iOS 13.5.5 (build 17G5035d) is an official Apple over-the-air update for the iPhone 7 (GSM), released on 2020-06-01T18:09:30Z. The update package is 237.66 MB. This is a delta (partial) update that requires 13.5 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: 9b8cabdefa5d762c41f81f4e05fd231a23f8b5a3.zip.