LG Optimus One User Manual page 17

During this time, you can't access the microSD card
from your phone, so you can't use applications that
rely on the microSD card, such as Camera, Gallery
and Music.
To disconnect your phone from the computer,
carefully follow your computer's instructions to
disconnect USB devices correctly, to avoid losing
information on the card.
1. Open the Notifications panel and touch Turn off
USB storage.
Touch Turn off USB storage once more.
2.
3.
Safely disconnect the USB device on your
computer.
11. Hold the phone straight up
Please hold the mobile phone straight up as a
regular phone.
While making/receiving calls or sending/receiving
data, try to avoid holding the lower part of the
phone where the antenna is located. It may affect
call quality.
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