Apple iPhone 14 Pro Max iOS 17.4.1 firmware
Apple iPhone 14 Pro Max
Not signed
iOS 17.4.1
Build 21E237 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
7.41 GB
Downloads from updates.cdn-apple.com.
File details
- Device
- Apple iPhone 14 Pro Max
- OS
- iOS 17.4.1
- Region
- Global
- Type
- IPSW
- Released
- Size
- 7.41 GB
- File name
iPhone15,3_17.4.1_21E237_Restore.ipsw- MD5
e11ecabda659a0862713ce3b1eaabac7- SHA-1
e1b5a0963ee15e759528c40b43296a0ca1e27f4c- SHA-256
9a6e33084181773de72588c9d080a399ab777ff32c0f70c3190778d80d8082da
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