iPhone 6s+ iPhone8,2

IPSW Unsigned 19E241

iOS 15.4

iOS

Version

15.4

Build ID

19E241

File Size

5.04 GB

Release Date

2022-03-14

Last Updated

2022-03-01

Download IPSW

Beta firmware? Download Here →

Want full hardware specs? View iPhone 6s+ specs →

About This Firmware

iOS 15.4 (build 19E241) is an official Apple IPSW for the iPhone 6s+, released on 2022-03-14. 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

iPhone_5.5_15.4_19E241_Restore.ipsw

Checksums

SHA-256 524094023680d4ba8c383cc34d64920603f92606469d328c985ed02e30e9873a

SHA-1 5b9923186b1e547fae377965a9100443e3d2b93f

MD5 a5d84c4083206b8a2c688a84b1fbad6f

Direct URL

https://updates.cdn-apple.com/2022FCSWinter/fullrestores/071-09725/F58608CE-2979-4A4C-B167-CF55FC5D880F/iPhone_5.5_15.4_19E241_Restore.ipsw

Other Devices

iPhone 4 (GSM)

iPhone3,1

iPhone XS Max (China)

iPhone 7 Plus (Global)

iPhone9,2

iPhone Air

iPhone18,4

How to Restore with This IPSW

iTunes / Finder

macOS & Windows

Download the .ipsw file to your computer.
Connect your iPhone 6s+ 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 6s+ 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