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Move contacts, messages, music, and other data to your new device using AT&T Mobile Transfer.
Find out how back up contacts, photos, and files with a memory card to increase device memory or transfer to another device.
Get familiar with in-call options, including muting and speakerphone, as well as advanced call features, such as creating a conference call.
Learn how to set up AT&T Call Protect for an HD Voice-capable smartphone on your AT&T wireless account.
Access contacts, create a contact, edit a contact, add a picture or ringtone to a contact, delete a contact, add or remove a contact to speed dial, and back up contacts.
AT&T Video Call lets you make and receive HD Voice calls combined with real-time video.
Learn how to turn Airplane Mode on and off using the Notification bar or through Settings.
Turn Bluetooth on or off, scan and connect to other Bluetooth devices, and unpair a connected device.
Learn how to set up your device as a personal hotspot and share your data connection with Wi-Fi-capable devices.
Learn how to use Samsung SmartThings to connect to and control a wide range of devices.
View cellular network signal, turn cellular data connection, international roaming, and mobile data connection on or off.
How to use air gestures and motions, and access additional motions and gestures.
Access keyboard settings, use swipe, auto-complete suggestions, emojis, speech-to-text, and one-handed operation.
Make changes to apps, widgets, folders, wallpapers, home screen panels, screen grid, and home touch buttons.
View text and picture messages, calls, and voicemail messages in a single inbox. Send and receive messages from your tablet or computer.
Manage email settings such as sync frequency, server settings, signature, deleting an email account, and more.
Manage messaging settings such as notification alerts, Advanced Messaging, message limits, restore default settings, and emergency/AMBER alert settings.
Create and respond to text (SMS), Advanced Messaging, or picture (MMS) messages, add, save, and view received attachments and more.
Watch, search, and record your favorite movies and shows, and turn your device into your remote control, with the DIRECTV app on your phone.
Learn how Google Assistant allows you to control your device and access voice control settings using voice commands.
Hello Bixby allows you to quickly set reminders, create voice dictation, search and access content on your phone and on the internet.
Learn how to use two applications at the same time using the split-screen functionality of Multi Window.
Look at photos, watch videos, listen to songs, and more in just a few taps.
Learn how to access and use Camera modes, effects, customization, and crop a photo.
Learn how to access the camera, take a picture, switch between front and rear facing camera, and more.
Record a video, focus the camera, zoom in and out, capture images during video recording, pause and stop a recording, and access videos.
Find My Mobile allows you to manage your device in a secure way by tracking and controlling your device remotely.
Learn how to lock or unlock your display, set a screen security lock type (intelligent scan, face, iris, fingerprint, pin, password, pattern, or swipe), get your PUK code, or request your device be unlocked from the AT&T network.
Accessibility features improve the usability of your device for users with impaired vision or hearing, cognitive difficulty, or reduced dexterity.
Learn how to switch between Easy Mode (changes your home screen to a simpler experience for first-time smartphone users) and Standard mode.
Learn how to access and adjust notification settings and turn notifications on or off.
Learn how to check available device storage, free up memory, remove unused apps, or clear app data.
Learn how locate your device's IMEI, serial number, and phone number.
Learn how to update the software of the Samsung Galaxy J3 (2018) (J337A).
Learn how to troubleshoot apps by clearing the app cache, force stopping an app, checking for updates, removing an app, and reinstalling.