Apple iPad Air 4 (WiFi) iPadOS 26.3.1 firmware
Apple iPad Air 4 (WiFi)
Not signed
iPadOS 26.3.1
Build 23D8133 For iPad13,1, J307AP
Global · IPSW
A newer version is available for this region: iPadOS 27.2 beta 4
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
9.04 GB
Downloads from updates.cdn-apple.com.
File details
- Device
- Apple iPad Air 4 (WiFi)
- OS
- iPadOS 26.3.1
- Region
- Global
- Type
- IPSW
- Released
- Size
- 9.04 GB
- File name
iPad_Fall_2020_26.3.1_23D8133_Restore.ipsw- MD5
36d0ca198932cbeb8c2f54ea0e439151- SHA-1
08a97b49b0f4a7eff009567abb4d1b7dfd695600- SHA-256
de9521cf5532f5ecdae6f4776c92d1f30216bd6cb5b5e15b8e637eddec9cb043
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: iPad13,1, J307AP. 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