iPhone 11 iPhone12,1

IPSW Unsigned 17F80

iOS 13.5.1

iOS

Version

13.5.1

Build ID

17F80

File Size

4.40 GB

Release Date

2020-06-01

Last Updated

2020-05-28

Download IPSW

Beta firmware? Download Here →

Want full hardware specs? View iPhone 11 specs →

About This Firmware

iOS 13.5.1 (build 17F80) is an official Apple IPSW for the iPhone 11, released on 2020-06-01. The file is served directly from Apple's CDN. This firmware is no longer signed by Apple. Standard downgrades are not possible, but the file remains available for reference and advanced use.

Verify the download using the SHA-256 or SHA-1 checksum listed in the Checksums section below.

Filename

iPhone11,8,iPhone12,1_13.5.1_17F80_Restore.ipsw

Checksums

SHA-256 6f1bef9a4dda96b95e145a90aa4400f00297361f74ca24ec30312ba2f5dbe075

SHA-1 6f6e4d336c0c34e82ed5b9139caa4a5905f5dec3

MD5 e361a1f87cf548d294614a247829cfcb

Direct URL

https://updates.cdn-apple.com/2020SpringFCS/fullrestores/001-09424/5B5CB4D4-A082-11EA-877A-87EDF1CFE6E8/iPhone11,8,iPhone12,1_13.5.1_17F80_Restore.ipsw

Other Devices

iPhone 7 Plus (Global)

How to Restore with This IPSW

iTunes / Finder

macOS & Windows

Download the .ipsw file to your computer.
Connect your iPhone 11 via USB.
Open iTunes (Windows / macOS Mojave and earlier) or Finder (macOS Catalina+) and select your device.
Update (keep data): hold Option (Mac) or Shift (Windows) and click Update, then pick the .ipsw file.
Restore (erase & install): hold Option / Shift and click Restore iPhone…, then pick the .ipsw file.
Wait for the process to finish - do not disconnect.

Restoring will erase all data on the device. Back up first.

3uTools

Windows

Download and install 3uTools from 3u.com.
Connect your iPhone 11 via USB and trust the computer on the device.
Go to Flash & JB → Easy Flash.
Click Import and select the downloaded .ipsw file.
Choose Flash mode: Update keeps data, Restore wipes the device.
Click Flash and wait for the progress bar to complete - do not disconnect.

Only flash firmware that matches your exact device model.

DFU Mode

Recovery tip

If your device is stuck in a boot loop or iTunes/Finder does not recognise it, enter DFU mode first, then select the .ipsw file as normal.

iPhone 8 / X and later

Quickly press & release Volume Up
Quickly press & release Volume Down
Hold Side button until screen goes black
Hold Side + Volume Down for 5 s
Release Side, hold Volume Down 5 more s
Black screen = DFU active

iPhone 7 / 7 Plus

Hold Sleep/Wake + Volume Down for 8 s
Release Sleep/Wake, keep holding Volume Down for 5 s
Black screen = DFU active

iPhone 6s and earlier

Hold Sleep/Wake + Home for 8 s
Release Sleep/Wake, keep holding Home for 5 s
Black screen = DFU active