iOS 17.5 (21F79) for iPhone 12

Not signed Released May 13, 2024 iPhone13,2

Download IPSW

iPhone13,2,iPhone13,3_17.5_21F79_Restore.ipsw

7.46 GB

Apple no longer signs this version. Finder and iTunes will refuse to install it on iPhone 12 — the latest signed version is iOS 27.2.

Download iOS 17.5

The file is downloaded directly from Apple’s servers (updates.cdn-apple.com). Large files download faster with a download manager or curl -O.

Verify the file

SHA256: 83900000d72efe3416e749d8584d5cb8ed20308435c46b1a2a7c73aa4bfc84b7
SHA1: 670ff4c941149ee21dd9e4c597b278acc6b1d50f
MD5: 276ec501580a38e7af1c84fe370cef27

On a Mac: shasum -a 256 iPhone13,2,iPhone13,3_17.5_21F79_Restore.ipsw · On Windows: certutil -hashfile iPhone13,2,iPhone13,3_17.5_21F79_Restore.ipsw SHA256

Firmware details

Version: iOS 17.5
Build: 21F79
Released: May 13, 2024
Uploaded: May 5, 2024
File size: 7.46 GB (8,006,803,684 bytes)
Signing: Unsigned

Device

Name: iPhone 12
Identifier: iPhone13,2
Board: D53gAP
Platform: t8101
CPID: 0x8101
BDID: 0xC

Jailbreak

No public jailbreak is known for iOS 17.5 on iPhone 12.

Real jailbreaks are always free and open source. Sites asking you to pay, install profiles or “verify” with surveys are scams.

How to install iOS 17.5 with this IPSW

Back up your iPhone 12 to iCloud or your computer — restoring erases the device.
Turn off Find My in Settings → [your name] → Find My.
Connect the device with a cable and open Finder (macOS Catalina or later) or Apple Devices / iTunes (Windows).
Hold Option (Mac) or Shift (Windows) and click Restore. Choose iPhone13,2,iPhone13,3_17.5_21F79_Restore.ipsw.
Wait — the device restarts several times. Don’t disconnect it until you see the Hello screen.

Stuck on the Apple logo? Put the device into recovery mode first, then restore.

Build 21F79 is also available for

← All iPhone 12 firmware