LG LF21G6200S Owner's Manual page 37

3
Press and hold the Freezer button for three
seconds while continuing to hold your phone
to the speaker.
4
After you hear three beeps, release the
Freezer button.
5
Keep the phone in place until the tone
transmission has finished. The display will
count down the time. Once the countdown is
over and the tones have stopped, the
diagnosis will be displayed in the application.
NOTE
• For best results, do not move the phone while
the tones are being transmitted.
SMART FUNCTIONS 37