How to Unroot an HTC Magic or T-Mobile MyTouch 3G Google Android smartphone

Have rooter's remorse? Want to restore and reset your HTC Magic or T-Mobile MyTouch 3G's factory firmware and put your cell phone back as it was? Here's how you do it!

Whether you'd like to unroot your HTC Magic or T-Mobile MyTouch 3G Google Android mobile phone or just want to learn how it's done, you're sure to be well served by this two-minute hacker's how-to.