User's Manual

70
Appendix
Troubleshooting
Beforeyouassumethatthisproductismalfunctioning,
checkthefollowing:
Symptom Checkitem Page
Cannotturnon
power.
Isthebuilt-inbatterycharged? P.44
Doyoupressandholdthe
powerkey?
P.46
Cannotchargethe
battery.
IstheACadaptersecurely
pluggedintoanoutlet?
P.44
Batteryusage
timeisshort.
Doyouusethisproductmore
intheplaceswithoutsignal
reception(outofservice)?
-
Isthebuilt-inbatteryrunningout? P.26
Cannotoperate
touchpanelas
intended.
Areyouoperatingwithgloved
hands?
P.48
Makesureyouarenotoperating
withyourfingertiporthereisno
foreignobjectinthemiddleofthe
panel.
P.48
Cannotoperate
thekeys/touch
panel.
Isthescreenlockset? -
Turnoffthepowerandturniton
again.
P.46
Screenresponse
isslowwhenyou
taponthescreen/
pressthekeys.
Screenresponsemayslowdown
whenalargeamountofdatais
storedinthisproductorbeing
transmittedbetweenproductand
amicroSDmemorycard.
-
"NoSIMcard"is
displayed.
IsanauNanoICCard(LTE)
inserted?
P.42
Symptom Checkitem Page
Cannotmake
calls.
IsanauNanoICCard(LTE)
inserted?
P.42
Didyouenterthewrongphone
number?
(Didyouenterthephonenumber
startingwithanareacode?)
P.60
Is"Airplanemode"set? P.66
Is"Networkmode"wrong? -
Cannotreceive
calls.
Isreceptiongoodenough? P.53
Areyououtofservicearea? P.53
Is"Airplanemode"set? P.66
Is"Networkmode"wrong? -
IsCallforwardingserviceset? P.66
Displayisdark. Is"Brightness"settodark? P.67
Cannothearthe
otherparty.
Istheearpiecevolumetoolow? P.60
Doyoubringearpiececloseto
yourear?Puttheearpiececlose
toyourearhold.
P.39
CannotuseNFC/
Osaifu-Keitai
®
.
Hasthebatteryrunout? P.44
Is"NFC/Osaifu-Keitailock"set? -
Doyouholdthisproductsothat
the
markareaisplacedover
thereader?
P.39
Cannotrecognize
amicroSD
memorycard.
IsamicroSDmemorycard
insertedproperly?
P.64
IsthemicroSDmemorycard
unmounted?
P.65
Ifthesymptomdoesnotimproveaftercheckingtheabove
items,contactthebelowauwebsiteoraucustomer
support.
http://www.au.kddi.com/support/mobile/trouble/repair