LG MM-535 Owner's Manual page 25

Speed Dialing lets you call a phone number stored in your
Contacts directory using one touch dialing (page 25).
The Mini SD card lets you play back, store, and erase the pictures
or videos taken with your phone (pages 98 and 107). You can also
play back and store downloaded MP3 files.
Press and hold
Once your phone is on, it displays "Searching for Service" which
indicates that your phone is searching for a signal. When your phone
finds a signal, it automatically enters standby mode – the phone's idle
state. At this point, you are ready to begin making and receiving calls.
If your phone is unable to find a signal after 15 minutes of searching, a
Power Save feature is automatically activated. When a signal is found,
your phone automatically returns to standby mode.
In Power Save mode, your phone searches for a signal periodically
without your intervention. You can also initiate a search for
Sprint PCS Service by pressing any key (when your phone is turned
on).
Press and hold
down animation on the display screen.
Your screen remains blank while your phone is off (unless the battery
is charging).
for approximately two seconds.
for two seconds until you see the powering