Following on from the previous tutorial which showed you how to get a developer certificate (to sign unsigned applications) quickly, is this guide which shows you how to sign it on the phone itself without the need of a computer.
This should especially be useful for people like me who own a Mac, for which there is no signing application, or for those who appreciate the convenience. I will be using a N97 to demonstrate the application, but the process remains exactly the same for any other 3rd Edition or 5th Edition device.
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