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Samsung SM-J720FZKDKSA, SM-J720FZDDKSA, SM-J720FZVDKSA Device overheating situations and solutions

Models: SM-J720FZDDKSA SM-J720FZKDKSA SM-J720FZVDKSA

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Basics

Device overheating situations and solutions

When the device heats up while charging the battery

While charging, the device and the charger may become hot. During wireless charging or fast charging, the device may feel hotter to the touch. This does not affect the device’s lifespan or performance and is in the device’s normal range of operation. If the battery becomes too hot, the charger may stop charging.

Do the following when the device heats up:

•Disconnect the charger from the device and close any running apps. Wait for the device to cool down and then begin charging the device again.

•If the lower part of the device overheats, it could be because the connected USB cable is damaged. Replace the damaged USB cable with a new Samsung-approved one.

•When using a wireless charger, do not place foreign materials, such as metal objects, magnets, and magnetic stripe cards, between the device and the wireless charger.

The wireless charging or fast charging feature is only available on supported models.

When the device heats up during use

When you use features or apps that require more power or use them for extended periods, your device may temporarily heat up due to increased battery consumption. Close any running apps and do not use the device for a while.

The following are examples of situations in which the device may overheat. Depending on the functions and apps you use, these examples may not apply to your model.

•During the initial setup after purchase or when restoring data

•When downloading large files

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Samsung SM-J720FZKDKSA Device overheating situations and solutions, When the device heats up while charging the battery

