Download iOS 13.4.1 (17E262) 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 13.4.1
Release Date 2020-04-07
Update Date 2020-04-03
Sha1sum
c2f288224595969b99dbfec769523a8ff407fd0d
Sha256sum
9d5e8d885f51dbd4f21361bb9b18aa94e520ceda860b77778d17ea874fdd6a4b
md5sum
2ab70a4477cc8767ccae6f7ed994037e
Size 3.50 GB
FileName
iPhone_4.7_13.4.1_17E262_Restore.ipsw
Status

Download IPSW (3.50GB) Check device info
Release Notes

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

iOS 13.4.1 includes bug fixes for your iPhone.

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