LG -P714 Guide De L'utilisateur page 218

Getting to know your phone
NOTE: The LG-P714 supports memory cards up to 32 GB.
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 get corrupted.
To format 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 your memory card are deleted when it is formatted.
1 On the home screen, touch
2 Scroll and touch Settings > Storage.
3 Touch Unmount SD card and touch OK to confirm it.
4 Touch Erase SD card > Erase SD card > Erase everything, then confirm
your choice.
5 If you have set a pattern lock, input the pattern lock then select Erase
everything.
14
> Apps tab to open the menu.