Download iOS 9.0.1 (13A404) for iPhone 6+

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 iPhone7,1
iOS Version 9.0.1
Release Date 2015-09-23
Update Date 2015-09-19
Sha1sum
2f4cd04b511a16f43569a06cc6ce6345eb96c7da
Sha256sum
8ccf350a7061ee215edf4ccdb9ca0ff21b46ed9e6cb02f6e506c6535020e6395
md5sum
a5759843a8cb4571ecd93df6ae4ca148
Size 2.03 GB
FileName
iPhone7,1_9.0.1_13A404_Restore.ipsw
Status

Download IPSW (2.03GB) Check device info
Release Notes

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

This update contains bug fixes including:

For information on the security content of this update, please visit this website:

http://support.apple.com/kb/HT1222