asus fonepad

Does any one know how to remove the back cover (top part) of asus fonepad for inserting sim? I tried pushing the cover upwards and it did not work and i do not want to apply more pressure which may lead to possible damage to the device.

I just bought a Asus fonepad and i am new to andriod os. Is there a video or website which could give me in detail tutorial of how to use asus fonepad as a beginner? I am not able to change the orientation of screen like when i keep the tab in horizontal then it switch to landscape mode and i do...