Samsung SM-G390FZKAEUR, SM-G390FZKADBT manual Flight mode, NFC and payment, Limiting data usage

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Settings

Limiting data usage

Set the device to automatically disable the mobile data connection when the amount of mobile data you have used reaches your specified limit.

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On the Settings screen, tap Connections →Data usage →Billing cycle, and then tap the Data limit switch to activate it.

Tap Data limit, enter the limit, and then tap SET.

Tap Data warning, enter a data usage alert level, and then tap SET. The device will alert you when the warning level is reached.

Flight mode

This disables all wireless functions on your device. You can use only non-network services. On the Settings screen, tap Connections and tap the Flight mode switch to activate it.

Make sure the device is turned off during takeoff and landing. After takeoff, you can use the device in flight mode if allowed by aircraft personnel.

NFC and payment

Your device allows you to read near field communication (NFC) tags that contain information about products. You can also use this feature to make payments and buy tickets for transportation or events after downloading the required apps.

The device contains a built-in NFC antenna. Handle the device carefully to avoid damaging the NFC antenna.

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Contents SM-G390F Table of Contents Appendix Read me first BasicsInstructional icons Device overheating situations and solutionsWhen the device heats up while charging the battery Do the following when the device heats upWhen the device heats up during use Precautions for operating environment Device limitations when the device overheatsMaintaining water and dust resistance Package contents Device layout Recents KeysInstalling the battery BatteryRemoving the battery Charging the battery Battery charging tips and precautions Reducing the battery consumptionViewing the estimated charging time Maximum power saving mode Power saving modeSIM or Usim card microSIM card Installing the SIM or Usim cardInstalling a memory card Memory card microSD cardRemoving the SIM or Usim card Removing the memory card Formatting the memory card Attaching a hand strapTurning the device on and off Controlling the touchscreenRestarting the device Tapping Tapping and holdingDragging Double-tapping SwipingSpreading and pinching Home screen Home screenAdding items Home screen optionsMoving items Removing itemsCreating folders Using quick options Apps screenManaging panels Rearranging items Searching for items Indicator iconsLock screen Notification panel Using the notification panelUsing quick setting buttons Finder Searching for content or nearby devicesSetting search categories Entering textAdditional keyboard functions Changing the input languageChanging the keyboard layout Capturing a screenshot Screen captureOpening apps Copying and pastingIntroduction Secure FolderSetting auto lock for Secure Folder Moving contentCreating Secure Folder Removing apps from Secure Folder Adding appsAdding accounts Hiding Secure FolderMulti window Uninstalling Secure FolderSplit screen view Adjusting the window size Using additional optionsSharing text or images between windows Minimising the split screen viewMaximising a window Registering an existing Samsung account Samsung accountRegistering your Samsung account Registering a new Samsung accountTransferring data via Smart Switch Transferring data from your previous deviceRemoving your Samsung account Transferring data wirelessly via Wi-Fi Direct On the computer, launch Smart Switch Transferring backup data from a computerConnecting 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 Backing up and restoring data Performing a data resetUsing a Samsung account Using a Google accountSharing features Deactivating emergency mode Emergency modePlay Store Installing or uninstalling appsInstalling apps Galaxy AppsEnabling apps Uninstalling or disabling appsSetting app permissions Managing appsMaking calls PhoneReceiving calls During a voice call Blocking phone numbersOptions during calls Missed callsCreating a new contact ContactsAdding contacts During a video callEnter contact information Adding a phone number to Contacts from the keypadAdding a phone number to Contacts from the calls list Importing contactsSynching contacts with your web accounts Sharing contacts Searching for contactsMessages Merging duplicate contactsDeleting contacts Viewing messages Sending messagesSetting the message notification Setting a message reminderBlocking unwanted messages Browsing webpages InternetDeactivating secret mode Using secret modeActivating secret mode Changing security settingsCamera Sending emailsReading emails Launching Camera Using swipe gesturesTaking photos or recording videos Basic shootingLocking the focus AF and exposure AE Auto mode Pro modeCustomising shooting modes Continuous shot PanoramaSports HDR Rich toneNight Tag shotUsing the selfie flash Sound & shotSelfie Applying beauty effects Wide selfieApplications Camera settings Quick settingsCamera settings Common GalleryViewing images Viewing images and videosViewing albums Viewing storiesViewing videos Deleting stories Syncing images and videos with Samsung CloudDeleting images or videos Creating storiesDeleting multiple images and videos Samsung NotesSharing images or videos Creating notesDeleting notes CalendarCreating tasks Creating eventsHealth Syncing events and tasks with your accountsStarting S Health Monitor your health and fitness Using S HealthAdditional information Making voice recordings Voice RecorderMy Files Setting alarmsStopping alarms Deleting alarmsDeleting clocks Creating clocksCalculator RadioListening to the FM radio Scanning radio stations Google apps Photos DuoGoogle Connections Wi-FiConnecting to a Wi-Fi network IntroductionWI-FI Direct Ending the device connection BluetoothSending and receiving data Pairing with other Bluetooth devicesData usage Unpairing Bluetooth devicesFlight mode NFC and paymentLimiting data usage Making payments with the NFC feature Using the NFC featureSending data Mobile hotspot and tethering Using the mobile hotspotMore connection settings Mobile networksLocation Adding printer plug-ins PrintingDownload booster Sounds and vibrationNotifications DisplayOptions Blue light filter Easy modeManaging shortcuts Advanced featuresSwitching to easy mode Wallpapers and themesSend SOS messages Adding emergency contacts Device maintenanceUsing the quick optimisation feature BatteryStorage Device security AppsLock screen and security MemorySamsung Cloud Cloud and accountsRemoving accounts AccountsManage cloud storage Adding accountsAccessibility Backup and restoreGoogle General management About device Software updateAppendix TroubleshootingForcing restart Resetting the deviceSound 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 Trademarks Copyright
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SM-G390FZKACOS, SM-G390FZKANEE, SM-G390FZKAXEH, SM-G390FZKAVGR, SM-G390FZKASEE specifications

