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

iPhone 5s

iPhone 5s Type and Models :
  • iPhone 6,2
    • A1530
    • A1528
    • A1518
    • A1457
  • iPhone 6,1
    • A1533
    • A1453

The signed firmware that you can restore the file by MFC Software or by iTunes.