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UDID
UDID is an acronym for Unique Device Identifier. The UDID is a feature of Apple's devices running iOS, tvOS, watchOS, and macOS. It is a unique identifier that is calculated from different hardware values, such as the ECID. It is sent to Apple servers when a user tries to activate the device during Setup. This ID is also used to detect the phone or to communicate with it while restoring the IPSW firmware. Formats This unique ID has been formatted in two ways: for devices introduced between 2007 and 2018 it was represented as a 40-digit lowercase hex code, and for device models introduced after 2018, as a 25-digit uppercase hex code. It is not written on the device cover as the IMEI is, but it can be retrieved by iTunes in normal mode. Usage Apple mostly uses this ID to identify the device on their services, such as Apple ID and iCloud. This also holds the Find My Activation Lock status. Starting from iOS 11, Apple's verification server will check the device's UDID before it ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
IOS 11
iOS 11 is the iOS version history, eleventh major release of the iOS mobile operating system developed by Apple Inc., Apple, being the successor to iOS 10. It was announced at the company's Worldwide Developers Conference on June 5, 2017, and was released on September 19, 2017. It was succeeded by iOS 12 on September 17, 2018. Overview iOS 11 was introduced at the Apple Worldwide Developers Conference keynote address on June 5, 2017. The first developer beta version was released after the keynote presentation, with the first public beta released on June 26, 2017. iOS 11 was officially released by Apple on September 19, 2017. It brought many changes to iOS. Some major highlights were: * The lock screen and Notification Center were combined, allowing all notifications to be displayed directly on the lock screen. * The control center was completely redesigned, combining all pages into a single unified page. It also brought the ability to rearrange the position of the controls, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Apple Inc
Apple Inc. is an American multinational corporation and technology company headquartered in Cupertino, California, in Silicon Valley. It is best known for its consumer electronics, software, and services. Founded in 1976 as Apple Computer Company by Steve Jobs, Steve Wozniak and Ronald Wayne, the company was incorporated by Jobs and Wozniak as Apple Computer, Inc. the following year. It was renamed Apple Inc. in 2007 as the company had expanded its focus from computers to consumer electronics. Apple is the largest technology company by revenue, with billion in the 2024 fiscal year. The company was founded to produce and market Wozniak's Apple I personal computer. Its second computer, the Apple II, became a best seller as one of the first mass-produced microcomputers. Apple introduced the Lisa in 1983 and the Macintosh in 1984, as some of the first computers to use a graphical user interface and a mouse. By 1985, internal company problems led to Jobs leavin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
TvOS
tvOS (formerly Apple TV Software) is an operating system developed by Apple for the Apple TV, a digital media player. In the first-generation Apple TV, Apple TV Software was based on Mac OS X. The software for the second-generation and later Apple TVs is based on the iOS operating system and has many similar frameworks, technologies, and concepts. The second- and third-generation Apple TV have several built-in applications, but do not support third-party applications. On September 9, 2015, Apple announced the fourth-generation Apple TV, with support for third-party applications. Apple also changed the name of the Apple TV operating system to tvOS, adopting the camel case nomenclature that they were using for their other operating systems, iOS and watchOS. The latest version, tvOS 18, was released on September 16, 2024. History On October 30, 2015, the fourth-generation Apple TV became available; it shipped with tvOS 9.0. On November 9, 2015, tvOS 9.0.1 was released, pr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
WatchOS
watchOS is the operating system of the Apple Watch, developed by Apple Inc., Apple. It is based on iOS, the operating system used by the iPhone, and has many similar features. It was released on April 24, 2015, along with the Apple Watch, the only device that runs watchOS. watchOS exposes an API called WatchKit for developer use. The second version, watchOS 2, included support for native third-party apps and other improvements, and was released on September 21, 2015. The third version, watchOS 3, was released on September 13, 2016, to emphasize better performance and include new watch faces and stock apps. The fourth version, watchOS 4, was released on September 19, 2017. The fifth version, watchOS 5, was released on September 17, 2018, to add more third-party support and new workouts, along with the "Walkie-Talkie (Apple), Walkie-Talkie" feature. The sixth version, watchOS 6, was released on September 19, 2019. The seventh version, watchOS 7, was released on September 16, 2020, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
MacOS
macOS, previously OS X and originally Mac OS X, is a Unix, Unix-based operating system developed and marketed by Apple Inc., Apple since 2001. It is the current operating system for Apple's Mac (computer), Mac computers. Within the market of Desktop computer, desktop and laptop computers, it is the Usage share of operating systems#Desktop and laptop computers, second most widely used desktop OS, after Microsoft Windows and ahead of all Linux distributions, including ChromeOS and SteamOS. , the most recent release of macOS is MacOS Sequoia, macOS 15 Sequoia, the 21st major version of macOS. Mac OS X succeeded classic Mac OS, the primary Mac operating systems, Macintosh operating system from 1984 to 2001. Its underlying architecture came from NeXT's NeXTSTEP, as a result of NeXT#1997–2006: Acquisition by Apple, Apple's acquisition of NeXT, which also brought Steve Jobs back to Apple. The first desktop version, Mac OS X 10.0, was released on March 24, 2001. Mac ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
SHSH Blob
