Download iOS 14.4 (18D52) for iPhone 6s

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 iPhone8,1
iOS Version 14.4
Release Date 2021-01-26
Update Date 2024-06-03
Sha1sum
b2bc246798e036e1b119995a8a51a28518ead5d6
Sha256sum
7650f7f877068c9858762e0e7459175f9e151e2ad02d5256d4973b62b74e6d6d
md5sum
62cc61fd412bb2b52efcc80c66182832
Size 4.30 GB
FileName
iPhone_4.7_14.4_18D52_Restore.ipsw
Status

Download IPSW (4.30GB) Check device info
Release Notes

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

iOS 14.4 includes the following improvements for your iPhone:

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