Samsung Galaxy J7 (2018) (J737A)

Device help

Explore tutorials and more for your device.
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Samsung Galaxy J7 (2018) (J737A)

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Something not working with your device?

Fix common service and device issues.

Learn all about your device

Want to get to know your device a litte better? Explore features, find out how to keep it safe, and more.

Learn more about your Samsung Galaxy J7 (2018) (J737A)


Block calls

Block or unblock calls from your device. Block unknown calls.

Call features

Learn what features are available for a phone call. Make & receive a call, decline a call, adjust volume, put a call on hold, mute a call, or put a call on speaker phone; access your contacts, dialpad and home screen; return to an active call and end a call.

Call forwarding

Manage call forwarding from your device.

Call Protect

Learn how to set up AT&T Call Protect for an HD Voice-capable smartphone on your AT&T wireless account.


Learn how to add, view, delete, customize by adding a picture or ringtone, and backup your contacts.

Make & receive an AT&T Video Call

AT&T Video Call lets you make and receive HD Voice calls combined with real-time video.

Wi-Fi calling

Use your Wi-Fi connection to talk and text when cellular coverage is limited or unavailable.


Airplane mode

Learn how to turn Airplane Mode on and off using the Notification bar or through Settings.


Learn how to turn Bluetooth on or off, scan and connect to other Bluetooth devices, and unpair a connected device.

Mobile hotspot

Learn how to set up your device as a personal hotspot and share your data connection with Wi-Fi-capable devices.

Samsung SmartThings

How to use Samsung SmartThings.

Signal & cellular data

View cellular network signal, turn cellular data connection, international roaming, and mobile data connection on or off.


Turn Wi-Fi on or off, connect to a Wi-Fi network, and remove a Wi-Fi network.


Activate AT&T PREPAID account

This tutorial shows how to activate an AT&T PREPAID account.


Determine your device's SIM card type, operating frequencies, physical characteristics, storage, and more.

Cleaning your device

Get tips on the best way to keep your device clean.

Device setup

Set up your device for the first time or after a factory reset.

Gestures & motion

How to use air gestures and motions, and access additional motions and gestures.

Google sign-in

Add your Google account to sync Gmail, Chrome, YouTube, Google Maps, and more.

Insert SIM & memory card

Install and remove the SIM and memory card (MicroSD).

Keyboard & typing

Access keyboard settings, use swipe, auto-complete suggestions, emojis, speech-to-text, and one-handed operation.

Learn & customize the home screen

Make changes to wallpaper, themes, home screen panels, folders, screen grid, and enable or disable Easy Mode.

Manage AT&T PREPAID account

Change your ATnT PREPAID plan, check your balance, add money to your account and more.


Available memory

Learn how to check available device storage, free up memory, remove unused apps, or clear app data.

Find IMEI & serial number

Learn how locate your device's IMEI, serial number, and phone number.

Safe Mode

Android phones have a feature called Safe Mode, which can help you rule out problematic apps as the cause of your device problems.

Software update

Learn how to update the software of the Samsung Galaxy J7 (2018) (J737A).

Software version

Determine your current device software version and check for updates.

View & manage data

Access Usage Manager to view data usage, set data limits, and see the apps using the most data.


Ads, pop-ups & notifications

Free apps typically get revenue through ads, pop-ups, or notifications. Learn how to manage these on your device.

App troubleshooting

Learn how to troubleshoot apps by clearing the app cache, force stopping an app, checking for updates, removing an app, and reinstalling.

Reset device

Learn how to perform a soft, factory, or alternate master reset of your device.

Safe Mode

Android phones have a feature called Safe Mode, which can help you rule out problematic apps as the cause of your device problems.


Access voicemail

Check your voicemail messages.

Change or reset voicemail password

Reset a forgotten password or change an existing voicemail password.

Set up voicemail

Set up voicemail.

More Topics


Access downloaded files

Access files downloaded from a web browser, email, and messages.

