User's Manual

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2
D006791_CR49XX_User_Manual
FPO
18‐Troubleshooting
UserManualGuide
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Pleasenoteyourdeviceisdesignedwitharemovablebattery.
Unauthorizedpersonnelarestrictlyprohibitedfromdisassemblingthe
device.
Ifyourdeviceisn’tworkingnormally,trytorestartitbypressingand
holdingthePowerkeyforatleast7secondsuntilthestartupscreen
appears.
Ifyourdevicedevelops
aseriouserrorandcan’tberestoredbyrestartingit,
youmayneedtorestorefactorysettingsbypressingandholdingthePower
keyandVolumeupkeyuntilthestartupscreenappears.Thenselect“reboot
systemnow”andpressthePowerkeytoconfirm.
Note:Pleasetakecarewhenperforming
suchoperationsbecausetheywill
erasepersonalizedsettingsanddatasavedinyourdevice,suchasSMS,
Contacts,Music,etc.
Makesureyouareusinga5V2AUSBPowerAdapter.Werecommendtheuse
oftheCodeCorporationpowersupply.
ProtectYourHearing
Topreventpossiblehearingdamage,do
notlistenathigh
volumelevelsforlongperiods.Exercisecautionwhenholding 
yourdevicenearyourearwhiletheloudspeakerisinuse.
Beforecontactingtheservicecentre,youareadvisedtofollowtheinstructions
below:
• Youareadvisedtofullychargethebatteryforoptimaloperation.
• Avoidstoringlargeamountsofdatainyourdeviceasthismayaffectits
performance.
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• UseFactorydataresetandtheupgradetooltoperformdeviceformattingor
softwareupgrading(toresetfactorydata,holddownthePowerkeyandthe
Volumeupkeyatthesametime).ALLUserdevicedata:contacts,photos,
messages,files,anddownloadedapplicationswillbepermanentlylost.Itis
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stronglyadvisedtofullybackupthedevicedataandprofileviaSmartSuitebefore
doingformattingorupgrading.
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andcarryoutthefollowingchecks:
Mydevicecannotbeswitchedonorisfrozen:
• Whenthedevicecannotbeswitchedon,chargeforatleast20minutestoensure
theminimumbatterypowerneeded,thentrytoswitchonagain.
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• Whenthedevicefallsintoaloopduringpoweron‐offanimationandtheuser
interfacecannotbeaccessed,pressandholdtheVolumedownkeytoenterSafe
Mode.ThiseliminatesanyabnormalOSbootingissuescausedby3rdpartyAPKs.
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• Ifneithermethodiseffective,pleaseresetthedeviceusingthePowerkeyandthe
Volumeupkey,(holdingbothtogether).
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Mydevicehasnotrespondedforseveralminutes:
• RestartyourdevicebypressingandholdingthePowerkeyformorethan7s.My
deviceturnsoffbyitself:
• Checkthatyourscreenislockedwhenyouarenotusingyourdevice,andmake
surethePowerkeyisnotmis‐contactedduetounlo ckedscreen.
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• Checkthebatterychargelevel.
Mydevicecannotchargeproperly:
• Makesureyouareusingauniversalchargerwhichcomplieswiththese
characteristics:USBType‐Cconnector,5V,min2Aoutput.
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• Makesurethatyourbatteryisnotcompletelydischarged;ifthebatterypoweris
emptyforalongtime,itmaytakearound20minutestodisplaythebattery
chargerindicatoronthescreen.
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• Makesurechargingiscarriedoutundernormalconditions(0°Cto+40°C).
• Whenabroad,checkthatthevoltageinputiscompatible.
Mydevicecannotconnecttoanetwork:
• Tryconnectinginanotherlocation.
• Tryselectingtheavailablenetwork(s)manually.
• Tryconnectingatalatertimeifthenetworkisoverloaded.
MydevicecannotconnecttotheInternet:
• CheckthattheIMEInumber(press*#06#)isthesameastheoneprintedonyour
warrantycardorbox.
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• Checkyourdevice’sInternetconnectingsettings.
• Makesureyouareinaplacewithnetworkcoverage.
• Tryconnectingatalatertimeoranotherlocation.
Thesoundqualityofthecallsispoor:
• YoucanadjustthevolumeduringacallbypressingtheVolumeUp/Downkey.
• Checkthenetworkstrength.
• Makesurethatthereceiver,connectororspeakeronyourdeviceisclean.
WhenIselectanumberfrommycontacts,thenumbercannotbedialed:
• Makesurethatyouhavecorrectlyrecordedthenumberinyourfile.
• Makesurethatyouhaveselectedthecountryprefixwhencallingaforeign
country.
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Iamunabletoconnectmydevicetomycomputer:
• I nstallSmartSuite.
• CheckthatyourUSBdriverisinstalledproperly.
• OpentheNotificationpaneltocheckiftheSmartSuiteAgenthasactivated.
• CheckthatyourcomputermeetstherequirementsforSmartSuiteInstallation.
• Makesurethatyou’reusingthecableincludedinthebox.
Iamunabletodownloadnewfiles:
• Makesurethereissufficientdevicememoryforyourdownload.
• SelectthemicroSDcardasthelocationtostoredownloadedfiles.
• Checkyoursubscriptionstatuswithyouroperator.
ThedevicecannotbedetectedbyothersviaBluetooth:
• MakesurethatBluetoothisturnedonandyourdeviceisvisibletootherusers.
• MakesurethatthetwodevicesarewithinBluetooth’sdetectionrange.
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Howtomakeyourbatterylastlonger:
• Makesureyoufollowthecompletechargetime(minimum4hours).
• Afterapartialcharge,thebatterylevelindicatormaynotbeexact.Waitforat
least20minutesafterremovingthechargertoobtainanexactindication.
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• Adjustthebrightnessofscreenasappropriate.
• Extendtheemailauto‐checkintervalforaslongaspossible.
• Updatenewsandweatherinformationonmanualdemand,orincreasetheirauto‐
checkinterval.
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• Exitbackground‐runningapplicationsiftheyarenotbeingusedforalongtime.
• DeactivateBluetooth,WLAN,orGPSwhennotinuse.
Thedevicewillbecomewarmfollowingprolongedcalls,gameplaying,
internetsurfingorrunningothercomplexapplications:
• ThisheatingisanormalconsequenceoftheCPUhandlingexcessivedata.Ending
aboveactionswillmakeyourdevicereturntonormaltemperatures.
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