In computing, a SHSH blob, short for Signature HaSH blob, is a digital signature that Apple generates and uses to control the iOS versions that users can install on their iOS devices generally only allowing the newest iOS version to be installable. Apple's public name for this process is ''System Software Authorization'' (before iOS 7, ''System Software Personalization''). The term “SHSH blob” is unofficial and based on abbreviations for signed hash and binary large object. An alternative term, ''ECID SHSH'', refers to the device's ECID, a unique identification number embedded in its hardware. This process is controlled by the TATSU ("TSS") Signing Server (gs.apple.com) where updates and restores can only be completed by iTunes if the version of iOS is being signed. Developers interested in iOS jailbreaking have made tools for working around this signature system in order to install jailbreakable older iOS versions that are no longer being signed by Apple. Technical details ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
IPSW
IPSW is a file format used to install iOS, iPadOS, tvOS, HomePod, watchOS, and most recently, macOS firmware for devices equipped with Apple silicon. All Apple devices share the same IPSW file format for iOS firmware and their derivatives, allowing users to flash their devices through Finder or iTunes on macOS or Windows, respectively. Users can flash Apple silicon Macs through Apple Configurator 2. Structure The .ipsw file itself is a compressed archive file (renamed Zip archive) containing at least three Apple Disk Image files with one containing the root file system of the OS and two ram disks for restore and update. tvOS, audioOS and macOS also include a disk image for the recovery environment (recoveryOS). The file also holds the kernel caches, and a "Firmware" folder which contains iBoot, LLB (Low-Level Bootloader), iBSS (iBoot Single Stage), iBEC (iBoot Epoch Change), the Secure Enclave Processor firmware, the Device Tree, Firmware Images (Apple logo, battery ima ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Firmware
In computing Computing is any goal-oriented activity requiring, benefiting from, or creating computer, computing machinery. It includes the study and experimentation of algorithmic processes, and the development of both computer hardware, hardware and softw ..., firmware is software that provides low-level control of computing device Computer hardware, hardware. For a relatively simple device, firmware may perform all control, monitoring and data manipulation functionality. For a more complex device, firmware may provide relatively low-level control as well as hardware abstraction Service (systems architecture), services to higher-level software such as an operating system. Firmware is found in a wide range of computing devices including personal computers, smartphones, home appliances, vehicles, computer peripherals and in many of the integrated circuits inside each of these larger systems. Firmware is stored in non-volatile memory either read-only memory (ROM) or progra ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
IMEI
The International Mobile Equipment Identity (IMEI) is a numeric identifier, usually Unique identifier, unique, for 3GPP and iDEN mobile phones, as well as some satellite phones. It is usually found printed inside the battery compartment of the phone but can also be displayed on-screen on most phones by entering the Unstructured Supplementary Service Data#Code table, MMI Supplementary Service code *#06# on the dialpad, or alongside other system information in the settings menu on smartphone operating systems. GSM networks use the IMEI number to identify valid devices, and can stop a stolen phone from accessing the network. For example, if a mobile phone is stolen, the owner can have their network provider use the IMEI number to blocklist the phone. This renders the phone useless on that network and sometimes other networks, even if the thief changes the phone's subscriber identity module, SIM card. Devices without a SIM card slot or eSIM capability usually do not have an IMEI, exc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Apple ID
Apple Account, formerly known as Apple ID, is a user account by Apple for their devices and software. Apple Accounts contain the user's personal data and settings, and when an Apple Account is used to log in to an Apple device, the device will automatically use the data and settings associated with the Apple Account. Usage Account creation An Apple Account can be created by going to the associated website. As of December 2024, Apple has deprecated security questions and made two-factor authentication mandatory for activating iTunes & App Store functionality on a newly created account – a process that requires a device with iOS 13.4 (for iPhone or iPod Touch), iPadOS 13.4, macOS 10.15.4 or later. Modification Users can change their passwords or personal information on the My Apple Account page by selecting the "Manage your account" link. Changes that a user makes to an Apple Account, whilst they are using one Apple product, are also recognized by other applications whe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Find My
Find My is an asset tracking service made by Apple Inc. that enables users to track the location of iOS, iPadOS, macOS, watchOS, visionOS devices, AirPods, AirTags, and a number of supported third-party accessories through a connected iCloud account. Users can also show their primary device's geographic location to others, and can view the location of others who choose to share their location. Find My was released alongside iOS 13 on September 19, 2019, merging the functions of the former Find My iPhone (known on Mac computers as Find My Mac) and Find My Friends into a single app. On watchOS, Find My is separated into three different applications: Find Devices, Find People and Find Items. After release on iOS, Find My was released on iPadOS 13.1 on September 24, 2019 and macOS 10.15 on October 7, 2019. Background The original "Find My iPhone" app was announced on June 10, 2009 and released in June 2010 alongside iPhone OS 3. At the time, it required a paid subscripti ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
IPhone 4
The iPhone 4 is a smartphone that was developed and marketed by Apple Inc. It is the List of iPhone models, fourth generation of the iPhone lineup, succeeding the iPhone 3GS and preceding the iPhone 4s. Following a number of notable leaks, the iPhone 4 was first unveiled on June 7, 2010, at Apple's Worldwide Developers Conference in San Francisco, and was released on June 24, 2010, in the United States, United Kingdom, France, Germany, and Japan. The iPhone 4 introduced a new hardware design to the iPhone family, which Apple's CEO Steve Jobs touted as the thinnest smartphone in the world at the time; it consisted of a stainless steel frame which doubled as an antenna, with internal components situated between two panels of aluminosilicate glass. The iPhone 4 introduced Apple's new high-resolution "Retina display" (with a pixel density of 326 pixels per inch), while maintaining the same physical size and aspect ratio as its precursors, Apple's Apple A4, A4 system-on-chip, alo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
