iPadOS 9.9.12.4 (build 16G5027g) is an official Apple over-the-air update for the iPad Pro 12.9-inch (WiFi), released on 2019-05-15T17:05:20Z. The update package is 2.16 GB. This is a full OTA update that can be applied from any compatible base version. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: d8a1e8b273daa413647bed67f11e8a48559b2306.zip.