LG D685 Guia Del Usuario página 150

Getting to know your phone
To safely remove the memory card:
> Apps tab > Settings > Storage from the DEVICE > Unmount
Touch
SD card > OK.
NOTE:
Use only compatible memory cards with your phone. Using incompatible
memory cards may damage the card and data stored on the card, as well as the
phone.
As the device uses FAT32, the maximum size for any given file is 4 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 become corrupt.
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.
18