Device help

Explore tutorials and more for your device.
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LG G4 (H810)

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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 LG G4 (H810)

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Block calls

Block or unblock calls from your device.

Call forwarding

Manage call forwarding from your device.

Caller ID

Show or hide your caller ID when making calls.

Conference calling

Add another person to your call, merge calls, place someone on hold and more.

Contacts

Add, view, delete, and customize contacts by adding a picture or ringtone.

In-call options

Learn what features are available while on an active call.

Make & receive a call

Place, receive, and reject a call.

Make & receive an AT&T Video Call

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

Speed dial

Use speed dial and manage speed dial contacts.

Wi-Fi calling

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

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Airplane mode

Turn Airplane mode on and off.

Bluetooth

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

Mobile hotspot

Set up your device as a personal hotspot and share your data connection with Wi-Fi-capable devices.

NFC

Use NFC to share content such as photos and contacts between compatible devices.

Signal & cellular data

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

Wi-Fi

How to connect to a Wi-Fi network.

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Specifications

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

Add apps to home screen

Add, move, or delete Apps, shortcuts, n widgets from your home screen

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 having done a factory reset.

Gestures & navigation

Control your device by making specific movements with your hand.

Google sign-in

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

Keyboard & typing

Cut and paste, use speech-to-text, and access keyboard settings.

Learn & customize the home screen

Add shortcuts and widgets, access the notification panel, changing wallpaper, and more.

Phone assembly

Install and remove the SIM and battery.

Power device on or off

Turn your device on and off.

Search

Perform a text and voice search on your device and how to adjust search settings.

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Available memory

Check the available device storage.

Find IMEI & serial number

View the device IMEI, phone, SIM (ICCID) and serial number.

Software update

Learn how to update the software of the LG G4 (H810).

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.

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App troubleshooting

Use application manager and usage manager to improve your app and device performance.

Reset device

Perform a soft, factory, and alternate master reset of the device.

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Access voicemail

Check your voicemail messages.

Change or reset voicemail password

Reset a forgotten password or change an existing voicemail password.

Manage voicemail settings & security

Learn how to manage your voicemail, including recording a personal greeting and changing your password.

Set up voicemail

Set up voicemail on your device.

More Topics

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AT&T Navigator

Get directions and navigation using ATnT Navigator.

Browse the Web

Browse the web, manage browser tabs, and bookmarks.

Browser options

Access browser settings to clear history, set homepage, adjust text size, manage pop-up, change the default browser, and restore default settings.

Download apps & games

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

Mobile Wallet

Use your device like a credit or debit card to make payments at retail and online locations.

Remove an app

Remove an icon from your home screen and delete apps from your device.

View or close running apps

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

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AT&T Mobile Transfer

Move contacts, messages, music, and other data to your new device using ATnT 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

Backup Google account data in the event you have to replace or reset your device so you can restore later.

Backup & restore with memory card

Backup contacts, photos, and files to increase device memory or transfer to another device.

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Battery life

Tips and tricks to extend your battery performance.

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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

Change text (SMS), picture (MMS), Advanced Messaging, wireless emergency (WEA), and 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 corporate email

Add your Exchange email account to sync email, contacts, calendar, and notes to your device.

Set up personal email

Add your personal email account to sync email, contacts, calendar, and notes to your device.

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QuickMemo+

Create a memo or note and insert reminders, location information, images, videos, audio, and more.

Screen projecting

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

Voice control

Use voice commands to control your device and access voice control settings.

AT&T Personal Cloud

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

Calendar

Access the calendar and manage events.

Dual window

Use Dual Window to have two apps open at the same time.

HBO Max

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

QSlide

Add an overlay on your phone's display for easy multitasking

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Camera & video settings

Manage camera and video settings including flash, timer, voice control, recording mode, storage location, and more.

Play music

Play music, turn the music player off.

Take a picture or video

Take a screenshot, edit a picture or video, use the front and rear camera, and switch between camera and video modes.

Transfer media to & from computer

Transfer files to or from your device and a computer.

View & share photos or videos

Access, view, and share your photos and videos.

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Anti-theft

Set up your device so you can remotely locate and control.

AT&T Mobile Security & Call Protect

Find out how our apps can help keep your mobile data secure and prevent fraud and nuisance calls

Reset pattern lock

Reset a forgotten pattern lock.

Secure my device

Lock the device screen, set and change security lock, and locate device.

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Accessibility

Turn on features such as TalkBack, Hearing aid mode, and more.

Date & time

Set the date and time.

Display

Change the display time out, brightness and orientation.

Sounds & alerts

Change volume settings, ringtones, and notification alerts.

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