ZTE Z331

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Device diagram

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App management

Learn how to view, close, or remove apps on your device.

ARTICLES

Access the Internet with the AT&T Z331

Download Content with the AT&T Z331

Save Bookmarks for the AT&T Z331

Uninstall or Remove Content with the AT&T Z331

AT&T Navigator

Create a Route using AT&T Navigator with the AT&T Z331

Set Up My Favorites using AT&T Navigator with the AT&T Z331

Browser options

Access the Browser Settings for the AT&T Z331

Clear the Cache for the AT&T Z331

Enable or Clear Cookies for the AT&T Z331

Calling & contacts

Find out how to block calls, use Wi-Fi Calling, and more.

ARTICLES

Check Dialing Restrictions for the AT&T Z331

Activate or Deactivate Call Forwarding with the AT&T Z331

Use Call Waiting or 3-Way Calling with the AT&T Z331

Hide or Show Caller ID for the AT&T Z331

Save, Edit, or Delete Contacts with the AT&T Z331

Clear Call Lists for the AT&T Z331

Place, Receive, or Reject a Call with the AT&T Z331

Create, Remove, or Use Speed Dial Contacts for the AT&T Z331

View or Clear Call Timers for the AT&T Z331

In-call options

Access the AT&T Z331 Menu During a Phone Call

Mute a Call with the AT&T Z331

Connectivity

Use hotspots, connect to Wi-Fi, turn data on or off, and more.

ARTICLES

Activate or Deactivate Bluetooth for the AT&T Z331

Activate or Deactivate the Flight Mode for the AT&T Z331

Select a Network for the AT&T Z331

Signal & cellular data

Check the Signal Strength for the AT&T Z331

Check the Wireless Data Availability for the AT&T Z331

Troubleshoot Wireless Data Service Availability for the AT&T Z331

Device info

Get device details and technical specs.

ARTICLES

Change the Earpiece Volume for the AT&T Z331

AT&T Z331 Device Label

AT&T Z331 Keypad Layout

Remove or Insert a Memory Card for the AT&T Z331

Remove or Insert the SIM Card for the AT&T Z331

Enter Text or Insert Pauses with the AT&T Z331

AT&T Z331 Menu Layout

Display Own Number with the AT&T Z331

AT&T Z331 Icons

Turn the AT&T Z331 On or Off

AT&T Z331 Specifications

Email and messaging

Set up and adjust your email or messaging settings with ease.

ARTICLES

Send, Receive, or Delete a Text Message (SMS) with the AT&T Z331

Messaging settings

Access or Change the SMS Message Center Number for the AT&T Z331

Configure Multimedia Messaging (MMS) Settings with the AT&T Z331

Key features & apps

Explore what your device can do and how to use it.

ARTICLES

Record a Sound Clip with the AT&T Z331

Photos, videos, and media

Look at photos, watch videos, listen to songs, and more in just a few taps.

ARTICLES

Play a Music File with the AT&T Z331

Take a Picture with the AT&T Z331

Record a Video Clip with the AT&T Z331

Sideload (Transfer Music) from a Personal Computer (PC) to a AT&T Z331

Send, Receive, or Delete a Picture, Audio, or Video Multimedia Message (MMS) with the AT&T Z331

Security

Learn how to find your device and secure your info.

ARTICLES

Lock or Unlock the AT&T Z331

Set or change password security

Set the PIN Code for the AT&T Z331

Set the Security Code for the AT&T Z331

Settings

Check your battery life, adjust sound, set up alerts, and more.

ARTICLES

Enable or Disable Touch Tones (DTMF) for the AT&T Z331

Change the Ringtone for the AT&T Z331

Set the Time and Date for the AT&T Z331

Change the Language for the AT&T Z331

Activate the Vibrate Mode for the AT&T Z331

Change wallpaper

Apply a Graphic with the AT&T Z331

Change the Profile for the AT&T Z331

Volume

Change the Ring Volume for the AT&T Z331

Enable or Disable the AT&T Z331 Speakerphone

Software

Learn where to find the version of software running on your device, and to update it.

ARTICLES

Determine the Firmware Version for the AT&T Z331

System

Update device software, check data use, and manage device memory with ease.

ARTICLES

Check the Available Memory for the AT&T Z331

Tools

Learn how to view your recent call history.

ARTICLES

View Call History Log with the AT&T Z331

Troubleshooting

Explore ways to resolve device issues or reset your device.

ARTICLES

Perform a Master Reset for the AT&T Z331

View user manual

Device diagram

Get insurance & warranty info

Common device tutorials

Activate device

Block or unblock calls

Manage data usage

Unable to make calls or texts

Voicemail setup

Having device issues?

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