Apple iPhone 14 Pro Max iOS 18.3.1 firmware
Apple iPhone 14 Pro Max
Not signed
iOS 18.3.1
Build 22D72 For iPhone15,3, D74AP
Global · IPSW
A newer version is available for this region: iOS 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
8.36 GB
Downloads from updates.cdn-apple.com.
File details
- Device
- Apple iPhone 14 Pro Max
- OS
- iOS 18.3.1
- Region
- Global
- Type
- IPSW
- Released
- Size
- 8.36 GB
- File name
iPhone15,3_18.3.1_22D72_Restore.ipsw- MD5
1becbbde287cc6db26798291ed5d8390- SHA-1
9eed08142f63ae388e85d8843d558c205fe4fcf6- SHA-256
e94e29a2c502335386cf28cf4f3c348a950f9160e07155e0eaf9f1f5f6cc7e69
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: iPhone15,3, D74AP. 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