iPhone iOS Firmware iPhone ipsw firmware download that provided by Apple, when you do the relevant operation at your own risk.

IPHONE 6S PLUS 11.2.2

IPHONE_5.5_11.2.2_15C202_RESTORE.IPSW
Categories:
11.2.2
Version:
2.61 GB
Size:
January 4, 2018
Date:
Unsigned
Status:
The file can help you a lot ?