LG G2x P999 User Manual page 23

Removing a memory card
Carefully remove the memory card by gently pushing it
into the phone to release it. Then gently pull it out of the
microSD card slot.
WARNING
Do not insert or remove the memory card when the
phone is on. Otherwise, you may damage the memory
card as well as your phone and the data stored on the
memory card may be corrupted.
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