Download iOS 15.1 (19B74) 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 15.1
Release Date 2021-10-25
Update Date 2024-06-03
Sha1sum
64a2c55fddc7e2cf6d5dac9c6c46c3c77f318508
Sha256sum
87e70faeaf16d31da64bc1d33901216c43ab7be32637b93544404d755375d0e9
md5sum
89636448c0bad64044c8a589b0f6ad90
Size 7.00 GB
FileName
iPhone11,2,iPhone11,4,iPhone11,6,iPhone12,3,iPhone12,5_15.1_19B74_Restore.ipsw
Status

Download IPSW (7.00GB) Check device info
Release Notes

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

SharePlay

Camera

Apple Wallet

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This release also fixes the following issues:

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

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