The iPhone XS (and the Xs max) have the biggest sized ipsw images, why? The screenshots show the ipsw image size of an iPhone XS vs a 13 Pro Max. : r/iPhoneXS
How to Install iOS 11 Manually with IPSW Firmware and iTunes | OSXDaily
IPSW-Download: Alte iOS-Versionen fürs iPhone-Downgrade » Sir Apfelot
iOS 14.3 And iPadOS 14.3 Released, Download IPSW Here - iOS Hacker