Last Updated: Nov 15, 2013
Answers to some of your questions about Samsung M400 screen and charging port care
How should I clean the screen?
Apply a small amount of screen cleaning agent to a lint-free cloth and lightly wipe the screen.
Note: Use only a lint-free cloth - as other materials may scratch the screen. Also, use only a screen cleaning agent. Other substances may cause damage.
What can I do to protect the screen?
Here's how to protect your screen:
What can I do to protect the charging port?