Download iOS 17.4.1 (21E236) for iPhone 11

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 iPhone12,1
iOS Version 17.4.1
Release Date 2024-03-21
Update Date 2024-03-17
Sha1sum
979622f0a543e83c5ce5714738bbe791619177a1
Sha256sum
9c9f61f7df613cdf085062515b7d893897bc80b4c7baa7e9255e29355d6e96e8
md5sum
7f4ad3a425c65a3b69c2aa355acae47d
Size 6.87 GB
FileName
iPhone12,1_17.4.1_21E236_Restore.ipsw
Status

Download IPSW (6.87GB) Check device info
Release Notes

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

This update provides important bug fixes and security updates and is recommended for all users.

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

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