LG -E425 Service Manual page 164

11. HIDDEN MENU
Vibrator Test
Touch the "Start" button
Touch Drawing Test
Draw a guide line
Motion Sensor Test
Check 3 positions
-> Position side
-> Position horizontally
-> Position Vertically
LGE Internal Use Only - 164 - Copyright © 2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes