We haven’t tried this, but if you’re sick of having a logo on your cell phone, you can try to remove it with sugar. Warning: You might mess up your phone. That being said, go for it. They don’t own you! From Instructables:
The key is to scratch of the logo without leaving and marks on the surface of the phone (in my case PDA). Sugar works perfectly.
How to remove Logos from your PDA / cell phone with sugar [Instructables via BoingBoing]