Samsung SM-G390FZKAILO manual When the device heats up during use

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Basics

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

•When using apps that require more power or using apps for extended periods

––When playing high-quality games for extended periods

––When recording videos for extended periods

––When streaming videos while using the maximum brightness setting

––When connecting to a TV

•While multitasking (or, when running many apps in the background)

––When using Multi window

––When updating or installing apps while recording videos

––When downloading large files during a video call

––When recording videos while using a navigation app

•When using large amount of data for syncing with the cloud, email, or other accounts

•When using a navigation app in a car while the device is placed in direct sunlight

•When using the mobile hotspot and tethering feature

•When using the device in areas with weak signals or no reception

•When charging the battery with a damaged USB cable

•When the device’s multipurpose jack is damaged or exposed to foreign materials, such as liquid, dust, metal powder, and pencil lead

•When you are roaming

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Contents SM-G390F SM-G390Y Table of Contents Appendix Basics Read me firstDo the following when the device heats up Device overheating situations and solutionsWhen the device heats up while charging the battery Instructional iconsWhen the device heats up during use Device limitations when the device overheats Precautions for operating environmentMaintaining water and dust resistance Package contents Device layout Keys RecentsBattery Installing the batteryRemoving the battery Charging the battery Battery charging tips and precautions Reducing the battery consumptionViewing the estimated charging time Power saving mode Maximum power saving modeInstalling the SIM or Usim card SIM or Usim card microSIM cardInstalling a memory card Memory card microSD cardRemoving the SIM or Usim card Removing the memory card Attaching a hand strap Formatting the memory cardTurning the device on and off Controlling the touchscreenRestarting the device Tapping Tapping and holdingDragging Double-tapping SwipingSpreading and pinching Home screen Home screenHome screen options Adding itemsMoving items Removing itemsCreating folders Using quick options Apps screenManaging panels Rearranging items Indicator icons Searching for itemsLock screen Using the notification panel Notification panelUsing quick setting buttons Entering text Searching for content or nearby devicesSetting search categories FinderAdditional keyboard functions Changing the input languageChanging the keyboard layout Copying and pasting Screen captureOpening apps Capturing a screenshotSecure Folder IntroductionSetting auto lock for Secure Folder Moving contentCreating Secure Folder Hiding Secure Folder Adding appsAdding accounts Removing apps from Secure FolderUninstalling Secure Folder Multi windowSplit screen view Using additional options Adjusting the window sizeSharing text or images between windows Minimising the split screen viewMaximising a window Registering a new Samsung account Samsung accountRegistering your Samsung account Registering an existing Samsung accountTransferring data via Smart Switch Transferring data from your previous deviceRemoving your Samsung account Transferring data wirelessly via Wi-Fi Direct Transferring backup data from a computer On the computer, launch Smart SwitchConnecting the device to a computer for data transfer Device and data managementTransferring data via Samsung Cloud Updating with Smart Switch Updating the deviceUpdating over the air Using a Google account Performing a data resetUsing a Samsung account Backing up and restoring dataSharing features Emergency mode Deactivating emergency modeGalaxy Apps Installing or uninstalling appsInstalling apps Play StoreManaging apps Uninstalling or disabling appsSetting app permissions Enabling appsPhone Making callsReceiving calls Missed calls Blocking phone numbersOptions during calls During a voice callDuring a video call ContactsAdding contacts Creating a new contactAdding a phone number to Contacts from the keypad Enter contact informationAdding a phone number to Contacts from the calls list Importing contactsSynching contacts with your web accounts Searching for contacts Sharing contactsMessages Merging duplicate contactsDeleting contacts Sending messages Viewing messagesSetting the message notification Setting a message reminderBlocking unwanted messages Internet Browsing webpagesChanging security settings Using secret modeActivating secret mode Deactivating secret modeCamera Sending emailsReading emails Using swipe gestures Launching CameraBasic shooting Taking photos or recording videosLocking the focus AF and exposure AE Auto mode Pro modeCustomising shooting modes Panorama Continuous shotTag shot HDR Rich toneNight SportsUsing the selfie flash Sound & shotSelfie Wide selfie Applying beauty effectsApplications Camera settings Quick settingsCamera settings Gallery CommonViewing images and videos Viewing imagesViewing albums Viewing storiesViewing videos Creating stories Syncing images and videos with Samsung CloudDeleting images or videos Deleting storiesCreating notes Samsung NotesSharing images or videos Deleting multiple images and videosCalendar Deleting notesCreating events Creating tasksHealth Syncing events and tasks with your accountsStarting S Health Using S Health Monitor your health and fitnessAdditional information Voice Recorder Making voice recordingsDeleting alarms Setting alarmsStopping alarms My FilesCreating clocks Deleting clocksCalculator RadioListening to the FM radio Scanning radio stations Google apps Photos DuoGoogle Introduction Wi-FiConnecting to a Wi-Fi network ConnectionsWi-Fi Direct Tap ConnectBluetooth Ending the device connectionPairing with other Bluetooth devices Sending and receiving dataUnpairing Bluetooth devices Data usageFlight mode NFC and paymentLimiting data usage Using the NFC feature Making payments with the NFC featureSending data Using the mobile hotspot Mobile hotspot and tetheringMore connection settings Mobile networksLocation Printing Adding printer plug-insSounds and vibration Download boosterNotifications DisplayOptions Easy mode Blue light filterWallpapers and themes Advanced featuresSwitching to easy mode Managing shortcutsSend SOS messages Device maintenance Adding emergency contactsUsing the quick optimisation feature BatteryStorage Memory AppsLock screen and security Device securityCloud and accounts Samsung CloudAdding accounts AccountsManage cloud storage Removing accountsAccessibility Backup and restoreGoogle General management Software update About deviceTroubleshooting AppendixResetting the device Forcing restartSound echoes during a call Battery depletes faster than when first purchased Photo quality is poorer than the preview Your device cannot find your current location Copyright Trademarks

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