Download iOS 17.6.1 (21G93) for iPhone 15

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 iPhone15,4
iOS Version 17.6.1
Release Date 2024-08-07
Update Date 2024-08-04
Sha1sum
05d7607046385f02262f0d248b7d7d55aa19777e
Sha256sum
a69de3e083b839f74bd608a9cf8022a1c904c694b251c02869cae57786d3f3b1
md5sum
0cb3dc92f0c9bb673ea6ffa40d4fba2c
Size 7.53 GB
FileName
iPhone15,4_17.6.1_21G93_Restore.ipsw
Status

Download IPSW (7.53GB) Check device info
Release Notes

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

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Apple Podcasts

This update includes the following enhancements and bug fixes:

Some features may not be available for all regions or on all Apple devices. For information on the security content of Apple software updates, please visit this website:

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

IPSW File Download FAQ