The iPhone 11 is one of the most widely used iPhones still receiving full iOS updates. Unlike older models that are frozen at a final iOS version, the iPhone 11 family — including the iPhone 11 Pro and iPhone 11 Pro Max — continues to receive iOS 26 security patches and point releases. This guide covers which IPSW build to download, how to identify your exact model, and what "signed" means for your restore options.

For a primer on what IPSW files are and why signing status determines what you can install, see What Is a Signed IPSW?

Direct Answer: iPhone 11, iPhone 11 Pro, and iPhone 11 Pro Max all run iOS 26. The current signed build is iOS 26.6 (build 23G71). To download the firmware: go to IPSW.io iPhone 11, iPhone 11 Pro, or iPhone 11 Pro Max, and select the signed build. Use Finder (Mac) or Apple Devices (Windows) to restore.

iPhone 11 Model Identifiers

Every iPhone has an internal hardware identifier that determines which IPSW file is compatible. Downloading the wrong model's IPSW will result in a restore failure. Confirm your model at Settings → General → About → Model Number (tap to toggle between the marketing number and the part number).

Device name Model identifier Model numbers (examples)
iPhone 11 iPhone12,1 MWLU2LL/A, MWM02LL/A, MWM12LL/A
iPhone 11 Pro iPhone12,3 MWBT2LL/A, MWC72LL/A
iPhone 11 Pro Max iPhone12,5 MWGY2LL/A, MWH12LL/A

Currently Signed iOS 26 Builds for iPhone 11 (July 2026)

Apple controls which builds can be restored through a signing window. Only signed builds can be installed via IPSW restore. Always confirm live signing status on IPSW.io before downloading, as this changes without notice.

iOS version Build number Status (July 2026) Notes
iOS 26.6 23G71 ✓ Signed Current release — recommended
iOS 26.5.2 23F84 ✓ Signed Previous patch release
iOS 26.5 23F77 ✗ Unsigned Signing closed
iOS 26.4.2 23E261 ✗ Unsigned Signing closed

Which Build Should You Install?

For most users the answer is straightforward: install the latest signed build, iOS 26.6 (23G71). This is the build Apple considers current and it includes the most recent security patches.

The only reason to install an older signed build (iOS 26.5.2) is app compatibility — if a specific app breaks on the latest release and you must stay on the previous patch. Even then, that window closes when Apple releases the next update and unsigned builds cannot be installed regardless of intent.

For the full explanation of signing windows and what happens when they close, see iOS IPSW Signing Status — How It Works.

How to Restore iPhone 11 Using an IPSW File

IPSW restores are used when the device will not boot, when you need a clean install, or when Software Update cannot complete. For a standard update, Settings → General → Software Update is faster and does not require a computer.

  1. Back up your iPhone to iCloud or your Mac/PC — a restore erases the device.
  2. Download the correct IPSW for your exact model from the links above. Confirm the build is signed.
  3. Disable Find My iPhone: Settings → [Your Name] → Find My → Find My iPhone → Off.
  4. Connect your iPhone to your Mac or PC with a cable.
  5. Open Finder (Mac) or Apple Devices / iTunes (Windows). Select your iPhone.
  6. Hold Option (Mac) or Shift (Windows) and click Restore iPhone. Select the IPSW file.
  7. Confirm — this erases the device and installs the selected iOS version.

If the restore fails or the device loops on the Apple logo, see iPhone Boot Loop Fix: Recover Without Losing Data for DFU mode recovery steps.

iPhone 11 and iOS 27

The iPhone 11 is compatible with iOS 27, currently in beta (Beta 4, build 24A5390f, July 2026) and expected GA in September 2026. The A13 chip in the iPhone 11 does not meet the A15 requirement for Apple Intelligence — so Writing Tools, Image Playground, and Genmoji are not available on this device in iOS 27. All other iOS 27 features are available. See iOS 27 Supported Devices & Compatibility for the full breakdown.

iPhone 11 vs iPhone 12 and iPhone 13 Firmware

All three generations currently run iOS 26 with identical build numbers, but their IPSW files are hardware-specific and not interchangeable. Related guides:

All iPhone 11 Firmware Downloads

FAQ

What is the latest iOS version for iPhone 11?

As of July 2026, the latest iOS version for iPhone 11 is iOS 26.6 (build 23G71). The iPhone 11 is still in active support and will receive iOS 27 when it releases publicly in September 2026.

What is the iPhone 11 model identifier?

iPhone 11 = iPhone12,1 · iPhone 11 Pro = iPhone12,3 · iPhone 11 Pro Max = iPhone12,5. You need the correct identifier to download the matching IPSW file.

Is iOS 26.5.2 still signed for iPhone 11?

As of July 2026, yes — iOS 26.5.2 (build 23F84) is still signed. Signing status changes when Apple releases updates; verify live status at IPSW.io before downloading.

Can I install iOS 26.5 on my iPhone 11?

No. iOS 26.5 (build 23F77) is unsigned as of July 2026. Apple has closed the signing window for that build. Only currently-signed builds can be installed via IPSW restore.

Does iPhone 11 support iOS 27?

Yes. iPhone 11 is compatible with iOS 27, expected GA in September 2026. Apple Intelligence features require an A15 chip — iPhone 11 has an A13 and will not receive those specific features.

How do I know which iPhone 11 model I have?

Go to Settings → General → About → Model Number. Tap to toggle between part number and model number, then cross-reference with the identifier table above.

What is the difference between iPhone 11 and iPhone 11 Pro firmware?

Both run the same iOS version and build number, but the IPSW file is hardware-specific. The iPhone12,1 IPSW will not install on an iPhone12,3 device, and vice versa.

Can I downgrade iPhone 11 to an earlier iOS version?

Only if that version is still signed by Apple. Earlier major versions (iOS 25 and below) are almost certainly unsigned. Check current signing status on IPSW.io before attempting any downgrade restore.