3. Click on the desired firmware version to start the download Downloads Links for iPad Pro 4 12.9-inch (Cellular/WiFi) iPad8,11 iPad8,12 VERSION RELEASE DATE RELEASE DATE SIZE SIZE STATUS iPadOS 17.5.1 (21F90) RELEASE DATE 20/05/2024 SIZE 7.88 GB Signed iPadOS 17.5 (21F79) RELEASE DATE 13/05/2024 SIZE 7.88 GB Unigned Old unsigned iOS versions will be added later.