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

IPHONE 6S PLUS 11.2.5

IPHONE_5.5_11.2.5_15D60_RESTORE.IPSW
Categories:
11.2.5
Version:
2.62 GB
Size:
January 19, 2018
Date:
Unsigned
Status:
The file can help you a lot ?