Apple iPhone 15 iOS 18.1.1 IPSW firmware
Apple iPhone 15
Not signed
iOS 18.1.1
Build 22B91 For iPhone15,4, D37AP
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
8.05 GB
Downloads from updates.cdn-apple.com.
File details
- Device
- Apple iPhone 15
- OS
- iOS 18.1.1
- Region
- Global
- Type
- IPSW
- Released
- Size
- 8.05 GB
- File name
iPhone15,4_18.1.1_22B91_Restore.ipsw- MD5
1e81f63a45de1406f4bedd8a0ee2d7c8- SHA-1
39724daeb1ca02c06eac8841cfda744369daf96d- SHA-256
8d3fa08c3f16893fc4e3c1a8025dced2015f5e4fbb37da590feda2949e94fff4
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: iPhone15,4, D37AP. 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