iOS/iPadOS/tvOS 4.1 IPSW Firmware

It should be noted that only signed versions of the IPSW files below can be restored using iTunes or 3utools. IPSW, iPhone Software, is a file format used to install iOS, iPadOS, tvOS, HomePod, and most recently, macOS firmware for devices equipped with Apple silicon.

Signed Firmware Versions

Device	Release Date	Version	Link
iPod touch 3	January 1, 1970	iOS 4.1 (8B117)	Download (0.36 GB)
iPhone 3G[S]	January 1, 1970	iOS 4.1 (8B117)	Download (0.37 GB)
iPod touch 2G	January 1, 1970	iOS 4.1 (8B117)	Download (0.32 GB)
iPhone 3G	January 1, 1970	iOS 4.1 (8B117)	Download (0.30 GB)

Unsigned Firmware Versions

Device	Release Date	Version	Link
Apple TV 2G	January 1, 1970	tvOS 4.1 (8M89)	Download (0.24 GB)
iPod touch 4	January 1, 1970	iOS 4.1 (8B118)	Download (0.57 GB)
iPhone 4 (GSM)	January 1, 1970	iOS 4.1 (8B117)	Download (0.58 GB)
iPod touch 4	January 1, 1970	iOS 4.1 (8B117)	Download (0.57 GB)