iOS 12.1.1 IPSW Download Links files hosted on Apple servers :
iPhone XS Max
iPhone XS
iPhone XR
iPhone X
iPhone 8
iPhone 8 Plus
iPhone 7
iPhone 7 Plus
iPhone 6s
iPhone 6s Plus
iPhone 6
iPhone 6 Plus
iPhone SE
iPhone 5S
iPad Pro 11-inch 2018 model
iPad Pro 12.9-inch 1st generation 2015 model
iPad Pro 12.9-inch 2nd generation 2017 model
iPad Pro 12.9-inch 3rd generation 2018 model
iPad Pro 10.5-inch 2017 model
iPad 9.7-inch 2018 model not pro
iPad 9.7-inch 2017 model not pro
iPad Pro 9.7‑inch 2016 model
iPad Air 2
iPad Air 1
Pad mini 4
iPad mini 3
iPad mini 2
iPod Touch 6th generation