Samsung SM-R210 User Manual page 12

Basics
1
Pull out the memory card tray gently from the memory card tray slot.
Be careful not to damage your fingernails when you remove the memory card tray.
2
Gently press the memory card into the memory card tray with the gold-coloured
contacts properly aligned with the Gear 360's contacts.
3
Insert the memory card tray back into the memory card tray slot.
Memory card tray
Memory card tray slot
Memory card
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