iOS 8.2 (12D508) for iPad Air (China)

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iPad Air (China)

✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.

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Download (1.9 GiB)

This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore. The instructions below are included for reference only.

Windows

  1. Install the latest version of Apple Devices from the Microsoft Store.
  2. Plug your iPad Air (China) in to your PC.
  3. Open Apple Devices, and navigate to your iPad Air (China).
  4. Hold the Shift key on your keyboard, and press "Restore".
  5. Select the iPad4,3_8.2_12D508_Restore.ipsw file that you downloaded.
  6. Wait for the restore to complete, and the iPad Air (China) to reboot.

macOS

  1. Plug your iPad Air (China) in to your Mac.
  2. Navigate to your iPad Air (China) in Finder.
  3. Hold the Option or Alt key on your keyboard, and press "Restore".
  4. Select the iPad4,3_8.2_12D508_Restore.ipsw file that you downloaded.
  5. Wait for the restore to complete, and the iPad Air (China) to reboot.

Linux

  1. Install idevicerestore.
  2. Plug your iPad Air (China) in to your PC.
  3. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  4. To perform a full erase restore, type idevicerestore -e iPad4,3_8.2_12D508_Restore.ipsw and press enter.
  5. Wait for the restore to complete, and the iPad Air (China) to reboot.

Windows

  1. Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
  2. Type Get-FileHash iPad4,3_8.2_12D508_Restore.ipsw -Algorithm SHA1
  3. The output of the command should match the following checksum: d8a80471e9d1d2aa420651b70552e1e97b6cbc92. If it doesn't, you may need to redownload the file.

macOS

  1. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  2. Type openssl sha1 iPad4,3_8.2_12D508_Restore.ipsw
  3. The output of the command should match the following checksum: d8a80471e9d1d2aa420651b70552e1e97b6cbc92. If it doesn't, you may need to redownload the file.

Linux

  1. Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
  2. Type openssl sha1 iPad4,3_8.2_12D508_Restore.ipsw
  3. The output of the command should match the following checksum: d8a80471e9d1d2aa420651b70552e1e97b6cbc92. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum87ae7ec22a9acc9b7bb40aaa67187173550fe1c6d09e8af4f62a2201932e1fae
MD5sum87ae7ec22a9acc9b7bb40aaa67187173550fe1c6d09e8af4f62a2201932e1fae
SHA1sumd8a80471e9d1d2aa420651b70552e1e97b6cbc92
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 8.2

This release introduces support for Apple Watch, and also includes improvements to the Health app, increased stability and bug fixes.

Apple Watch support

• New Apple Watch app to pair and sync with iPhone, and to customize watch settings

• New Activity app for viewing fitness data and achievements from Apple Watch; appears when Apple Watch is paired

• Available on iPhone 5 and later

Health app improvements

• Adds the ability to select the unit of measurement for distance, body temperature, height, weight and blood glucose

• Improves stability when dealing with large amounts of data

• Includes the ability to add and visualize workout sessions from 3rd-party apps

• Addresses an issue that may have prevented users from adding a photo in Medical ID

• Fixes units for vitamins and minerals

• Fixes an issue where Health data wouldn’t refresh after changing data source order

• Fixes an issue where some graphs showed no data values

• Adds a privacy setting that enables turning off tracking of steps, distance and flights climbed

Stability enhancements

• Increases stability of Mail

• Improves stability of Flyover in Maps

• Improves stability of Music

• Improves VoiceOver reliability

• Improves connectivity with Made for iPhone Hearing Aids

Bug fixes

• Fixes an issue in Maps that prevented navigating to some favorite locations

• Addresses an issue where the last word in a quick reply message wasn't autocorrected

• Fixes an issue where duplicate iTunes purchased content could prevent iCloud restore from completing

• Resolves an issue where some music or playlists didn’t sync from iTunes to the Music app

• Fixes an issue where deleted audiobooks sometimes remained on device

• Resolves an issue that could prevent call audio from routing to car speakers while using Siri Eyes Free

• Fixes a Bluetooth calling issue where no audio is heard until the call is answered

• Fixes a timezone issue where Calendar events appear in GMT

• Addresses an issue that caused certain events in a custom recurring meeting to drop from an Exchange calendar

• Fixes a certificate error that prevented configuring an Exchange account behind a third-party gateway

• Fixes an issue that could cause an organizer’s Exchange meeting notes to be overwritten

• Resolves an issue that prevented some Calendar events from automatically showing as 'Busy' after accepting an invite

For information on the security content of this update, please visit this website:   

http://support.apple.com/kb/HT1222

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