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Samsung GT-S6790ZWZSER Troubleshooting, Your device displays network or service error messages

Models: GT-S6790MKASER GT-S6790ZWZSER GT-S6790PWASER

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Troubleshooting

Before contacting a Samsung Service Centre, please attempt the following solutions. Some situations may not apply to your device.

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

•Password: When the device lock feature is enabled, you must enter the password you set for the device.

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

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

•PIN2: When you access a menu requiring the PIN2, you must enter the PIN2 supplied with the SIM or USIM card. For details, contact your service provider.

Your device displays network or service error messages

•When you are in areas with weak signals or poor reception, you may lose reception. Move to another area and try again. While moving, error messages may appear repeatedly.

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

Your device does not turn on

•When the battery is completely discharged, your device will not turn on. Charge the battery completely before turning on the device.

•The battery may not be inserted properly. Insert the battery again.

•Wipe both gold-coloured contacts and insert the battery again.

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Samsung GT-S6790ZWZSER, GT-S6790PWASER manual Troubleshooting, Your device displays network or service error messages

Contents

GT-S6790 About this manual About this manual Instructional icons Copyright Trademarks Table of Contents Maps Local Navigation Play Store Samsung Apps Play Music Play Magazines Device layout Getting started Buttons Package contents Installing the SIM or Usim card and battery Insert the battery Replace the back cover Pull out the SIM or Usim card Removing the SIM or Usim card and battery Charging with the charger Charging the battery Checking the battery charge status Inserting a memory card Reducing the battery consumption Removing the memory card →Settings →Storage →Unmount SD card Formatting the memory card Turning the device on and off→ Erase everything Switching to silent mode Adjusting the volumeHolding the device Locking and unlocking the device Basics Indicator iconsIcon Meaning Finger gestures Using the touch screenTapping Use only fingers to use the touch screen Double-tapping Dragging Pinching Flicking Rotating the screen Control motionsSimple motions allow easy control of the device Turning over Shake the device to search for Bluetooth devicesShaking Notifications Home screen Changing the Home screen modeRearranging items Using widgets Setting wallpaperRearranging panels Opening an application Using applicationsOpening from recently-used applications Closing an application Uninstalling applications Installing applicationsApplications screen Rearranging applications Entering text Using the Samsung keyboardSharing applications Changing the keyboard type Copying and pasting Entering text by voiceEntering uppercase Changing language keyboards Turning Wi-Fi on and off Connecting to a Wi-Fi networkJoining Wi-Fi networks Adding Wi-Fi networks Transferring files Setting up accountsAdding accounts Removing accounts Connecting with Windows Media Player Connecting with Samsung KiesConnecting as a media device Device MTP Setting a PIN Setting a patternSetting a password Securing the device Unlocking the device Upgrading the deviceUpgrading with Samsung Kies Upgrading over the air Phone CommunicationMaking calls Making an international call Finding contactsDuring a call Receiving calls Listening to a voice message Managing contacts ContactsSearching for contacts Moving contacts Displaying contactsMoving contacts to Google Moving contacts to Samsung Favourite contacts Importing and exporting contactsImporting contacts Exporting contacts Business card Contact groupsAdding contacts to a group Managing groups Sending messages MessagingSending scheduled messages Viewing incoming messages Setting up email accounts Reading messages Google Mail Public profile TalkAdding friends Chatting with friends Google+ Switching between chatsMessenger Deleting chat history ChatON Chrome Web & network Pairing with other Bluetooth devices BluetoothSending and receiving data Music Player MediaPlaying music Select a music category, and then select a song to play Creating playlists Setting a song as ringtone or alarm tonePlaying music by mood Taking photos CameraTaking a photo Camera etiquette Shooting mode Scene modeTap →Scene mode Tap →Shooting mode Taking videos Tap →Shooting mode →PanoramaPanoramic photos Taking a video Zooming in and out Recording mode Configuring settings for Camera Shortcuts GalleryViewing images Zooming in and out Playing videos Setting as wallpaperEditing images Deleting images Deleting videos Video PlayerSharing videos Select a video to play Watching videos YouTubeUploading videos Listening to the FM radio FM RadioScanning radio stations Adding stations to the favourites list Play Store Application & media stores Tap Samsung Apps on the Applications screen Samsung Apps Play Magazines Play Music Memo UtilitiesComposing memos Browsing memos Creating events or tasks Planner Changing calendar type Syncing with Google CalendarSearching for events Deleting events Dropbox Tap your Samsung account or Sync settings to sync filesCloud Syncing with the Samsung account Setting alarms AlarmClock World clock TimerStopwatch Desk clock Voice Recorder CalculatorRecording voice memos Playing voice memos List of voice memos, tap →Settings →Contextual filename →OnManaging voice memos Saving files with contextual tags Searching the device GoogleSearching with images Search scope My Files Voice Search Adding shortcuts to folders DownloadsTo sort the files by date, tap Sort by date Maps Travel & localSearching for locations Getting directions for a destination Local Navigation About Settings SettingsWi-Fi Setting Wi-Fi sleep policy Data usage Wi-Fi Direct Flight mode More settingsSet up and connect to virtual private networks VPNs Mobile networks Blocking mode Home screen modeSelect a Home screen mode basic or easy Sound Display Change the settings for the displayStorage Wallpaper Battery Power savingLocation services Application manager Security Lock screenEncrypt external SD card Account registration Add or view your Samsung account Set up SIM card lock Language and input DefaultLanguage Google voice typing Text-to-speech output Voice searchPointer speed Add account Backup and resetMotion Add email or SNS accounts Date and time AccessibilityAnswering/ending calls TalkBack Activate Talkback, which provides voice feedback Text-to-speech output Developer options Access device information and update device software Google SettingsAbout device Your device displays network or service error messages Troubleshooting Touch screen responds slowly or improperly Ensure that the charger is connected properly Your battery is low. Recharge or replace the battery Ensure that your device supports the file type Your device is hot to the touch Another Bluetooth device is not located Data stored on the device has been lost English EU /2013. Rev