Contents

English /2018. Rev.1.0 Table of Contents Settings Appendix Basics Read me first Instructional icons Basics When the device heats up during use Device overheating situations and solutionsWhen the device heats up while charging the battery Do the following when the device heats up Keep the device updated with the latest software Device limitations when the device overheats Precautions for operating environment Package contents Device layout and functions Device layout Keys Battery Installing the battery Removing the battery Remove the back cover Pull out the batteryReplace the back cover Charging the battery Battery charging tips and precautions Reducing the battery consumption Installing the SIM or Usim card SIM or Usim card microSIM cardUse only a microSIM card Basics Removing the SIM or Usim card Single SIM models Dual SIM models Activating SIM or Usim cards Using dual SIM or Usim cards dual SIM modelsSetting preferred SIM or Usim cards Customising SIM or Usim cards Installing a memory card Memory card microSD card Removing the memory card → SD card →UNMOUNT Turning the device on and off Emergency modeActivating emergency mode Formatting the memory card Initial setup Deactivating emergency mode Basics Registering your Samsung account Samsung accountIntroduction Registering a new Samsung account Enter your email address and password, and then tap Sign Transferring data from your previous deviceTap Samsung account → →Remove account Smart Switch Transferring data wirelessly via Wi-Fi Direct Transferring backup data from a computer On the computer, launch Smart SwitchViewing imported data Samsung Cloud Backing up data Syncing data Tap →Settings →Sync settingsRestoring data Checking data Tapping Understanding the screenControlling the touchscreen Tapping and holding Swiping DraggingDouble-tapping Spreading and pinching Home screen and Apps screen Switching between Home and Apps screens Adding more apps Moving itemsCreating folders Moving apps from a folder Editing the Home screen Deleting a folder Indicator icons Displaying all apps on the Home screenIcon Meaning Lock screen Changing the screen lock method Capture a screenshot while using the deviceScreen capture Capturing a screenshot Access the notification settings Launch Settings Notification panel Using quick setting buttons Changing the input language Entering textKeyboard layout Changing the keyboard layout Additional keyboard functions Copying and pasting Dictionary Tap and hold over a word that you want to look up Galaxy Apps Installing or uninstalling appsInstalling apps Play Store Managing apps Uninstalling apps and using app sleep modeSetting app permissions Enabling apps Bixby Starting Bixby Bixby Home screen will appear Bixby HomeOpening Bixby Home To close Bixby Home, swipe to the left on the screen Using recommended content on Bixby Home Selecting apps to show as Bixby cards Viewing Bixby cardsEditing Bixby cards list →Unpin Tap GET Started on the Upcoming Reminders card ReminderStarting Reminder Reminder intro page will appear Creating reminders Creating reminders via the Reminder app Creating reminders from Bixby Home Checking reminder notificationsViewing the reminders list Creating reminders while browsing the Internet Restoring reminders Setting reminder detailsCompleting reminders Edit Cards Select apps to show as cards on the Bixby Home screen Customising Bixby settingsDeleting reminders About Bixby View the Bixby version and legal information Phone Making callsMake or answer voice and video calls Making calls from the locked screen Using speed dialMaking calls from call logs or contacts list Making an international call Answering a call Receiving callsBlocking phone numbers Rejecting a call Options during calls During a voice callDuring a video call Adding a phone number to Contact Adding a phone number to Contacts from the keypadAdding a phone number to Contacts from the calls list Creating a new contact ContactsAdding contacts Create new contacts or manage contacts on the device Searching for contacts Importing contactsSynching contacts with your web accounts Sharing contacts Saving and sharing profile Deleting contacts Creating groupsMerging duplicate contacts Sending a group message Send and view messages by conversation MessagesSending messages Tap Viewing messages Setting the message notificationSetting a message reminder Blocking unwanted messages Internet Browsing webpages Changing security settings Using secret modeActivating secret mode Deactivating secret mode Reading emails Setting up email accountsSending emails Tap Send to send the mail Camera Camera etiquette Using swipe gestures Launching Camera Basic shooting Taking photos or recording videos This feature is available only in Auto and Pro modes Zooming in and outLocking the focus AF and exposure AE Live Focus Editing the Live Focus photos To save the photo More fun with live stickers Applying stickers randomly Pro mode Using shooting modesAuto mode Available options Panorama mode Continuous shot modeTake a series of photos of moving subjects HDR Rich tone mode Night modeSports mode Sound & shot mode Selfie modeApplying beauty effects Wide selfie mode Using the Selfie focus feature Customising camera settings Options for current shooting mode Camera settings Rear Camera Common Gallery Viewing imagesSelect an image Searching for images Viewing videos Creating stories Viewing albumsViewing stories Deleting stories Deleting an image or a video Syncing images and videos with Samsung CloudDeleting images or videos Deleting multiple images and videos Multi window Split screen view Using additional options Adjusting the window size Minimising the split screen view Sharing text or images between windows Moving pop-up windows Samsung Pay miniPop-up view Here for pop-up view Samsung Members Creating notes When you are finished composing the note, tap SaveSamsung Notes Deleting notes Calendar Creating eventsTap Save to save the event Syncing events and tasks with your accounts Samsung HealthCreating tasks Starting Samsung Health Using Samsung Health Monitor your health and fitness Together Steps Additional information Voice Recorder Tap to finish recording Enter a file name and tap Save Launch the Clock app and tap Alarm Setting alarmsStopping alarms My Files Deleting clocks Deleting alarmsCreating clocks Launch the Clock app and tap World Clock Timer Calculator Playing through the speaker RadioListening to the FM radio Launch the Radio app Game Launcher Scanning radio stations You can change the game performance mode Using Game LauncherChanging the performance mode Removing a game from Game Launcher Using Game Tools Blocking notifications during games Uninstalling a second app Dual Messenger SmartThings Connecting to nearby devices Viewing and controlling registered devices Using home appliances, TVs, and IoT productsRegistering devices Adding devices and scenes by locations Adding devices to a location Adding automationsAdding locations Adding scenes Sharing content Using additional features Google apps Google YouTubePhotos Duo Introduction ConnectionsOptions Mobile networks Configure your mobile network settings Wi-FiConnecting to a Wi-Fi network Select a network from the Wi-Fi networks list On the Settings screen, tap Connections →Wi-Fi Wi-Fi DirectTap Wi-Fi Direct Sending and receiving data Bluetooth Pairing with other Bluetooth devices Tap next to the device name to unpair Unpairing Bluetooth devicesSending and receiving data Tap Unpair Data saver Mobile Hotspot and Tethering Using the mobile hotspot SIM card manager dual SIM models Printing More connection settingsCustomise settings to control other features Adding printer plug-ins Device Printing contentSounds and vibration Select a printer to add Notifications Display Changing the screen mode or adjusting the display colour Changing the screen mode Optimising the full screen colour balance Adjusting the screen tone by colour valueScreen tone screen will be adjusted Tick Advanced options Wallpapers and themes ScreensaverSelect an option Advanced features Device maintenance Using the quick optimisation feature Managing the battery BatteryPower saving mode Storage Ultra data saving MemoryDevice security Managing the memory Apps Lock screen Biometrics and security Smart Lock 138 Face recognition Registering your face Unlocking the screen with face recognition Fingerprint recognition For better fingerprint recognition Registering fingerprints Deleting fingerprints You can delete registered fingerprintsTap Edit Tick fingerprints to delete and tap Remove Using Samsung Pass Using fingerprints with Samsung Pay miniUnlocking the screen with fingerprints Samsung Pass Registering Samsung Pass Verifying the Samsung account password Using Samsung Pass to sign in to websitesUsing Samsung Pass to sign in to apps Using Samsung Pass with websites and apps Managing sign-in informationDeleting your Samsung Pass data Tap →Settings →Delete data Secure Folder Setting up Secure Folder Setting auto lock for Secure Folder Moving content to Secure Folder Moving content from Secure FolderAdding apps Backing up and restoring Secure Folder Adding accountsHiding Secure Folder Removing apps from Secure Folder Uninstalling Secure Folder Restoring dataTap Back up Secure Folder data Cloud and accounts Using a Google account Backup and restoreUsing a Samsung account Google Accessibility You can add languages to use on your device General managementAdding device languages → Add language Software update Security updates informationWebsite supports only some languages About phone Troubleshooting Appendix Resetting the device Restarting the deviceForcing restart Your battery is low. Charge the battery Calls are not connected Charge the battery Ensure that the charger is connected properly Error messages appear when opening multimedia files Your device cannot find your current location Samsung Cloud does not work Ensure that you are connected to a network properly Copyright TrademarksAbout Hevc Advance