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

iPad Pro 3rd generation (12.9-inch)

iPad Pro 2nd generation (12.9-inch)

iPad Pro (12.9-inch)

iPad Pro (11-inch)

iPad Pro (10.5-inch)

iPad Pro (9.7-inch)

iPad Mini 5th generation

iPad Air 3rd generation (10.5-inch)

iPad 6th generation 9.7 (2018)