3. Click on the desired firmware version to start the download Downloads Links for iPad Pro 11-inch (M4) iPad16,3 iPad16,4 VERSION RELEASE DATE RELEASE DATE SIZE SIZE STATUS iPadOS 17.5.1 (21F90) RELEASE DATE 20/05/2024 SIZE 8.11 GB Signed iPadOS 17.5 (21F84) RELEASE DATE 14/05/2024 SIZE 8.1 GB Unigned Old unsigned iOS versions will be added later.