iPad Air (WiFi) iPad4,1

IPSW Unsigned 12H321

iPadOS 8.4.1

iPadOS

Version

8.4.1

Build ID

12H321

File Size

1.89 GB

Release Date

2015-08-13

Last Updated

2015-08-07

Download IPSW

Beta firmware? Download Here →

About This Firmware

iPadOS 8.4.1 (build 12H321) is an official Apple IPSW for the iPad Air (WiFi), released on 2015-08-13. The file is served directly from Apple's CDN. This firmware is no longer signed by Apple. Standard downgrades are not possible, but the file remains available for reference and advanced use.

Verify the download using the SHA-256 or SHA-1 checksum listed in the Checksums section below.

Filename

iPad4,1_8.4.1_12H321_Restore.ipsw

Checksums

SHA-256 2787f203b895ab00a0a483d8815cba8f8eb48d5cdf5dbee1c8a9b2d44d2dd8ae

SHA-1 80dff70f29097e06c928f6fc95be40c89a6eb007

MD5 6309af1701be643a984a940d17c1e932

Direct URL

http://appldnld.apple.com/ios8.4.1/031-31311-20150812-53F5D078-3C90-11E5-8FFE-4A1C3A53DB92/iPad4,1_8.4.1_12H321_Restore.ipsw

Other Devices

iPad 2 (CDMA)

iPad2,3

iPad Pro 4 (11-inch, WiFi)

iPad8,9

iPad Air 13-inch (M4, Cellular)

iPad16,11

iPad (Cellular, 9th generation)

iPad12,2

iPad mini (GSM)

iPad2,6

iPad Pro 3 (11-inch, Cellular)

iPad8,3

How to Restore with This IPSW

iTunes / Finder

macOS & Windows

Download the .ipsw file to your computer.
Connect your iPad Air (WiFi) via USB.
Open iTunes (Windows / macOS Mojave and earlier) or Finder (macOS Catalina+) and select your device.
Update (keep data): hold Option (Mac) or Shift (Windows) and click Update, then pick the .ipsw file.
Restore (erase & install): hold Option / Shift and click Restore iPhone…, then pick the .ipsw file.
Wait for the process to finish - do not disconnect.

Restoring will erase all data on the device. Back up first.

3uTools

Windows

Download and install 3uTools from 3u.com.
Connect your iPad Air (WiFi) via USB and trust the computer on the device.
Go to Flash & JB → Easy Flash.
Click Import and select the downloaded .ipsw file.
Choose Flash mode: Update keeps data, Restore wipes the device.
Click Flash and wait for the progress bar to complete - do not disconnect.

Only flash firmware that matches your exact device model.

DFU Mode

Recovery tip

If your device is stuck in a boot loop or iTunes/Finder does not recognise it, enter DFU mode first, then select the .ipsw file as normal.

iPhone 8 / X and later

Quickly press & release Volume Up
Quickly press & release Volume Down
Hold Side button until screen goes black
Hold Side + Volume Down for 5 s
Release Side, hold Volume Down 5 more s
Black screen = DFU active

iPhone 7 / 7 Plus

Hold Sleep/Wake + Volume Down for 8 s
Release Sleep/Wake, keep holding Volume Down for 5 s
Black screen = DFU active

iPhone 6s and earlier

Hold Sleep/Wake + Home for 8 s
Release Sleep/Wake, keep holding Home for 5 s
Black screen = DFU active