Browse the Web

Browse the web, add bookmarks, use browser tabs, and access browser settings.

Download apps & games

Download apps, games, movies, music, books, magazines, newspapers and more.

View or close running apps

How to view, switch between, and close running applications.


AT&T Mobile Transfer

Move contacts, messages, music, and other data to your new device using AT&T Mobile Transfer.

AT&T Personal Cloud

Back up and sync your contacts, photos, videos, and more from your device.

Backup & restore with computer

Backup and restore your device with a computer.

Backup & restore with Google

Discover how use Google to back up contacts, photos, and files.

Backup & restore with memory card

Find out how back up contacts, photos, and files with a memory card to increase device memory or transfer to another device.

Samsung Smart Switch Mobile

Transfer your data and apps from your old device to your new one.


AT&T Messages Backup & Sync

View text and picture messages, calls, and voicemail messages in a single inbox. Send and receive messages from your tablet or computer.

Block messages

Block messages from your device.

Email settings

Manage email settings such as sync frequency, server settings, signature, deleting an email account, and more.

Messaging settings

Manage messaging settings such as notification alerts, Advanced Messaging, message limits, restore default settings, and emergency/AMBER alert settings.

Send & receive email

Add and download email attachments, respond to an email and more.

Send & receive messages

Create and respond to text (SMS), Advanced Messaging, or picture (MMS) messages, add, save, and view received attachments and more.

Set up email

Add your email accounts so you can read and send email on your device.


Screen projecting

Project photos, videos, and media on your device to another device (TV, tablet, computer, etc.).

Visual Intelligence

Bixby Vision gives you a deeper understanding of what you're looking at through your camera by identifying landmarks, translating languages, or showing you where to buy an item.

AT&T Personal Cloud

Back up and sync your contacts, photos, videos, and more from your device.


Access the calendar on your device and learn how to manage events.

Google Assistant

Learn how Google Assistant allows you to control your device and access voice control settings using voice commands.


All of HBO together with new hits, classic favorites, plus new Max Originals.

Hello Bixby

Hello Bixby allows you to quickly set reminders, create voice dictation, search and access content on your phone and on the internet.

Multi window

The Multi Window feature provides split-screen functionality, which allows you to use two applications at the same time. Complete multiple tasks on one screen, take notes while watching a video, or search the web and check your email messages simultaneously.


View and pay your AT&T bills online, manage your account, reset passwords, or upgrade your AT&T services.


Access, store photos & videos

Learn how to access and store your photos and videos.

Advanced photo & video features

Learn how to access and use Camera modes, effects, customization, and crop a photo.

Camera & video settings

Manage camera and video settings including flash, timer, and more.

Take a video

Record a video, focus the camera, zoom in and out, capture images during video recording, pause and stop a recording, and access videos.

Take a picture

Learn how to access the camera, take a picture, switch between front and rear facing camera, and more.

Take a screenshot

Take a screenshot.

Transfer photos & videos

Transfer files to or from your device and a computer.


Ads, pop-ups & notifications

Free apps typically get revenue through ads, pop-ups, or notifications. Learn how to manage these on your device.

Find My Mobile

Find My Mobile allows you to manage your device in a secure way by tracking and controlling your device remotely.

Secure Folder

Secure your personal content and keep it hidden on your device.

Secure my device

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.

Viruses & Malware

Learn how to determine if you might have harmful software (malware) on your device and get tips to help fix the issue.



Turn on features such as Voice Assistant, Flash Notifications, and Accessibility Shortcut.

Date & time

Learn how to set the date and time on your device as well as use the alarm clock.


Change the display brightness, time out and orientation.

Easy Mode

Switch between Easy Mode (changes your Home screen to a simpler experience for smartphone users) and Standard mode. Easy mode provides an easier interface with a simpler layout and larger font size.


Learn how to access and adjust notification settings and turn notifications on or off.

Sounds & alerts

Change volume settings, ringtones, notification alerts, and do not disturb mode.