Apple iPad Air (Cellular) iOS 8.2 IPSW firmware
Apple iPad Air (Cellular)
Not signed
iOS 8.2
Build 12D508 For iPad4,2, J72AP
Global · IPSW
A newer version is available for this region: iOS 12.5.8
Apple no longer signs this version, so a normal restore with Finder or iTunes will fail. Use a signed version unless you know you need this one.
Download
1.94 GB
Downloads from appldnld.apple.com.
File details
- OS
- iOS 8.2
- Region
- Global
- Type
- IPSW
- Released
- Size
- 1.94 GB
- File name
iPad4,2_8.2_12D508_Restore.ipsw- MD5
6743341833c483d8b8ce63bf3485c2e6- SHA-1
0861f2d53cc9d2af0d03df814f385eb05e594ee1- SHA-256
790dab0c76aa9d547b58654305f6b840534b315756c5508c9cf9b0ba418aed3e
After downloading, compare the checksum with the one above. If they differ, the file is incomplete — download it again.
Before you download
- Make sure your device’s model number is one of: iPad4,2, J72AP. You will find it in Settings → About phone, or on the box.
- This file is for the Global region. Installing another region’s firmware can remove features or block updates.
- Apple devices can only restore versions marked “Signed”.
- Back up your photos, contacts and files first, and charge the battery above 50%.
How to install
Use Finder on a Mac or the Apple Devices app / iTunes on Windows to install an IPSW file. Apple only accepts versions it is still signing, so check the “Signed” label before you download.
Read the guide: How to restore an iPhone, iPad or iPod with an IPSW file