
138
Appendix
Symptom
Check item
Page
Cannot connect to Wi-Fi
®
Are you receiving signals from the access point?
u
P.103
Did you set the Wi-Fi
®
settings?
―
Cannot hear the ringtone
Is the volume set to 0?
u
P.121
Is the manner mode on?
u
P.121
Cannot charge the battery Is the charging equipment correctly connected?
u
P.90
u
P.93
u
P.95
Is the battery pack attached properly?
u
P.74
Is the charging connector on the desktop holder or
main unit, etc. soiled?
―
Cannot operate the keys/
touch panel
Is the power on?
u
P.96
Is the screen unlocked?
―
Is the sleep mode on?
u
P.98
A message that au Micro
IC Card is not inserted is
displayed
Is an au Micro IC Card (LTE) inserted?
u
P.78
Is a card other than an au Micro IC Card (LTE)
inserted?
u
P.79