ZTE Maven 2 (Z831)

Device help

Find step-by-step help for your device.
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Browse the Web

Browse the web, use browser tabs and bookmarks, and access browser settings to clear history, manage pop-ups, adjust text size, and more.

Download apps & games

Download/return/update/reinstall apps, games, music, movies, and more using Play Store.

Remove an app

Move or uninstall Apps from your home screen, and delete apps from your device.

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 ATnT Mobile Transfer.

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.

Fix backup, sync, restore, or transfer issues

Start a flow to troubleshoot backup, sync, restore or transfer issues.


Battery life

Tips and tricks to extend your battery performance.

Charge the battery

Tips on charging your battery.


Block calls

Block or unblock calls from your device.

Call forwarding

Manage call forwarding from your device.


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

Fix call forwarding or caller id issues

Start a flow to troubleshoot call forwarding or caller ID issues.

Fix phone call issues

Start a flow to troubleshoot phone call issues.

In-call options

Learn what features are available while on an active call. Use your volume, hold, mute and speaker phone buttons; access your contacts, dialpad and home screen; return to an active call and end a call.

Make & receive a call

Place, receive, and reject a call, use speed dial and make a conference call.


Airplane mode

Airplane Mode disables all wireless services (calls, data and text messages) on the device. Disable Airplane mode to restore regular functions.


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

Fix Bluetooth issues

Start a flow to troubleshoot Bluetooth issues.

Fix hotspot issues

Start a flow to troubleshoot hotspots issues.

Fix Internet issues

Start a flow to troubleshoot internet issues.

Fix Wi-Fi issues

Start a flow to troubleshoot Wi-Fi issues.

Mobile hotspot

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

Signal & cellular data

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


How to connect to a Wi-Fi network.


Activate AT&T PREPAID account

Learn how to activate an AT&T PREPAID account on your device, online, or over the phone.

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 access Play Store, sync Gmail, Chrome, YouTube, Google Maps, and more.

Keyboard & typing

Navigate your keyboard, use speech-to-text, copy and paste text, use one handed operation, and access keyboard settings.

Learn & customize the home screen

Choose your wallpaper, change your device theme, and update your home screen panels.

Manage AT&T PREPAID account

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

Phone assembly

Install the SIM and MircoSD card.

Power device on or off

Turn your device on and off.


View your device's SIM card type, OS, network technology, operating frequencies, physical characteristics and storage.


Block messages

Block messages from your device.

Email settings

Access and manage email settings such as signature, sync frequency, delete an account, and add an account.

Fix email issues

Start a flow to troubleshoot email issues.

Fix messaging issues

Start a flow to troubleshoot messaging issues.

Messaging settings

Manage messaging settings such as notification alerts, message limits, emergency/AMBER alert settings.

Send & receive email

Send and receive email, add and download email attachments, refresh the inbox, respond to an email, view and save an attachment, and delete an email.

Send & receive messages

Create and respond to text (SMS) or picture (MMS) messages, add, save, and view received attachments, respond to messages, and delete a message.

Set up email

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


Voice control

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


Access the calendar to create, edit and delete events.


Watch, search, and record your favorite movies and shows, and turn your device into your remote control, with the DIRECTV app on your phone.


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


Camera & video settings

Manage camera and video settings including picture size, shutter tone, storage location, and more.

Fix audio issues

Start a flow to troubleshoot audio issues.

Fix camera issues

Start a flow to troubleshoot camera issues.

Take a picture or video

Take and 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.



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 or unlock your display, set a screen security lock type (pin, password, pattern) get your PUK code, or request your device be unlocked from the ATnT network.



Accessibility features allow you to improve the usability of your device for users affected by impaired vision or hearing, cognitive difficulty, or reduced dexterity.

Date & time

Set the date and time.


Change the display brightness, time out, and orientation.


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

Sounds & alerts

Change volume settings, ringtones, and notification alerts.


Available memory

Check the available device storage.

Find IMEI & serial number

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

Fix software update issues

Start a flow to troubleshoot software update issues.

Software update

Learn how to update the software of the ZTE Maven 2 (Z831).

Software version

Determine your current device software version and check for updates.

View & manage data

View data usage, set data limits, and see the apps using the most data.


App troubleshooting

Use application manager to improve your app and device performance.

Fix contacts and photos issues

Start a flow to troubleshoot contacts or photos issues.

Fix Internet issues

Start a flow to troubleshoot internet issues.

Fix messaging issues

Start a flow to troubleshoot messaging issues.

Fix phone call issues

Start a flow to troubleshoot phone call issues.

Fix power and battery issues

Start a flow to troubleshoot power and battery issues.

Fix screen issues

Start a flow to troubleshoot screen issues.

Fix SIM card issues

Start a flow to troubleshoot SIM card issues.

Fix voicemail issues

Start a flow to troubleshoot voicemail issues.

Reset device

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


Access voicemail

Check your voicemail messages.

Change or reset voicemail password

Reset a forgotten password or change an existing voicemail password.

Fix voicemail issues

Start a flow to troubleshoot voicemail issues.

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, check messages, and change or reset password.