Download and Install iOS 12.4 (16G77) for iPhone XS Max (China) / IPSW Downloads

iOS 12.4 (16G77) for iPhone XS Max (China)

✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.

Your download should begin shortly. If it does not, you can download it directly here:

Download (3.4 GiB)

This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore. The instructions below are included for reference only.

Windows

Install the latest version of Apple Devices from the Microsoft Store.
Plug your iPhone XS Max (China) in to your PC.
Open Apple Devices, and navigate to your iPhone XS Max (China).
Hold the Shift key on your keyboard, and press "Restore".
Select the iPhone11,4,iPhone11,6_12.4_16G77_Restore.ipsw file that you downloaded.
Wait for the restore to complete, and the iPhone XS Max (China) to reboot.

macOS

Plug your iPhone XS Max (China) in to your Mac.
Navigate to your iPhone XS Max (China) in Finder.
Hold the Option or Alt key on your keyboard, and press "Restore".
Select the iPhone11,4,iPhone11,6_12.4_16G77_Restore.ipsw file that you downloaded.
Wait for the restore to complete, and the iPhone XS Max (China) to reboot.

Linux

Install idevicerestore.
Plug your iPhone XS Max (China) in to your PC.
Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
To perform a full erase restore, type idevicerestore -e iPhone11,4,iPhone11,6_12.4_16G77_Restore.ipsw and press enter.
Wait for the restore to complete, and the iPhone XS Max (China) to reboot.

Windows

Open PowerShell, and navigate to the IPSW file that you downloaded, e.g. cd Downloads
Type Get-FileHash iPhone11,4,iPhone11,6_12.4_16G77_Restore.ipsw -Algorithm SHA1
The output of the command should match the following checksum: 8c336cd95e638a208937566476dad50066a23fe4. If it doesn't, you may need to redownload the file.

macOS

Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
Type openssl sha1 iPhone11,4,iPhone11,6_12.4_16G77_Restore.ipsw
The output of the command should match the following checksum: 8c336cd95e638a208937566476dad50066a23fe4. If it doesn't, you may need to redownload the file.

Linux

Open a terminal, and navigate to the IPSW file that you downloaded, e.g. cd ~/Downloads
Type openssl sha1 iPhone11,4,iPhone11,6_12.4_16G77_Restore.ipsw
The output of the command should match the following checksum: 8c336cd95e638a208937566476dad50066a23fe4. If it doesn't, you may need to redownload the file.

Checksums

SHA256sum	`712b177fab519a2c1cb8f687b88c56ccc6f3a5fcece5be91c433eb6bda01b6f1`
MD5sum	`712b177fab519a2c1cb8f687b88c56ccc6f3a5fcece5be91c433eb6bda01b6f1`
SHA1sum	`8c336cd95e638a208937566476dad50066a23fe4`

Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 12.4 introduces iPhone migration to directly transfer data from an old iPhone to a new iPhone, includes enhancements to Apple News+ and improves the security of your iPhone or iPad. This update:

iPhone migration

Introduces the ability to wirelessly transfer data and migrate directly from an old iPhone to a new iPhone during setup

Apple News

Makes downloaded issues accessible in the My Magazines section, both online and offline
Adds all publications in Apple News+, including newspapers, to the catalog at the top of the News+ feed
Adds the ability to clear downloaded magazine issues by selecting History > Clear > Clear All

Other improvements and fixes

Includes a security fix for the Walkie-Talkie app on Apple Watch and re-enables Walkie-Talkie functionality

This release also includes support for HomePod in Japan and Taiwan.

For information on the security content of Apple software updates, please visit this website: https://support.apple.com/kb/HT201222