing music.

Throughout its iterations, the design of the iPod Touch has also evolved. The latest generations sport a sleek aluminum casing, Retina displays, and advanced camera systems. Features such as FaceTime, iMessage, and Apple Music integration have positioned the iPod Touch as a versatile device, appealing not only to music lovers but to a broader audience seeking a portable multimedia experience.

Ultimately, while the rise of smartphones may have overshadowed the iPod, its impact on the music industry and digital media consumption remains undeniable. The legacy of the iPod and iPod Touch is characterized by innovation, portability, and a continuous quest to enhance how we experience music and entertainment in our daily lives.