LG E400 User Manual page 200

Getting to know your phone
2
Insert the memory card into the slot.
Make sure the gold contact area is facing
downwards.
38
Removing a memory card
Carefully remove the memory card out of
the slot.
WARNING
Do not insert or remove the memory
card when the phone is on. Doing so
may damage the memory card as well
as your phone, and the data stored on
the memory card may be corrupted.