AT&T Z221

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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 Z221

Download Content with the AT&T Z221

Save Bookmarks for the AT&T Z221

Uninstall or Remove Content with the AT&T Z221

Browser options

Access the Browser Settings for the AT&T Z221

Clear the Cache for the AT&T Z221

Enable or Clear Cookies for the AT&T Z221

Calling & contacts

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

ARTICLES

Check Dialing Restrictions for the AT&T Z221

Activate or Deactivate Call Forwarding with the AT&T Z221

Use Call Waiting or 3-Way Calling with the AT&T Z221

Hide or Show Caller ID for the AT&T Z221

Save, Edit, or Delete Contacts with the AT&T Z221

Place, Receive, or Reject a Call with the AT&T Z221

Create, Remove, or Use Speed Dial Contacts for the AT&T Z221

Favorite contacts

Clear Call Lists for the AT&T Z221

Create, Remove, or Use Speed Dial Contacts for the AT&T Z221

In-call options

Access the AT&T Z221 Menu During a Phone Call

Enable or Disable the AT&T Z221 Speakerphone

Mute a Call with the AT&T Z221

Connectivity

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

ARTICLES

Activate or Deactivate Bluetooth for the AT&T Z221

Activate or Deactivate the Flight Mode for the AT&T Z221

Select a Network for the AT&T Z221

Signal & cellular data

Check the Signal Strength for the AT&T Z221

Check the Wireless Data Availability for the AT&T Z221

Troubleshoot Wireless Data Service Availability for the AT&T Z221

Device info

Get device details and technical specs.

ARTICLES

Change the Earpiece Volume for the AT&T Z221

AT&T Z221 Device Label

AT&T Z221 Keypad Layout

Remove or Insert the SIM Card for the AT&T Z221

Enter Text or Insert Pauses with the AT&T Z221

AT&T Z221 Menu Layout

Display Own Number with the AT&T Z221

AT&T Z221 Icons

Turn the AT&T Z221 On or Off

AT&T Z221 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 Z221

Messaging settings

Access or Change the SMS Message Center Number for the AT&T Z221

Configure Multimedia Messaging (MMS) Settings with the AT&T Z221

Key features & apps

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

ARTICLES

Record a Sound Clip with the AT&T Z221

Photos, videos, and media

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

ARTICLES

Take a Picture with the AT&T Z221

Record a Video Clip with the AT&T Z221

Send, Receive, or Delete a Picture, Audio, or Video Multimedia Message (MMS) with the AT&T Z221

Security

Learn how to find your device and secure your info.

ARTICLES

Lock or Unlock the AT&T Z221

Set or change password security

Set the PIN Code for the AT&T Z221

Set the Security Code for the AT&T Z221

Settings

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

ARTICLES

Change the Ringtone for the AT&T Z221

Set the Time and Date for the AT&T Z221

Activate the Vibrate Mode for the AT&T Z221

Change the Language for the AT&T Z221

Change the Ring Volume for the AT&T Z221

Change wallpaper

Apply a Graphic with the AT&T Z221

Change the Profile for the AT&T Z221

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 Z221

System

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

ARTICLES

Check the Available Memory for the AT&T Z221

Tools

Learn how to view your recent call history.

ARTICLES

View Call History Log with the AT&T Z221

Troubleshooting

Explore ways to resolve device issues or reset your device.

ARTICLES

Perform a Master Reset for the AT&T Z221

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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?

Fix common service and device problems.