
139
Appendix
Symptom
Check item
Page
A message to ask you to
charge your phone, etc.
appears and a warning
tone sounds
The battery is almost dead.
u
P.87
Battery usage time is
short
Is the battery pack at the end of its life?
u
P.28
Do you often use the product in places with poor
reception?
u
P.103
Settings that use Wi-Fi
®
, 3G/LTE data
communication, GPS function, Bluetooth
®
, automatic
synchronization, etc. will consume battery. Making
sure to turn off functions not in use will save battery.
Functions can be switched on/off using the Quick
settings icons.
u
P.103
Shutting down applications not in use will save
battery.
u
P.122
If the times until the screen brightness darkens and
screen timeout are set to be shortened, battery
consumption is suppressed.
u
P.121