Download iOS 17.6 (21G80) 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
Release Date 2024-07-29
Update Date 2024-07-23
Sha1sum
f5c216fb5479e8974bba613163045593aa64e242
Sha256sum
ff7d739abf2a8fc169891ec7474b6d0b4a5c8dca21677f89179e3aa26188877e
md5sum
6b4612e6480bc0083843138e292fe33b
Size 7.53 GB
FileName
iPhone15,4_17.6_21G80_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