LG LG Optimus Pro Owner's Manual

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Close the back cover. 
3  
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.
Formatting the memory 
card
Your memory card may already 
be formatted. If it isn’t, you must 
format it before you can use it.
NOTE: All files on the card are deleted 
when you format the card.
On the home screen, touch 
1  
the 
Applications tab to open 
the Applications menu.
Scroll to and touch 
2  
Settings 
>
 Storage, then select Mass 
Storage Only
Unmount the SD card.
3  
If you set a pattern lock, input 
4  
the pattern lock, then select 
Erase SD card. The card is 
then formatted and ready 
to use.
NOTE: If there is content on 
your memory card, the folder 
structure may be different after 
formatting since all the files will 
have been deleted.
Getting to know your phone