Direct signed and unsigned iPadOS IPSW firmware download links, restore files, release metadata, downgrade status and build information for iPad (3rd generation) running iPadOS 9.1.
Build Number: 13B143
Release Date: 2015-10-21T16:54:28Z
Download IPSW FileiPadOS 9.1 build 13B143 is a firmware package available for the iPad (3rd generation) and is currently unsigned by Apple at the time of indexing. This IPSW restore file can be used for firmware verification, software restoration reference, signing status tracking and historical iPadOS build research.
Each IPSW package published for iPad (3rd generation) contains Apple’s full operating system restore image, allowing users and researchers to identify signing windows, firmware branch transitions, build migrations and public software release chronology.
Black Apple World tracks signed and unsigned firmware states, build numbers, release metadata and direct IPSW file locations across all major iPad generations in one continuously updated firmware database.
The current signing state for this firmware is marked as CURRENTLY UNSIGNED. Signed firmware means Apple servers may still authorize restore validation for this build, while unsigned firmware generally indicates the signing window has closed after newer iPadOS releases became primary deployment targets.
Users commonly search for direct IPSW downloads to verify firmware authenticity, study historical iPadOS release progression, reference signed firmware availability, compare build transitions and maintain an archive of official Apple restore files.
No. Apple is no longer signing this firmware build.
The build number for this firmware release is 13B143.
Yes. A direct Apple-hosted IPSW firmware link is available on this page.