The ota tool is a simple command-line utility to extract the file system image from an iOS over-the-air (OTA) update file. Example usage:
$ ota 5dbe0f2561d6e651abd0c46815be5aa8ef61d163.zip ./outputDir
Links to various update images for the iPhone can be found on the iPhone Wiki. Credits to Jonathan Levin for his article on OTA updates, from which portions of this code is based off of.
This project is available under the Apache 2.0 license. See LICENSE for details.