Apple iPhone 15 iOS 26.4.2 IPSW firmware

Apple iPhone 15 Not signed
iOS 26.4.2

Build 23E261 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 9.64 GB

Downloads from updates.cdn-apple.com.

File details

OS
iOS 26.4.2
Region
Global
Type
IPSW
Released
Size
9.64 GB
File name
iPhone15,4_26.4.2_23E261_Restore.ipsw
MD5
cb8e7b503104ad8fd4ea428f65807550
SHA-1
884e77dcd89aa70ed71f81f6221118f52348485b
SHA-256
b95c31988781fc742236aadcb620677ba9975b848c95112f9dd5d95a1c04a20b

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

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