Unlock Icloud Iphone 4s

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iCloudis a cloud service operated by Apple Inc. Launched on October 12, 2011, iCloud enables users to store and sync data across devices, including Apple Mail, Apple Calendar, Apple Photos, Apple Notes, contacts, settings, backups, and files, to collaborate with other users, and track assets through Find My.[1] It is built into iOS, iPadOS, watchOS, tvOS, macOS, and visionOS. iCloud may additionally be accessed through a limited web interface and Windows application.

iCloud offers users 5 GB of free storage which may be upgraded through optional paid plans to up to 12 TB;[2][3] all paid plans include iCloud+ providing additional features.[4] Optional end-to-end encryption has been available since 2022 for all iCloud data, except Calendar, Contacts, and Mail, which rely on legacy sync technologies for compatibility with third-party apps (CalDav, CardDav, IMAP).[5][6] As of 2018[update], the service had an estimated 850 million users, up from 782 million users in 2016.[7][8][9]

iCloud was announced on May 31, 2011, in a press release.[10] On June 6, 2011, during the WWDC 2011 keynote, Steve Jobs announced that iCloud would replace MobileMe, which had been widely seen as a "failure",[11] a fact which Steve Jobs acknowledged during the announcement.[12] iCloud was released on October 12, 2011, and MobileMe was discontinued on June 30, 2012. Previous MobileMe users could keep their @mac.com and @me.com email addresses as aliases to their new @icloud.com address. Earlier versions included Back to My Mac, which was previously part of MobileMe.[13] This service allowed users to create point-to-point connections between computers. It was discontinued on July 1, 2019.

iCloud had 20 million users within a week after launch.[14] It received early criticism for bugs, especially with Core Data syncing.[15][16][17] These issues were addressed in iOS 7 and OS X Mavericks.[18][19]

At launch, iCloud was partly hosted on Amazon Web Services and Microsoft Azure. In 2016, Apple replaced Azure with Google Cloud Platform.[20] In 2021, The Information reported that Apple was storing 8 million TB of data on Google's cloud, and was on track to spend $300 million that year.[21] Apple also operates its own data centers, including one in Maiden, North Carolina.[22]

In June 2021, Apple introduced iCloud+, which added Private Relay, Hide My Email and Custom Email Domain to paid users of the services, as well as an unlimited storage limit for video from cameras added through HomeKit Secure Video.

iCloud is a free service, and comes with 5 GB of cloud storage. Users can subscribe to iCloud+ for additional storage up to 2 TB (or 4 TB for users of Apple One Premier plan who also buy an additional 2 TB of storage).

iCloud allows users to back up the settings and data on iOS devices running iOS 5 or later.[27] Data backed up includes photos and videos in the Camera Roll, device settings, app data, messages (iMessage, SMS, and MMS), ringtones, and Visual Voicemails.[28] Backups occur daily when the device is locked and connected to Wi-Fi and a power source. In case of a malfunction of any Apple device, during the restoration process, iCloud offers to restore all data along with App data only if the device was synced to iCloud and backed up.

Find My enables users to track the location of iOS, iPadOS, macOS, watchOS devices, AirPods, AirTags and a number of supported third-party accessories through a connected iCloud account. A user can see the device's approximate location on a map (along with a circle depicting the margin of error), display a message and/or play a sound on the device (even if it is set to silent), and remotely erase its contents.[29] Users can also share their GPS locations to others with Apple devices and view the location of others who choose to share their location.

iCloud Keychain backups provide different security guarantees than traditional iCloud backups. This is because iCloud Keychain uses "end-to-end encryption", meaning that iCloud Keychain backups are designed so that the provider does not have access to unencrypted data. This is accomplished through the use of a novel "key vault" design based on a Hardware Security Module located in Apple's data centers.[32]

iTunes Match debuted on November 14, 2011. It was initially available to US users only.[33] For an annual fee, customers can scan and match tracks in their iTunes music library, including tracks copied from CDs or other sources, with tracks in the iTunes Store, so customers do not have to repurchase said tracks. Customers may download up to 100,000 tracks in 256 kbit/s DRM-free AAC file format that matches tracks in any supported audio file formats in customers' iTunes libraries, including ALAC and MP3. Customers also have the choice to keep their original copies stored on their computers or have them replaced by copies from the iTunes Store.[34] Any music not available in the iTunes Store is uploaded for download onto customers' other supported devices and computers; doing this will not take storage from the customers' iCloud's storage allowance. Any such tracks stored in the higher quality lossless audio ALAC, or original uncompressed PCM formats, WAV and AIFF, are transcoded to 256 kbit/s DRM-free AAC format before uploading to the customers' iCloud storage account, leaving the original higher quality local files in their original format.[35]

