iPadOS 11.4.1 (build 15G77) is an official Apple over-the-air update for the iPad 5 (WiFi), released on 2018-07-09T17:08:03Z. The update package is 1.26 GB. This is a delta (partial) update that requires 10.3.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: dc350595fedc343b1a2e93a6e3c012a49f7df536.zip.