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

IPHONE 5S 11.2

IPHONE_4.0_64BIT_11.2_15C114_RESTORE.IPSW
Categories:
11.2
Version:
2.43 GB
Size:
December 1, 2017
Date:
Unsigned
Status:
The file can help you a lot ?