1

How to remove N8 phone program. How to remove c2mcore.
not uninstall the application list

2

Open the built-in Application Manager, in the app list you'll see c2mcore, long press it and remove it.

3

does not appear in the application manager c2mcore. Just seems c2msetting.
I also typed in the User guide. However, I asked you to not see.

4

When you press the physical Application key on your phone, you enter into the Application list. You'll see C2MSetting here.
When you click the built-in Settings, you'll find the Application Manager, click it, you'll see both C2MSetting and C2MCore. Long press C2MCore and click Remove to uninstall it.