Samsung GT-B7722QKASKZ Troubleshooting, Your phone displays Service unavailable or Network error

Page 78

Troubleshooting

When you turn on your phone or while you are using the phone, it prompts you to enter one of the following codes:

Code	Try this to solve the problem:
	When the phone lock feature is enabled,
Password	you must enter the password you set for
	the phone.
	When using the phone for the first time
	or when the PIN requirement is enabled,
PIN	you must enter the PIN supplied with
	the SIM card. You can disable this feature
	by using the PIN lock menu.

	Code	Try this to solve the problem:
		Your SIM card is blocked, usually as a
	PUK	result of entering your PIN incorrectly
	PUK	several times. You must enter the PUK
		several times. You must enter the PUK
		supplied by your service provider.
		When you access a menu requiring the
	PIN2	PIN2, you must enter the PIN2 supplied
	PIN2	with the SIM card. For details, contact
		with the SIM card. For details, contact
		your service provider.

Your phone displays "Service unavailable" or "Network error"

•When you are in areas with weak signals or poor reception, you may lose reception. Move to another area and try again.

•You cannot access some options without a subscription. Contact your service provider for more details.

Troubleshooting 77

Image 78

Contents Code No.GH68-28298A GT-B7722 Using this manual Instructional iconsRepresents the Power/End key Copyright informationContents Entertainment Personal informationWeb Settings ConnectivityTools Troubleshooting Safety and usage information Index Install the SIM or Usim card and battery AssemblingUnpack To turn it off Be careful not to damage your fingernails when youInsert the SIM or Usim card Remove the back coverBattery icon Will also be empty Charge the batteryInsert the battery Replace the back cover Battery to continue using your phoneMultifunction jack OutletInsert a memory card optional ›› Remove the memory cardOperation Memory card slot Attach a hand strap optional›› Format the memory card Hook it over the small projectionGetting started Turn your phone on and offGet to know your phone ›› Phone layout›› Indicator icons ››KeysAlarm activated Wi-Fi activatedBluetooth activated Battery power levelUse the touch screen Access menus ›› Organise applications in Menu modeLock or unlock the touch screen and keys Use widgets ›› Open the widget toolbar›› View or change widgets Customise your phone ›› Adjust the brightness of the display ›› Calibrate the touch screen›› Lock your phone Select On under Gesture unlockLanguage Select a SIM or Usim card Manage your SIM or Usim cards›› Lock your SIM or Usim card Select On under PIN lockSelect SIM auto switch ›› Select a default SIM or Usim card and network›› Switch the SIM or Usim cards automatically Enter textAccess help information ›› Make and answer a call CommunicationCalling Make a callReject a call ›› Use the headset›› Use options during a voice call Call an international number›› Use additional features ›› View and dial missed callsSet the auto rejection Logs ›› View call and message logsMake a fake call ›› View the log manager ›› Set up an MMS profile Messages›› Send a text message Select the Email setup wizard ›› Set up an email account and profileSet up an email account ›› Send a multimedia message›› View a message Set up an email profile›› Send an email message → ProfilesView a text or multimedia message ›› Listen to voice mail messages›› Use message templates View an email messageCreate a multimedia template Region or service provider›› Send an SOS message Sending optionsSave Entertainment Camera›› Capture a photo → Smile shot ›› Capture a photo in Smile shot mode›› Capture a series of photos → Continuous→ Panorama ›› Capture a panoramic photo›› Capture a mosaic photo → MosaicMusic player ›› Capture a video›› Add music files to your phone ›› Play music ›› Create a playlistSelect Playlists → Create ›› Listen to the FM radio Find musicFM radio Select Add → TracksSelect More → Self-tuning ›› Save radio stations automatically›› Record songs from the FM radio Games and more ›› Download games and applications›› Play games or launch applications ›› Find a contact Contacts›› Create a contact Select → Add to Contacts → New›› Create a group of contacts ›› Set a favourite number›› Create your name card Favourites›› View events Calendar›› Create an event Select Create groupTask MemoVoice recorder ›› Record a voice memo›› Play a voice memo Internet ›› Set up an internet profileWeb ›› Browse web pages›› Add an RSS feed address RSS reader›› Bookmark your favourite web pages Select AddSelect OK ›› Update and read RSS feedsDownloads Menu mode, select Downloads›› Use the Google Maps service ›› Use the Google Search service›› Use the Google Mail service GoogleSynchronise ›› Set up a synchronisation profile›› Set up a Microsoft Exchange server and profile ActiveSyncMenu mode, select ActiveSync Communities›› Set your favourite website or blog list Select Outbox → SyncSelect Upload to web Facebook›› Share a file LogMySpace Bluetooth ›› Find and pair with other Bluetooth- enabled devicesConnectivity ›› Send data using the Bluetooth wireless feature ›› Receive data using the Bluetooth wireless featureNamecard via → Bluetooth Wi-Fi ›› Activate the Wlan feature›› Find and connect to a Wlan PC connections ›› Connect with Samsung Kies›› Connect as a mass storage device ›› Synchronise with Windows Media Player PC connections → Media player → SaveCalculator AlarmsTools ConvertorDictionary Image editor›› Adjust an image ›› Transform an image›› Crop an image ›› Supported file formats ›› Insert a visual featureMy files Svg, swf›› View a file TimerStopwatch → Print via → USBSelect Tap here to import a scene Video editor›› Make a new video Add text›› Trim a segment of a video ›› Split a video›› Add caption to a video World clock›› Apply an effect to a video ›› View a world clock›› Add a world clock to your display Select → Set as 2nd clockPhone profiles SettingsAccess the Settings menu Display and lightSmart unlock Phone settingsApplication settings Touch panelNetwork settings SecurityPhone Memory settings Reset settingsTroubleshooting Your phone displays Service unavailable or Network errorOutgoing calls are not connected Touch screen responds slowly or improperlyCalls are being dropped Incoming calls are not connectedAudio quality is poor When dialling from contacts, the call is not connectedOthers cannot hear you speaking on a call Ensure that you are not covering the built-in microphoneBattery does not charge properly or the phone turns off Your phone is hot to the touchProtect your hearing Install mobile phones and equipment with cautionKeep your phone away from small children and pets Handle and dispose of batteries and chargers with careAvoid interference with pacemakers Turn off the phone in potentially explosive environmentsReduce the risk of repetitive motion injuries Do not use the phone if the screen is cracked or broken Follow all safety warnings and regulationsUse only Samsung-approved accessories Drive safely at all timesHandle your phone carefully and sensibly Avoid interference with other electronic devicesEnsure access to emergency services Allow only qualified personnel to service your phoneEnsure maximum battery and charger life Use your phone in the normal positionSpecific Absorption Rate SAR certification information Correct disposal of this productDisclaimer Correct disposal of batteries in this productSafety and usage information Index WLAN See web browser Volume Sending Downloading 45 playing Keys With Windows Media Player Wlan Declaration of Conformity R&TTE GSM Mobile Phone GT-B7722

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