User's Manual

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Callsarenotconnected
• Ensurethatyouhaveaccessedtherightcellularnetwork.
• Ensurethatyouhavenotsetcallbarringforthephonenumberyouare
dialing.
• Ensure that you have not set call barring for the incoming phone
number.Otherscannothearyouspeakingonacall
• Ensurethatyouarenotcoveringthebuilt‐inmicrophone.
• Ensurethatthemicrophoneisclosetoyourmouth.
• Ifusingaheadset,ensurethatitisproperlyconnected.
SoundechoesduringacallAdjustthevolumebypressingtheVolumekey
ormovetoanotherar ea. 
AcellularnetworkortheInternetisoftendisconnectedoraudioquality
ispoor
• Ensurethatyouarenotblockingthedevice’sinternalantenna.
• When you are in areas with weak signals or poor reception, you may
losereception.Youmayhaveconnectivityproblemsduetoissueswith
theserviceprovider’sbasestation.Movetoanotherareaandtryagain.
• Whenusingthedevicewhilemoving,wirelessnetworkservicesmaybe
disabledduetoissueswiththeservicepro vider’snetwork.Thebattery
iconisemptyYourbatteryislow.Chargethebattery.
Thebatterydoesnotchargeproperly(ForSigmamobile‐approved
chargers)
• Ensurethatthechargerisconnectedproperly.
• VisitaSigmaMobileServiceCentreandhavethebatteryreplaced.
Thebatterydepletesfasterthanwhenfirstpurchased
• When you expose the device or the battery to very cold or very hot
temperatures,theusefulchargemaybereduced.
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• Battery consumption increases when you use messaging features or
someapps,suchasgamesortheInternet. Thebatteryisconsumable
andtheusefulchargewillgetshorterovertime.
Yourdeviceishottothetouch
Whenyouuseappsthatrequiremorepoweroruseappsonyour
device
foranextendedperiodoftime,yourdevicemayfeelhottothetouch.
Thisisnormalandshouldnotaffectyourdevice’slifespanorperformance.
Ifthe deviceoverheatsorfeelshotforaprolongedperiod,donotuseit
for a while. If the device continues to
overheat, contact a Samsung
ServiceCentre.Errormessagesappearwhenlaunchingthecamera
Yourdevicemusthavesufficientavailablememoryandbatterypowerto
operate the camera app. If you receive error messages when launching
thecamera,trythefollowing:
• Chargethebattery.
• Freesomememorybytransferringfilestoacomputerordeletingfiles
fromyourdevice.
• Restart your device. If you still have troubles with the camera app,
contactSigmamobileserviceCentre.
Photoqualityispoorerthanthepreview
The quality of your photos may vary, depending on the surroundings
andthephotographytechniquesyouuse.
If you take photos in dark areas, at night
 or indoors, image nois e may
occurorimagesmaybeoutoffocus.
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