How to Open or Extract iOS 7 Beta IPSW from DMG Firmware File on Windows

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If you run Windows and can’t restore iOS 7 beta with DMG file you downloaded, try this easy fix.

Wow, although iOS 7 isn’t officially released, there are already thousands of people (excluding developers) testing the iOS 7 beta.

If you have a PC, you may bump into a problem when trying to restore or install iOS 7 after downloading the iOS 7 beta firmware and registering your UDID.

Editor's note: learn more by reading our ebook on starting your own iPhone repair & unlock business

DMG files are native on Mac OS. These archived or zipped files are commonly used to hold OS X programs. Opening DMG files on a Mac system is easy: just double click the file to mount it and that will reveal its contents.

However, on Windows, users cannot open DMG files by default. If you need to restore an iOS 7 Beta file, you need to extract the .IPSW file contained within the DMG file.

How to Extract iOS 7 beta IPSW from DMG File

  1. Download and install 7-Zip which is a free open source program for Windows capable of opening almost any archived file including DMG files.
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Just 4 steps to get you going! You still can test drive iOS 7 if you haven’t done so by registering your device’s UDID.

I’m certainly looking forward to the official release of iOS 7 this fall!

Comments & Discussion

  1. it works. the ipsw is in the hfs. you must extract the hfs. But now i have the ios7 on my device but i cant activate the phone. a little information tells mee that i`m not a reg. devlopper………. damn , and now ?




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