3. Click on the desired firmware version to start the download Downloads Links for iPad Air (WiFi/Cellular/China) iPad4,1 iPad4,2 iPad4,3 VERSION RELEASE DATE RELEASE DATE SIZE SIZE STATUS iOS 12.5.7 (16H81) RELEASE DATE 23/01/2023 SIZE 2.96 GB Signed iOS 12.5.6 (16H71) RELEASE DATE 31/08/2022 SIZE 2.96 GB Unigned Old unsigned iOS versions will be added later.