Samsung SM-J320FZDNXEF Using the quick optimisation feature, Using the Smart manager, Battery

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Applications

Using the quick optimisation feature

On the Apps screen, tap Smart Manager →CLEAN ALL.

The quick optimisation feature improves device performance through the following actions.

•Identifying apps that use excessive battery power and clearing some memory.

•Deleting unnecessary files and closing apps running in the background.

•Scanning for malware.

Using the Smart manager

On the Apps screen, tap Smart Manager and select a feature.

Battery

Check the remaining battery power and time to use the device. For devices with low battery levels, conserve battery power by activating power saving features and closing apps that are consuming an excessive amount of battery power.

The usage time left shows the time remaining before the battery power runs out. Usage time left may vary depending on your device settings and operating conditions.

Storage

Check the status of used and available memory capacity. You can delete unused and residual files or uninstall apps that you do not use any more.

RAM

Check the amount of available RAM. You can close background apps and reduce the amount of RAM you are using to speed up your device.

Device security

Check the device’s security status. This feature scans your device for malware.

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Contents SM-J320F/DS SM-J320FN SM-J320G/DS SM-J320H/DS Table of Contents Appendix Basics Read me firstPackage contents Device layout Keys Battery Installing the batteryRemoving the battery Charging the battery Reducing the battery consumption Viewing the remaining charging timeBattery charging tips and precautions 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 Switching between cardsActivating SIM or Usim cards Changing the display name and icon of SIM or Usim cardsInstalling a memory card Memory cardRemoving the memory card Formatting the memory cardTurning the device on and off TouchscreenDragging TappingTapping and holding Spreading and pinching Double-tappingSwiping Home screen Home screenHome screen options Creating folders Adding itemsMoving and removing an item Moving items Apps screenManaging panels Creating folders Indicator icons Icon MeaningLock screen PatternNotification panel Using the notification panelPassword Single SIM models Using quick setting buttons Entering textKeyboard layout Changing the input languageAdditional keyboard functions Copying and pastingScreen capture Opening appsDevice and data management Transferring data from your previous deviceTransferring data from a mobile device Transferring data from a computerUpdating over the air Using the device as a removable disk for data transferUpdating the device Performing a data reset Updating with Smart SwitchUsing a Google account Backing up and restoring dataInstalling or uninstalling apps Installing appsGalaxy Apps Play StorePhone Managing appsIntroduction Making callsSingle SIM models Tap to make a voice call, or tap Receiving calls During a video call Options during callsDuring a voice call Contacts Adding contactsCreating contacts manually Importing contactsSending messages MessagesSearching for contacts Viewing messages Internet Reading emails Setting up email accountsSending emails Taking photos or recording videos CameraBasic shooting Locking the focus and exposure Launching Camera on the locked screenLaunching Camera quickly Panorama Auto modePro mode Continuous shot Beauty faceSelfie Sound&shotHDR Rich tone Camera settingsQuick settings Camera settings Gallery Viewing images or videosSmart Manager Deleting images or videosDeleting an image or a video Deleting multiple images and videosUsing the quick optimisation feature Using the Smart managerBattery StoragePlanner Creating eventsCreating tasks Syncing events and tasks with your accountsVideo Change screen ratioVoice Recorder My Files MemoComposing memos Searching for memosWorld clock AlarmClock Stopwatch TimerCalculator Radio Listening to the FM radioGoogle apps Scanning radio stationsGoogle Settings Play Movies & TVDrive YouTubeIntroduction Wi-FiConnecting to a Wi-Fi network Ending the device connection Wi-Fi DirectSending and receiving data Bluetooth Pairing with other Bluetooth devicesSending and receiving data Flight modeUnpairing Bluetooth devices Using the mobile hotspot Mobile hotspot and tetheringLimiting data usage Data usageSIM card manager dual SIM models NFC and payment NFC-enabled models Mobile networksUsing the NFC feature Making payments with the NFC featureTap Android Beam and tap the switch to activate it Sending dataMore connection settings OptionsPrinting Adding printer plug-insDisplay Printing contentSounds and notifications Applications WallpaperThemes Lock screen and securityPrivacy Easy modeSwitching to easy mode Accessibility Managing shortcutsAccounts Adding accountsRegistering Samsung accounts Removing accountsBackup and reset Language and inputStorage Date and time About deviceTroubleshooting AppendixForcing restart Resetting the deviceRestarting the device Sound echoes during a call Battery depletes faster than when first purchased Error messages appear when opening multimedia files Your device cannot find your current location Copyright Trademarks
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SM-J320FZWDSER, SM-J320FZKNBGL, SM-J320FZKNPHE, SM-J320FZDNITV, SM-J320FZDAILO specifications

The Samsung SM-J320FZDDKSA, SM-J320FZWDKSA, and SM-J320FZKDKSA are part of the Galaxy J3 series, designed to cater to budget-conscious consumers seeking reliable performance and essential smartphone features. These models were released in 2016 and are positioned as entry-level smartphones, making them accessible to a wide range of users.

One of the standout features of the Galaxy J3 series is its compact design. The devices boast a 5-inch Super AMOLED display, delivering vibrant colors and deep blacks, enhancing the viewing experience for multimedia consumption. The screen resolution of 1280 x 720 pixels ensures that images and text are sharp, making it suitable for casual browsing and media playback.

Under the hood, the Galaxy J3 models are powered by a quad-core processor, providing decent performance for everyday tasks such as browsing the internet, social media use, and light gaming. Depending on the variant, the smartphones are equipped with either 1.5GB or 2GB of RAM, facilitating smooth multitasking for users.

In terms of storage, these models offer 8GB or 16GB of internal memory, which can be expanded via a microSD card slot, allowing users to store their favorite apps, photos, and videos without running out of space. The camera capabilities include an 8-megapixel rear camera that features an LED flash, enabling users to capture decent quality images in various lighting conditions. Additionally, a 5-megapixel front-facing camera is available for selfies and video calls.

Battery life is a crucial aspect of any smartphone, and the Galaxy J3 series does not disappoint with its removable 2600mAh battery. This capacity provides a solid performance throughout the day, even with moderate usage, making it suitable for users who may not have access to charging frequently.

Connectivity options on the Galaxy J3 include 4G LTE support, ensuring fast internet access, along with standard features such as Wi-Fi, Bluetooth, and GPS. The devices run on Android, providing access to a range of applications through the Google Play Store.

In summary, the Samsung SM-J320FZDDKSA, SM-J320FZWDKSA, and SM-J320FZKDKSA smartphones offer a balanced mix of essential features and reliable performance, making them ideal for those seeking an affordable yet functional mobile device. Their user-friendly interface, solid build quality, and long-lasting battery life contribute to their appeal in the competitive entry-level smartphone market.
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