Below is the official download link for iOS 13.5 and iPad OS 13.5.
iOS 13.5 Final IPSW:
iPhone 11 Pro Max iOS 13.5 (17F75) Download
iPhone 11 Pro iOS 13.5 (17F75) Download
iPhone 11 iOS 13.5 (17F75) Download
iPhone SE 2020 iOS 13.5 (17F75) Download
iPhone XS Max iOS 13.5 (17F75) Download
iPhone XS iOS 13.5 (17F75) Download
iPhone XR iOS 13.5 (17F75) Download
iPhone X iOS 13.5 (17F75) Download
iPhone 8 iOS 13.5 (17F75) Download
iPhone 8 Plus iOS 13.5 (17F75) Download
iPhone 7 iOS 13.5 (17F75) Download
iPhone 7 Plus iOS 13.5 (17F75) Download
iPhone SE iOS 13.5 (17F75) Download
iPhone 6s iOS 13.5 (17F75) Download
iPhone 6s Plus iOS 13.5 (17F75) Download
*iPod Touch 7th Gen iOS 13.5 (17F75) Download
*Apple TV 4 (2015) Download
iPadOS 13.5 Final IPSW:
iPad Pro 11″ 2020 13.5 (17F75) Download
iPad Pro 11″ 4G (17F75) Download
iPad Pro 11″ WiFi (17F75) Download
iPad Pro 9.7″ (17F75) Download
iPad Pro 12.9″ WiFi (17F75) Download
iPad Pro 12.9″ 4G (17F75) Download
iPad Pro 10.5″ 4G (17F75) Download
iPad Pro 10.5″ Wifi (17F75) Download
iPad Air 2 WiFi (17F75) Download
iPad Air 2 4G (17F75) Download
iPad Air 3 Wifi (17F75) Download
iPad Air 3 4G (17F75) Download
iPad 5/Wifi (17F75) Download
iPad 5/4G (17F75) Download
iPad 6/4G (17F75) Download
iPad 6/WiFi (17F75) Download
iPad 7/Wifi (17F75) Download
iPad 7/4G (17F75) Download
iPad Mini 4 4G (17F75) Download
iPad Mini 4 Wifi (17F75) Download
iPad Mini 5 4G (17F75) Download
iPad Mini 5 Wifi (17F75) Download