Samsung SM-A300FZWAILO, SM-A300FZKDROM, SM-A300FZWDROM manual About device, Set up SIM card lock

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Settings

Verify apps: Set the device to check the apps for harmful content before installing them.

Encrypt device: Set a password to encrypt data saved on the device. You must enter the password each time you turn on the device.

Charge the battery before enabling this setting because it may take more than an hour to encrypt your data.

Encrypt external SD card: Set the device to encrypt files on a memory card.

If you reset your device to the factory defaults with this setting enabled, the device will not be able to read your encrypted files. Disable this setting before resetting the device.

Remote controls: Set the device to allow control of your lost or stolen device remotely via the Internet. To use this feature, you must sign in to your Samsung account.

SIM Change Alert: Activate or deactivate the Find my mobile feature which helps locate the device when lost or stolen.

Go to website: Access the Find my mobile website (findmymobile.samsung.com). You can track and control your lost or stolen device from the Find my mobile website.

Set up SIM card lock:

Lock SIM card: Activate or deactivate the PIN lock feature to require the PIN before using the device.

Change SIM PIN: Change the PIN used to access SIM data.

Make passwords visible: Set the device to display passwords as they are entered.

Security policy updates: Set the device to check and download security updates.

Send security reports: Set the device to automatically send the updated security reports to Samsung.

Storage type: Set a storage type for credential files.

Trusted credentials: Use certificates and credentials to ensure secure use of various apps.

Install from device storage: Install encrypted certificates stored on the USB storage.

Clear credentials: Erase the credential contents from the device and reset the password.

About device

Access device information, edit the device name, or update device software. On the Settings screen, tap About device.

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Contents SM-A300F/DS SM-A300F SM-A300H/DS SM-A300H Table of Contents Messages & email Read me first Instructional icons Getting started Package contentsDevice layout Buttons Installing the SIM or Usim card Using the SIM or Usim card and batteryDual SIM models Single SIM models Dual SIM models Single SIM models Getting started Insert the SIM card tray back into the SIM card tray slot Removing the SIM or Usim card Switching between cards Using dual SIM or Usim cards dual SIM modelsActivating SIM or Usim cards Changing the display name and icon of SIM or Usim cardsCharging the battery Reducing the battery consumption Installing a memory card Using a memory cardFormatting the memory card Removing the memory cardLocking and unlocking the screen Turning the device on and offBasics Using the touch screenTapping Dragging Tapping and holdingDouble-tapping Spreading and pinching FlickingHome screen Home screen layoutHome screen options Apps screen Icon Meaning Indicator iconsNotifications panel Using the notifications panelUsing the quick setting buttons Rearranging quick setting buttonsOpening apps Installing or uninstalling appsSamsung Galaxy Apps Closing an appUninstalling or disabling apps Installing appsPlay Store Managing appsKeyboard layout Entering textEnabling apps Changing the input languageCopying and pasting Using additional keyboard functionsChanging the keyboard layout My Files Screen captureViewing help information Power saving featureNetwork connectivity Wi-FiMobile data Tap ConnectTethering and Mobile hotspot Using the mobile hotspotAbout tethering and mobile hotspots Using Bluetooth tethering Using USB tetheringTick Bluetooth tethering Tick USB tetheringManaging the Home and Apps screens PersonalisingManaging the Home screen Managing panels Managing the Apps screenChanging the sorting method Hiding appsSetting wallpaper Setting wallpaper and ringtonesChanging ringtones Password Easy modeChanging the screen lock method PatternTransferring data from your previous device Setting up accountsMaking calls PhoneMaking an international call Making calls from call logs or contacts listTap Keypad Options during calls Receiving callsDuring a video call Adding contacts ContactsMoving contacts from other devices Creating contacts manuallyAdding shortcuts for contacts to the Home screen Searching for contactsTap →Add shortcut to home screen Messages Messages & emailSending messages Dual SIM modelsViewing incoming messages Sending emails Setting up email accountsReading emails Basic shooting CameraTaking photos or recording videos Camera etiquette Launching Camera on the locked screenAuto Shooting modesBeauty face PanoramaRear-cam selfie Wide selfieTap →Wide selfie HDR Rich tone Continuous shotNight Animated GIFCamera settings Camera Gallery Viewing content on the devicePlanner Useful apps and featuresCreating events or tasks Syncing events and tasks with your accounts InternetPlaying videos VideoSetting alarms AlarmStopping alarms Deleting alarmsWorld clock TimerStopwatch Creating clocksMemo CalculatorComposing memos Searching for memosRecording voice memos Voice RecorderPlaying voice memos Listening to the FM radio RadioScanning radio stations Google appsPlay Movies & TV Google SettingsPlay Books Play NewsstandAbout Bluetooth BluetoothPairing with other Bluetooth devices Sending an image Sending and receiving dataReceiving an image Unpairing Bluetooth devices Wi-Fi DirectAbout Wi-Fi Direct Connecting to other devicesEnding the device connection Using the NFC feature NFC NFC-enabled modelsAbout NFC Sending data Making a purchase with the NFC featureAbout Screen Mirroring Screen MirroringViewing content on a TV Printing content Connecting to a printerMobile printing Adding printer plug-insUpgrading the device Device & data managerUpgrading over the air Upgrading with Samsung KiesConnecting with Samsung Kies Connecting as a media deviceTransferring files between the device and a computer Device MTPUsing a Google account Performing a data resetTap Backup and reset and tick Back up my data Backing up and restoring dataAbout Settings SettingsWi-Fi Setting Wi-Fi sleep policyFlight mode BluetoothTethering and Mobile hotspot Data usageLocation SIM card manager dual SIM modelsDefault messaging app NFC NFC-enabled modelsScreen Mirroring PrintingMobile networks SoundDisplay Screen modeWallpaper Themes Lock screenCall Answering/ending callsApplication manager Additional settingsRingtones and keypad tones Easy mode Backup and resetAccessibility Add accountSettings Language and input DefaultLanguage Samsung keyboard Google voice typing Date and time AccessoriesText-to-speech options Pointer speedBattery Ultra power saving modeStorage SecurityAbout device Set up SIM card lockAppendix TroubleshootingTouch screen responds slowly or improperly Sound echoes during a call Your device is hot to the touch Another Bluetooth device is not located Small gap appears around the outside of the device case Removing the batteryCopyright
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