LG E420 Guide De L'utilisateur page 355

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.
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