Samsung SM-J120HZDDKSA, SM-J120HZKDKSA 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-J120F/DS SM-J120H/DS Table of Contents Appendix Basics Read me firstPackage contents Device layout Keys Battery Installing the batteryRemoving the battery Charging the battery Battery charging tips and precautions Reducing the battery consumptionViewing the remaining charging time 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 Using dual SIM or Usim cards dual SIM models Installing a memory cardMemory card On the Home screen, tap →Settings →Storage →Unmount SD card Removing the memory cardTurning the device on and off TouchscreenFormatting the memory card Tapping Tapping and holdingDragging Double-tapping SwipingSpreading and pinching Home screen Home screenHome screen options Adding itemsMoving and removing an item Creating foldersApps screen Managing panelsMoving items Basics Indicator icons Icon MeaningLock screen Using the notification panel PasswordNotification panel PatternSingle SIM models Using quick setting buttons Entering textKeyboard layout Changing the input languageScreen capture Additional keyboard functionsCopying and pasting Opening apps Device and data managementTransferring data from your previous device Closing an appUsing the device as a removable disk for data transfer Transferring data from a computerUpdating with Smart Switch Updating the deviceUpdating over the air Performing a data reset Using a Google accountBacking up and restoring data Installing or uninstalling apps Installing appsGalaxy Apps Play StorePhone Managing appsIntroduction Making callsTo make a video call Receiving calls Options during calls Missed callsDuring a voice call During a video callContacts Adding contactsCreating contacts manually Importing contactsMessages Searching for contactsSending messages Add recipients and enter a message Internet Viewing messagesSetting up email accounts Camera Basic shootingSending emails Reading emailsTaking photos or recording videos Auto mode Pro modeLaunching Camera on the locked screen Panorama Continuous shotBeauty face Sound & shotCamera settings Quick settingsSelfie Camera settings Gallery Viewing images or videosDeleting images or videos Deleting an image or a videoDeleting multiple images and videos Smart Manager Using the quick optimisation feature BatteryManaging device performance StoragePlanner Creating eventsCreating tasks Syncing events and tasks with your accountsVideo Voice Recorder My Files MemoComposing memos Searching for memosAlarm ClockWorld clock Timer CalculatorStopwatch Radio Listening to the FM radioGoogle apps Scanning radio stationsGoogle Settings Play Movies & TVDrive YouTubeWi-Fi Connecting to a Wi-Fi networkIntroduction Wi-Fi Direct Sending and receiving dataBluetooth Ending the device connectionPairing with other Bluetooth devices Sending and receiving dataFlight mode Unpairing Bluetooth devicesMobile hotspot and tethering Using the mobile hotspot Data usageSIM card manager dual SIM models Mobile networksLimiting data usage More connection settings OptionsPrinting Adding printer plug-insPrinting content Sounds and notificationsDisplay Applications WallpaperLock screen and security Accessibility PrivacyAccounts Adding accountsRegistering Samsung accounts Removing accountsBackup and reset Language and inputStorage Date and time About deviceTroubleshooting AppendixResetting the device Restarting the deviceForcing restart 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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