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

You will have to note that you can only restore signed IPSW firmware files using iTunes or 3utools.

❌ This IPSW firmware is not being Signed by Apple

Firmware Identifier iPhone11,4
iOS Version 12.4
Release Date 2019-07-22
Update Date 2024-06-03
Sha1sum
8c336cd95e638a208937566476dad50066a23fe4
Sha256sum
712b177fab519a2c1cb8f687b88c56ccc6f3a5fcece5be91c433eb6bda01b6f1
md5sum
81cd2962608505e5b73bd57825bf2b1d
Size 3.41 GB
FileName
iPhone11,4,iPhone11,6_12.4_16G77_Restore.ipsw
Status

Download IPSW (3.41GB) Check device info
Release Notes

It should be noted that these are the official release notes for the from Apple

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

Apple News

Other improvements and fixes

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