Samsung M510 - Manual (Page 64)

34 Section 2A: Phone Basics
2. Orient the microSD’s contact gold contact pins upward
(see illustration on previous page).
3. Carefully insert the microSD card into the opening and
firmly push it in until you hear a click that indicates the
card is securely installed.
4. With the card now securely installed, replace the plastic
cover over the microSD slot on the phone.
Note: To remove the card, firmly push the end of the card further
into the phone and release—the card should pop out from
the memory card slot. If this does not work, repeat this
process again.