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

IPHONE 11 PRO MAX 13.31 17D50

IPHONE11,2,IPHONE11,4,IPHONE11,6,IPHONE12,3,IPHONE12,5_13.3.1_17D50_RESTORE.IPSW
Categories:
13.31
Version:
4.71 GB
Size:
28th January 2020
Date:
Unsigned
Status:
The file can help you a lot ?