Download iOS 13.1.2 (17A861) 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 13.1.2
Release Date 2019-09-30
Update Date 2019-09-28
Sha1sum
3b75a132ea4595a240f7b8074f967171ba9171be
Sha256sum
91b7cd16fe215d37dbc384b2ebf15269a8da6625b6481d959ad82ae12576561a
md5sum
292dfbd9cc6dc24117bbf1927acb0b3b
Size 4.11 GB
FileName
iPhone11,2,iPhone11,4,iPhone11,6_13.1.2_17A861_Restore.ipsw
Status

Download IPSW (4.11GB) Check device info
Release Notes

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

iOS 13.1.2 includes bug fixes and improvements for your iPhone. This update:

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/kb/HT201222