iPhone 15

iOS 27.2.1 (24B156) for iPhone 15

Signed — can be installed Released Nov 9, 2026 iPhone15,4

Download IPSW

iPhone15,4_27.2.1_24B156_Restore.ipsw

10.79 GB
Download iOS 27.2.1

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
8de1f519453177b95203d55241a5d1e42b10e24b73d2b8c587f23b683e2ceb44
SHA1
3cc21b4b1caa687e11ff97253ffd62077ba7ed20
MD5
a459f76f33669938e825aa4257488ceb

On a Mac: shasum -a 256 iPhone15,4_27.2.1_24B156_Restore.ipsw · On Windows: certutil -hashfile iPhone15,4_27.2.1_24B156_Restore.ipsw SHA256

Firmware details

Version
iOS 27.2.1
Build
24B156
Released
November 9, 2026
Uploaded
November 6, 2026
File size
10.79 GB (11,582,121,925 bytes)
Signing
Signed

Device

Identifier
iPhone15,4
Board
D37AP
CPID
0x8120
BDID
0x8

Jailbreak

No public jailbreak is known for iOS 27.2.1 on iPhone 15.

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 27.2.1 with this IPSW

  1. Back up your iPhone 15 to iCloud or your computer — restoring erases the device.
  2. Turn off Find My in Settings → [your name] → Find My.
  3. Connect the device with a cable and open Finder (macOS Catalina or later) or Apple Devices / iTunes (Windows).
  4. Hold Option (Mac) or Shift (Windows) and click Restore. Choose iPhone15,4_27.2.1_24B156_Restore.ipsw.
  5. 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 24B156 is also available for

iPhone 18 Pro iPhone 18 Pro Max (US) iPhone 18 Pro Max iPad Air 13-inch (M4, WiFi) iPad Air 11-inch (M4, WiFi) iPad Air 13-inch (M4, Cellular) iPhone 17e iPad Air 11-inch (M4, Cellular) iPad Pro 11-inch (M5, Cellular) iPad Pro 11-inch (M5, WiFi) iPad Pro 13-inch (M5, WiFi) iPad Pro 13-inch (M5, Cellular) iPhone 17 iPhone Air iPhone 17 Pro Max iPhone 17 Pro iPad Air 13-inch (M3, Cellular) iPad (A16, WiFi) iPad Air 11-inch (M3, Cellular) iPad (A16, Cellular) iPad Air 13-inch (M3, WiFi) iPad Air 11-inch (M3, WiFi) iPhone 16e iPad mini (A17 Pro, WiFi) iPad mini (A17 Pro, Cellular) iPhone 16 Pro iPhone 16 iPhone 16 Pro Max iPhone 16 Plus iPad Air (M2, 11-inch, WiFi) iPad Air (M2, 11-inch, Cellular) iPad Air (M2, 13-inch, Cellular) iPad Pro (M4, 13-inch, Cellular) iPad Pro (M4, 13-inch, WiFi) iPad Air (M2, 13-inch, WiFi) iPad Pro (M4, 11-inch, WiFi) iPad Pro (M4, 11-inch, Cellular) iPhone 15 Pro Max iPhone 15 Pro iPhone 15 Plus

← All iPhone 15 firmware