iOS 13.4 (build 17E5255a) is an official Apple over-the-air update for the iPhone X (GSM), released on 2020-03-10T17:21:24Z. The update package is 108.77 MB. This is a delta (partial) update that requires 13.4 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: bdee24a1cbd45eb3015d18c85c5847a1479660eb.zip.