Apple iPhone 16 iOS 26.4.2 firmware
Apple iPhone 16
Not signed
iOS 26.4.2
Build 23E261 For iPhone17,3, D47AP
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
10.3 GB
Downloads from updates.cdn-apple.com.
File details
- Device
- Apple iPhone 16
- OS
- iOS 26.4.2
- Region
- Global
- Type
- IPSW
- Released
- Size
- 10.3 GB
- File name
iPhone17,3_26.4.2_23E261_Restore.ipsw- MD5
5237c20425596c3686526a4a11e567e3- SHA-1
e067ec44c3e7d38c85d23ac8bb5a3155129855b0- SHA-256
e5b765050ce848cb49c28b795a82dc2ae3835aad7d70980abd5e3752bbbc4350
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: iPhone17,3, D47AP. 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