Samsung SM-J120FZKNORX, SM-J120FZKNDBT manual Battery depletes faster than when first purchased

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Appendix

The battery does not charge properly (For Samsung-approved chargers)

Ensure that the charger is connected properly.

If the battery terminals are dirty, the battery may not charge properly or the device may turn off. Wipe both gold-coloured contacts and try charging the battery again.

The battery depletes faster than when first purchased

When you expose the device or the battery to very cold or very hot temperatures, the useful charge may be reduced.

Battery consumption increases when you use messaging features or some apps, such as games or the Internet.

The battery is consumable and the useful charge will get shorter over time.

Your device is hot to the touch

When you use apps that require more power or use apps on your device for an extended period of time, your device may feel hot to the touch. This is normal and should not affect your device’s lifespan or performance. If the device overheats or feels hot for a prolonged period, do not use it for a while. If the device continues to overheat, contact a Samsung Service Centre.

Error messages appear when launching the camera

Your device must have sufficient available memory and battery power to operate the camera app. If you receive error messages when launching the camera, try the following:

Charge the battery.

Free some memory by transferring files to a computer or deleting files from your device.

Restart the device. If you are still having trouble with the camera app after trying these tips, contact a Samsung Service Centre.

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Contents SM-J120FN SM-J120G/DS SM-J120H/DS SM-J120ZN Table of Contents Appendix Basics Read me firstPackage contents Device layout Keys Battery Installing the batteryRemoving the battery Charging the battery Viewing the remaining charging time Battery charging tips and precautionsReducing the battery consumption Power saving mode Ultra power saving modeInstalling the SIM or Usim card SIM or Usim cardReplace the battery and back cover Removing the SIM or Usim card Memory card Using dual SIM or Usim cards dual SIM modelsInstalling a memory card On the Home screen, tap →Settings →Storage →Unmount SD card Removing the memory cardFormatting the memory card Turning the device on and offTouchscreen Dragging TappingTapping and holding Spreading and pinching Double-tappingSwiping Home screen Home screenHome screen options Adding itemsMoving and removing an item Creating foldersMoving items Apps screenManaging panels Basics Indicator icons Icon MeaningLock screen Notification panel Using the notification panelPassword PatternSingle SIM models Keyboard layout Using quick setting buttonsEntering text Changing the input languageCopying and pasting Screen captureAdditional keyboard functions Transferring data from your previous device Opening appsDevice and data management Closing an appUsing the device as a removable disk for data transfer Transferring data from a computerUpdating over the air Updating with Smart SwitchUpdating the device Backing up and restoring data Performing a data resetUsing a Google account Galaxy Apps Installing or uninstalling appsInstalling apps Play StoreIntroduction PhoneManaging apps Making callsTo make a video call Receiving calls During a voice call Options during callsMissed calls During a video callCreating contacts manually ContactsAdding contacts Importing contactsSending messages MessagesSearching for contacts Add recipients and enter a message Internet Viewing messagesSetting up email accounts Sending emails CameraBasic shooting Reading emailsTaking photos or recording videos Launching Camera on the locked screen Auto modePro mode Beauty face PanoramaContinuous shot Sound & shotSelfie Camera settingsQuick settings Camera settings Gallery Viewing images or videosDeleting multiple images and videos Deleting images or videosDeleting an image or a video Smart Manager Managing device performance Using the quick optimisation featureBattery StoragePlanner Creating eventsCreating tasks Syncing events and tasks with your accountsVideo Voice Recorder Composing memos My FilesMemo Searching for memosWorld clock AlarmClock Stopwatch TimerCalculator Radio Listening to the FM radioGoogle apps Scanning radio stationsDrive Google SettingsPlay Movies & TV YouTubeIntroduction Wi-FiConnecting to a Wi-Fi network Wi-Fi Direct Sending and receiving dataBluetooth Ending the device connectionPairing with other Bluetooth devices Sending and receiving dataMobile hotspot and tethering Flight modeUnpairing Bluetooth devices Using the mobile hotspot Data usageLimiting data usage SIM card manager dual SIM modelsMobile networks NFC and payment NFC-enabled models Using the NFC featureMaking payments with the NFC feature Sending dataPrinting More connection settingsOptions Adding printer plug-insDisplay Printing contentSounds and notifications Lock screen and security ApplicationsWallpaper Accessibility PrivacyRegistering Samsung accounts AccountsAdding accounts Removing accountsBackup and reset Language and inputStorage Date and time About device Troubleshooting AppendixForcing restart Resetting the deviceRestarting the device Sound 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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