Download iOS 11.2.2 (15C202) for iPhone 7 (GSM)

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 iPhone9,3
iOS Version 11.2.2
Release Date 2018-01-08
Update Date 2018-01-03
Sha1sum
40f1375bb32821ec15b1f71edb60e0188e3de52c
Sha256sum
8e8ffc438886a89d90a9b52305e777e9bd9dc62bf0b00a6294c1e86c506014ea
md5sum
572a01f74c4a98dac98b11d4e1c24900
Size 2.61 GB
FileName
iPhone_4.7_P3_11.0_11.2.2_15C202_Restore.ipsw
Status

Download IPSW (2.61GB) Check device info
Release Notes

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

iOS 11.2.2 provides a security update 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