Acer N10 - Manual (Page 98)

7 U s i n g e x p a n s i o n f e a t u r e s
Using an SD/MMC card
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2 Release the card from the slot by using your thumb to push against the top of the
card, as if you were pushing it further into the slot (a). An audible system sound and a
click will signal that the card has been released.
3 Gently remove the card from the slot (b).