Download iOS 14.4.2 (18D70) 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 14.4.2
Release Date 2021-03-26
Update Date 2021-03-23
Sha1sum
1b8ebfa0e0d72e0f6bfd5d96deff04b0ee0b26bd
Sha256sum
85f3f20efcdebddcfa7f7aeea5c2892c7d0aa39a5a75f4465d6dbe13564f4a47
md5sum
888f5c5fbcffe892469ef00bab70f318
Size 4.30 GB
FileName
iPhone_4.7_14.4.2_18D70_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

This update provides important 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