Apple iPad Air 2 (Cellular) iPadOS 15.1 IPSW firmware
Apple iPad Air 2 (Cellular)
Not signed
iPadOS 15.1
Build 19B74 For iPad5,4, J82AP
Global · IPSW
A newer version is available for this region: iPadOS 15.8.8
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
4.80 GB
Downloads from updates.cdn-apple.com.
File details
- OS
- iPadOS 15.1
- Region
- Global
- Type
- IPSW
- Released
- Size
- 4.80 GB
- File name
iPad_64bit_TouchID_15.1_19B74_Restore.ipsw- MD5
440ff9c9811595e55b42fecd80e7809e- SHA-1
e72e5e0823be8fe5f3f619f582d875f5546a11b8- SHA-256
f05ca409b00f25b115202dcade69552ae930b15a0fe661e94b459aeb5a129bd0
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: iPad5,4, J82AP. 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