iPhone 11 iPhone12,1

IPSW Unsigned 19F77

iOS 15.5

iOS

Version

15.5

Build ID

19F77

File Size

6.33 GB

Release Date

2022-05-16

Last Updated

2022-05-11

Download IPSW

Beta firmware? Download Here →

Want full hardware specs? View iPhone 11 specs →

About This Firmware

iOS 15.5 (build 19F77) is an official Apple IPSW for the iPhone 11, released on 2022-05-16. 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_15.5_19F77_Restore.ipsw

Checksums

SHA-256 2322ca73229d1d83cfbb4cfcc9c3edf08f79467a213980611de6816903727c5b

SHA-1 2af7f471e4fdaeb4fa298577405f771cf2e745d7

MD5 109c0fbb2c97ca5c62d5e9a0e246ce0c

Direct URL

https://updates.cdn-apple.com/2022SpringFCS/fullrestores/012-07345/309F9F32-FB32-468A-96EE-CB54C9A266DD/iPhone11,8,iPhone12,1_15.5_19F77_Restore.ipsw

Other Devices

iPhone 8 Plus (Global)

iPhone10,2

iPhone 4 (GSM / 2012)

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