This package provides the installation files for Apple iPhone 3Gs (iPhone 2,1) Firmware iOS 6.1.6. How to update / restore your iPhone/iPad/iPod using the downloaded IPSW file:
Download current and previous versions of Apple's iOS, iPadOS, watchOS, tvOS, audioOS and macOS firmware and receive notifications when new firmwares are released.
5) Open Cydia. 6) Click the "Changes" tab in the footer. 7) Press the "Refresh" button in the top left corner. 8) After "Reloading Data", perform a search for "p0sixspwn" (the O is a zero). 9) Tap Install.