If a user stops paying for the iTunes Match service, all copies of the DRM-free AAC iTunes Store versions of tracks that have already been downloaded onto any device can be kept,[36][37] whether on iOS devices or computers.[36]

From iOS 7 and OS X Mavericks, the iTunes Radio function will be available across devices, including integration with the Music app, both on portable iOS devices and Apple TV (2nd generation onwards), as well as inside the iTunes app on Macintosh and Windows computers. It will be included in an ad-free version for subscribers to the iTunes Match service and is currently[when?] available only in the US and Australia[38]

During the 2013 Apple Worldwide Developers Conference (WWDC) keynote speech, iWork for iCloud was announced for release at the same time as the next version of the app versions of iWork later in the year. The three apps for both iOS and macOS that form Apple's iWork suite (Pages, Numbers, and Keynote), will be made available on a web interface (named as Pages for iCloud, Numbers for iCloud, and Keynote for iCloud respectively), and accessed via the iCloud website under each user's iCloud Apple ID login. They will also sync with the user's iOS and macOS versions of the app, should they have them, again via their iCloud Apple ID.

Photo Stream was a service supplied with the basic iCloud service which allows users to store the most recent 1,000 photos on the iCloud servers for up to 30 days free of charge. When a photo is taken on a device with Photo Stream enabled, it automatically uploaded to iCloud servers. From there, it become available for viewing and saving on the rest of the user's Photo Stream-enabled devices. The photo was automatically removed from the server after 30 days or when it becomes photo number 1,001 in the user's stream. Photo Stream installed on a Mac or Windows desktop computer includes an option to have all photos permanently saved on that device. The service also integrated with Apple TV, allowing users to view their recent photos wirelessly on their HDTV.[41] In May 2023, Apple announced the discontinuation of Photo Stream, with uploads turned off on June 26, and the service turned off on July 26.[42]

iCloud Photos is a feature on iOS 8.1 or later and OS X Yosemite (version 10.10) or later, plus web app access. The service stores all of the user's photos, maintaining their original resolution and metadata. Users can access their iCloud Photos on supported devices via the new Photos app when available or via the iCloud Photos web app at iCloud.com, which helps limit the amount of local storage each device needs to use to store photos (particularly those with smaller storage capacities) by storing lower-resolution versions on the device, with the user having the option to keep some/all stored locally at a higher resolution.

Since its introduction in 2011, each account has 5 GB of free storage for owners of either an iOS device using iOS 5.x or later, or a Mac using OS X Lion 10.7 or later. Users can pay monthly for additional storage for a total of 50 GB, 200 GB or 2 TB. Starting in September 2023, storage options for 6 TB and 12 TB have been added.[3] The amount of storage is shared across all devices per iCloud Apple ID.[43]

Several native features of iCloud use each user's iCloud storage allowance, specifically, Backup and restore, and email, Contacts, and Calendars. On Macs, users can also store most filetypes into iCloud folders of their choosing, rather than only storing them locally on the machine. While Photo Stream uses the iCloud servers, usage does not come out of the user's iCloud storage allowance. This is also true for iTunes Match music content, even for music that is not sold in the iTunes Store and which gets uploaded into iCloud storage, it does not count against the user's allowance. Other apps can optionally integrate app storage out of the user's iCloud storage allowance.

Not all of a user's content counts as part of their iCloud storage allowance. Apple can keep a permanent track of every purchase a user makes under their Apple ID account, and by associating each piece of content with the user, it means only one copy of every Store item is needed to be kept on Apple's servers. For items bought from the iTunes Store (music, music videos, movies, TV shows), Apple Books Store (books), or App Store (iOS apps), this uses a service Apple called iTunes in the Cloud, allowing the user to automatically, or manually if preferred, re-download any of their previous purchases on to a Mac, PC, or iOS device.[39] Downloaded (or streamed, provided the user is connected to the Internet) iTunes Store content can be used across all these devices, however, while Apple Books Store and App Store content can be downloaded to Macs and PCs for syncing to iOS devices, only iOS and Mac devices (and their respective apps) can be used to read the books.[44] Similarly, macOS apps purchased from the Mac App Store are also linked to the Apple ID they were purchased through and can be downloaded to any Mac using the same Apple ID. Also, when a user registers any new device, all previously bought Store content can be downloaded from the Store servers or non-Store content from the iCloud servers.[45]

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