Apple iPhone 14 Plus iOS 17.2.1 firmware

Apple iPhone 14 Plus Not signed
iOS 17.2.1

Build 21C66 For iPhone14,8, D28AP

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 7.23 GB

Downloads from updates.cdn-apple.com.

File details

OS
iOS 17.2.1
Region
Global
Type
IPSW
Released
Size
7.23 GB
File name
iPhone14,8_17.2.1_21C66_Restore.ipsw
MD5
7d3622e70086e644cf8b5727077efaf8
SHA-1
8057c1d71f193c936dad8d3f53b41719646c1f52
SHA-256
892c5967cedf0765573a13c8fd8e6febffce270d898ac2712e7f4d0595de7398

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: iPhone14,8, D28AP. 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

Other Apple iPhone 14 Plus versions

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