Samsung GT-C6712 Troubleshooting, Your device displays network or service error messages

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Troubleshooting

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

	Code	Try this to solve the problem:
		When the device lock feature is enabled,
	Password	you must enter the password you set for the
		device.

		When using the device for the first time or
	PIN	when the PIN requirement is enabled, you
	PIN	must enter the PIN supplied with the SIM or
		USIM card. You can disable this feature by
		using the PIN lock menu.

		Your SIM or USIM card is blocked, usually as a
	PUK	result of entering your PIN incorrectly several
	PUK	times. You must enter the PUK supplied by
		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 with the
	PIN2	SIM or USIM card. For details, contact your
		SIM or USIM card. For details, contact your
		service provider.

Your device displays network or service error messages

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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

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Contents GT-C6712 Please keep this manual for future reference Using this manualRead me first Represents the End key Instructional iconsCopyright 2011 Samsung Electronics CopyrightTrademarks Contents Contents Troubleshooting Safety precautions Index Unpack AssemblingAssembling Assembling ››Charge with the travel adapter Charge the battery››Charge with the PC data cable Insert a memory card optional ››Remove the memory card ››Format the memory card Turn your device on and off Getting startedTo turn on your device Press and hold To turn off your device, press and hold and select Yes››Device layout Get to know your device››Idle screen KeysIndicator icons ››Shortcuts panel Use the touch screen Lock or unlock the touch screen and keys Access menusLaunch and manage applications ››Organise applications in Menu mode››Add new main menu screens ››Launch multiple applications››Use the task manager Use widgets››Add new panels to the idle screen ››Adjust the volume of the key tonesCustomise your device ››Set up a sound profile ››Switch to the silent profileMenu mode, select Settings → Sound profiles ››Select a wallpaper for the idle screenMenu mode, select Settings → Display and light ››Adjust the brightness of the display››Lock your device Select Phone lockMenu mode, select Settings → SIM cards Switch SIM or Usim cards››Lock your SIM or Usim card ››Activate the SIM or Usim cardEnter text ››Switch the SIM or Usim card automatically››Change the names and icons of the SIM or Usim cards Select ActivationEnter a symbol Symbol Set you wantDisplay Select to insert a space. IfRepeat steps 2-5 to complete your text ››Make and answer a call CommunicationCalling Reject a call ››Use options during a callSelect → Transfer. You will be disconnected ››Use additional features››View and dial missed calls Make a fake call Select a condition Select Name or Number Enter a name or numberSelect Fake caller image Select a call type to restrict Select Activate Select Activate Your setting will be sent to the networkLogs ››View call and message logs Messages››View the log manager Calls. In Menu mode, select Logs → → Log manager››Send a multimedia message ››Send a text messageMenu mode, select Messages → Compose Select Contacts Select the text input field and enter your message text››Listen to voice mail messages ››View a text or multimedia message→ Folder view Select a text or multimedia messageOptions ››Send an SOS message››View an email message ››Send an email messageSocial Hub ››Capture a photo EntertainmentCamera Select → Smile shot ››Capture a photo in Smile shot modeSelect → Panorama Select a direction ››Capture a panoramic photo››Record a video Video player Change a ratio of the video screen Adjust the volume››Play a video Select to stop recording Video is saved automatically››Add music files to your device Music››Play music HoldFM radio Activate Shuffle mode››Create a playlist Select Playlists → → Create››Record a song from the FM radio ››Listen to the FM radio››Save radio stations automatically GamesContacts Personal information››Create a contact ››Find a contact››Set a favourite number Use additional features by selecting››Create your namecard ››Create a group of contactsCalendar → Print via Bluetooth››Create an event ››View events››Create a task TaskMenu mode, select Task Tasks Select a task to view its detailsVoice recorder Memo››Create a memo ››View memos››Play a voice memo Internet Web››Browse web pages ››Bookmark your favourite web pagesSamsung Apps Select an updated feed››Use the RSS reader SaveYouTube Community websitesConnectivity Bluetooth››Turn on the Bluetooth wireless feature To allow other devices to locate your device, select ››Find and pair with other Bluetooth-enabled devices→ Settings → My phone’s visibility → Always on → Set ››Receive data using the Bluetooth wireless feature Wi-Fi››Activate the Wlan feature ››Find and connect to a WlanMenu mode, select Settings → Connectivity → Wi-Fi Setup WPSPC connections ››Connect with Samsung Kies››Connect as a mass storage device Ensure that Windows Media Player is installed on your PC››Synchronise with Windows Media Player Select → Auto power-up setting to turn on ››Stop an alarmTools Clock››Use the stopwatch ››Use the count-down timerCalculator My accounts Dictionary››Create a web account ››Delete or edit my accounts››Change the auto sync schedule My files››Supported file formats Wma››Set an image as your wallpaper View a file››Set a sound clip as your ringtone Select → Set as → Wallpaper → SetAccess the Settings menu SettingsFlight mode Menu mode, select SettingsDisplay and light ConnectivitySound profiles Date and time GeneralMenu and widgets Change the settings for using menus and widgetsApplications SecurityMemory Change PIN Change the PIN used to access SIM or Usim dataSIM applications ResetAbout phone Your device displays network or service error messages TroubleshootingIncoming calls are not connected Calls are being droppedOutgoing calls are not connected Battery does not charge properly or the device turns off Device beeps and the battery icon flashesIf using a headset, ensure that it is properly connected Others cannot hear you speaking on a callYour device is hot to the touch Error messages appear when launching the cameraYour device freezes or has fatal errors Another Bluetooth device is not locatedHandle and dispose of batteries and chargers with care Safety precautionsProtect the device, batteries, and chargers from damage Turn off your device where prohibitedDo not use your device near other electronic devices Do not use your device near a pacemakerTurn off the device in potentially explosive environments Turn off your device when in an aircraftKeep your device dry Proper care and use of your mobile deviceDo not use or store your device in dusty, dirty areas Do not store your device on slopesDo not drop your device or cause impacts to your device Ensure maximum battery and charger lifeDo not store your device near magnetic fields Protect your hearing Do not bite or suck on the device or the batteryWhen speaking on the device Install mobile devices and equipment with caution When cleaning your deviceAllow only qualified personnel to service your device Do not disassemble, modify, or repair your deviceSpecific Absorption Rate SAR certification information Ensure access to emergency servicesHandle SIM cards or memory cards with care Be sure to back up important dataCorrect disposal of batteries in this product Correct disposal of this productDisclaimer Brightness, display 27 calculator 67 calendar IndexFM radio Wlan Declaration of Conformity R&TTE GSM Wi-Fi Mobile Phone GT-C6712English EU /2011. 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