Samsung SM2G388FDSADDE, SM-G388FDSAPLS, SM-G388FDSASEB, SM-G388FDSADPL Sound echoes during a call

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Troubleshooting

Sound echoes during a call

Adjust the volume by pressing the Volume key or move to another area.

A cellular network or the Internet is often disconnected or audio quality is poor

•Ensure that you are not blocking the device’s internal antenna.

•When you are in areas with weak signals or poor reception, you may lose reception. You may have connectivity problems due to issues with the service provider’s base station. Move to another area and try again.

•When using the device while moving, wireless network services may be disabled due to issues with the service provider’s network.

The battery icon is empty

Your battery is low. Charge the battery.

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.

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Contents SM-G388F Table of Contents Messages & email Read me first Maintaining water and dust resistance Instructional icons Package contents Getting startedDevice layout Keys Using the SIM or Usim card and battery Installing the SIM or Usim card and batteryGetting started Removing the SIM or Usim card and battery Charging the battery Getting started Installing a memory card Using a memory cardReducing the battery consumption →Settings →Storage →Unmount SD card Removing the memory cardFormatting the memory card Attaching a hand strap→ Erase everything Turning the device on and off Locking and unlocking the screenBasics Using the touchscreenTapping Dragging Tapping and holdingDouble-tapping Swiping Spreading and pinchingHome screen layout Home screenHome screen options Apps screen Indicator icons Icon MeaningUsing the notification panel Notification panelRearranging quick setting buttons Using the quick setting buttonsOpening apps Installing or uninstalling appsInstalling apps Samsung Galaxy AppsManaging apps Uninstalling or disabling appsPlay Store Enabling appsChanging the input language Entering textKeyboard layout Changing the keyboard layoutScreen capture Using additional keyboard functionsCopying and pasting Ultra power saving mode My FilesIncreasing touchscreen sensitivity Mobile data Wi-FiNetwork connectivity Tap ConnectTethering and Mobile hotspot Using the mobile hotspotAbout tethering and mobile hotspots Tick Bluetooth tethering Using USB tetheringUsing Bluetooth tethering Tick USB tetheringManaging the Home and Apps screens PersonalisingManaging the Home screen Changing the sorting method Managing the Apps screenManaging panels Hiding appsChanging ringtones Setting wallpaper and ringtonesSetting wallpaper Tap Set as wallpaper or DoneChanging the screen lock method Using backup accountsPassword Transferring data from your previous deviceUsing Smart Switch Mobile Using Samsung Smart SwitchUsing Smart Switch with computers Adding accounts Setting up accountsUsing Samsung Kies Removing accountsMaking calls PhoneMaking calls from call logs or contacts list Rejecting a call Receiving callsAnswering a call Missed callsDuring a voice call Options during callsDuring a video call Moving contacts from other devices ContactsAdding contacts Creating contacts manuallyAdding shortcuts for contacts to the Home screen Searching for contactsTap →Add shortcut to home screen Messages Messages & emailSending messages Setting up email accounts Viewing incoming messagesSending emails Reading emails Basic shooting CameraTaking photos or recording videos Beauty face Shooting modesAuto Launching Camera on the locked screenContinuous shot PanoramaBest photo AquaCamera settings SelfieCamera Viewing content on the device GalleryPlanner Useful apps and featuresCreating events or tasks Internet Syncing events and tasks with your accountsVideo Playing videosClock AlarmWorld clock Memo TimerCalculator StopwatchPlaying voice memos Voice RecorderRecording voice memos Searching for memosRadio Listening to the FM radioGoogle apps Scanning radio stationsPlay Books Play MusicPlay Movies & TV Play NewsstandGoogle Google SettingsVoice Search About Bluetooth BluetoothPairing with other Bluetooth devices Sending an image Sending and receiving dataReceiving an image About Wi-Fi Direct Wi-Fi DirectUnpairing Bluetooth devices Connecting to other devicesEnding the device connection Using the NFC feature About NFCMaking a purchase with the NFC feature Sending dataMobile printing Connecting to a printerPrinting content Adding printer plug-insUpdating over the air Device & data managerUpdating the device Updating with Samsung KiesTransferring files between the device and a computer Connecting as a media deviceConnecting with Samsung Kies Device MTPTap Backup and reset and tick Back up my data Performing a data resetUsing a Google account Backing up and restoring dataAbout Settings SettingsWi-Fi Tap →Advanced →Keep Wi-Fi on during sleep BluetoothSetting Wi-Fi sleep policy Tethering and Mobile hotspotData usage Flight modeLocation More networks Default messaging appPrinting Mobile networksSound DisplayLock screen CallApplication manager Backup and resetAccessibility AccountsSettings Language and input DefaultXcover key LanguageGoogle voice typing Text-to-speech options Date and timePointer speed Battery Ultra power saving modeStorage Security About device Storage type Set a storage type for credential filesTroubleshooting Your device displays network or service error messagesTouchscreen responds slowly or improperly Sound echoes during a call Your device is hot to the touch Another Bluetooth device is not located Data stored in the device has been lost Copyright
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SM-G388FDSAFTM, SM-G388FDSACOS, SM-G388FDSAAUT, SM-G388FDSATIM, SM-G388FDSAETL specifications

The Samsung SM-G388FDSAPRO, SM-G388FDSAPRT, SM-G388FDSAITV, SM-G388FDSADPL, and SM-G388FDSADBT represent a range of robust smartphones designed to cater to various user needs. Each model shares a common foundation but varies in specific features, tailoring to distinct preferences and requirements.

These smartphones typically come equipped with a compact and durable design, ideal for users seeking reliability in everyday scenarios. Featuring a reinforced chassis, they can withstand the rigors of daily use, making them suitable for both urban and outdoor environments.

One of the standout features of the Samsung SM-G388 series is its remarkable performance, powered by an efficient processor that ensures smooth multitasking. Whether users are browsing the web, streaming videos, or running multiple applications simultaneously, the device maintains a responsive and lag-free experience.

The smartphone series integrates a vibrant display that enhances viewing experiences. With vivid colors and sharp resolutions, users can enjoy their media in stunning quality. Additionally, the devices boast advanced touch sensitivity, providing intuitive navigation that appeals to both new users and seasoned tech enthusiasts.

Camera capabilities are another highlight of the SM-G388 lineup. Each model is equipped with a capable primary camera that delivers impressive photo quality, accompanied by various shooting modes and features that enhance creativity. Users can capture moments with ease, even in low-light conditions, thanks to included features like LED flash and manual adjustments.

Connectivity options are robust, making these devices versatile for different usage scenarios. With support for LTE, users can experience high-speed internet connections, while Wi-Fi and Bluetooth functionalities ensure seamless pairing with other devices. This connectivity extends the user’s experience, whether they are syncing with other devices or sharing content on the go.

Battery life is another crucial aspect where the SM-G388 series excels. With a substantial battery capacity, users can rely on their devices throughout the day without the need for frequent recharging. This is especially beneficial for users who engage in demanding activities.

In summary, the Samsung SM-G388FDSAPRO, SM-G388FDSAPRT, SM-G388FDSAITV, SM-G388FDSADPL, and SM-G388FDSADBT present a competitive choice in the smartphone market. Their combination of durability, performance, captivating displays, and versatile connectivity options make them appealing to a wide range of users, whether on the hunt for a dependable device or a feature-rich smartphone experience.
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