About This Firmware
iOS 15.4
(build 19E241) is an official Apple IPSW
for the iPhone XS Max (China),
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 checksums below.
Filename
iPhone11,2,iPhone11,4,iPhone11,6,iPhone12,3,iPhone12,5_15.4_19E241_Restore.ipsw
Checksums
SHA-256
792a4cef30f92c7a6e1086ed072898f624206739cdacb71e6e217a2a1d33a50a
SHA-1
70a782eace266e6564cfea5d4b78d6a1b3f923de
MD5
61f49a28a01d85a3d2838aeca3cc017e
Direct URL
https://updates.cdn-apple.com/2022FCSWinter/fullrestores/071-09912/70903831-EF2A-453E-8105-A78B6491E5A8/iPhone11,2,iPhone11,4,iPhone11,6,iPhone12,3,iPhone12,5_15.4_19E241_Restore.ipsw
Other Devices
iPhone X (GSM)
iPhone10,6
iPhone SE
iPhone8,4
iPhone 7 Plus (Global)
iPhone9,2
iPhone 8 Plus (Global)
iPhone10,2
iPhone 11
iPhone12,1
iPhone 5s (Global)
iPhone6,2
How to Restore with This IPSW
iTunes / Finder
macOS & Windows- Download the .ipsw file to your computer.
- Connect your iPhone XS Max (China) 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 XS Max (China) 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 tipIf 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