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.
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.