The Samsung SM-G390FZKASEE, commonly known as the Galaxy XCover 4, is a rugged smartphone designed for users seeking durability without sacrificing functionality. Launched as part of Samsung's XCover series, it is engineered to withstand the rigors of harsh environments, making it an ideal choice for outdoor enthusiasts, professionals in demanding job conditions, and anyone prone to accidental drops.

One of the standout features of the Galaxy XCover 4 is its robust build quality. It meets the military-grade MIL-STD-810G standard, meaning it can handle extreme temperatures, humidity, and exposure to dust. Additionally, it has an IP68 rating for water and dust resistance, allowing it to be submerged in water for extended periods without damage.

The design of the Galaxy XCover 4 includes a 5-inch PLS TFT display with a resolution of 1280 x 720 pixels. While the screen may not boast the highest resolution available in modern smartphones, it provides decent clarity and color reproduction for everyday tasks. One notable feature of its display is its ability to be used while wearing gloves, enhancing usability for users working in cold or hazardous environments.

Powering the Galaxy XCover 4 is an octa-core processor, accompanied by 2GB of RAM, ensuring smooth multitasking and responsiveness. The device also comes with 16GB of internal storage, expandable via a microSD card, catering to users who require additional space for apps, photos, and files.

The smartphone is equipped with a reliable 13MP rear camera, which captures sharp images and offers features such as autofocus and LED flash. The 5MP front-facing camera is suitable for selfies and video calls, making it a versatile tool for communication.

Battery life is a crucial component for users who are often on the move, and the Galaxy XCover 4 does not disappoint. It features a removable 2800mAh battery, which can be easily replaced as needed. This is particularly beneficial for field workers needing an extended device lifecycle.

In addition to hardware specifications, the Galaxy XCover 4 runs on Android, providing access to a plethora of applications and services. Its rugged nature, combined with practical features, positions the Samsung SM-G390FZKASEE as a compelling choice for those in search of a tough and reliable smartphone.
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