How to Generate a Unique Certificate for Your iPhone 3GS' iBSS (Windows)

Instructions on how to generate a unique certificate for your iPhone 3GS' iBSS using a Windows PC.

Apple has added a new layer of security to the iPhone 3GS called the ECID field. According to GeoHot when iTunes starts the restore process, they contact Apple servers to generate signatures just for your device. It's important you get these signatures for your phone before a new version of the software comes out.

Step One
Put your iPhone into recovery mode. If you do not know how to do this then you can follow this tutorial.

Step Two
Launch the USBView application. If you do not already have this application you can download it here. It is a small free utility provided by Microsoft.

Step Three
Click to select Config Discriptors from the Options menu.

Step Four
Click to select Refresh from the File Menu.

Step Five
Select the Apple Recovery (iBoot) device from the USB Device Tree in the left panel then Copy (highlight and press Control+c) your ECID from the Descriptor fields on the right.

Step Six
Open your web browser and navigate to Paste (control+v) the ECID into the field provided and press the Enter key.

Step Seven
The site will generate a file and ask you whether you would like to save or open it. Click to Save the file and store it in case you need it in the future.


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