Convert iOS 7 Beta 2 DMG to IPSW

How To Convert iOS 7 Beta  2 DMG to IPSW

Method 1: DMGExtractor Tutorial

Method 2: 7-zip on Windows

The Windows customers will need to find 7-Zip program to convert a dmg file to ipsw format.

1. Launch 7-Zip.exe.
2. Select File and click Open.
3. Find out the DMG file of iOS 7 Beta and click to open it. You’ll see all kind of files in this archive.
4. Then Find the IPSW file within the DMG file and click to Extract.
5. Just point out the 7-Zip program to where you would like your IPSW file to be stored.

For some user feedback that iTunes prompts the iOS 7 firmware is not compatible & Activation error, which may be due to you not operate strictly accordance with the upgrade tutorial or downloaded a wrong firmware which not correspond with your device model. 

Make sure your iPhone is running the latest iOS 6.1.4 (Other devices on iOS 6.1.3) before upgrading Please click Update button on iTunes, if you click Restore, iTunes will prompt incompatible Please download the correct  iOS 7

#Update: Apple is likely to release the iOS 7 beta 4 soon. By then, b3 users can directly upgrade to iOS 7 beta 4 via OTA update panel, no need to download the full beta 4 firmware. Of course, we will promptly release iOS 7 beta 4 ipsw download links for non-developers on iOS 6.

#b4 will be delayed due Dev Center down.

# b4 now available for download.