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AT&T Z331 Phone (AT&T)
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AT&T Z331 Phone (AT&T)

by AT&T
2.5 out of 5 stars  See all reviews (15 customer reviews)

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Technical Details

  • Slim, uncomplicated flip phone for easy voice and text communication
  • Runs on AT&T's 3G network; optional AT&T Navigator GPS turn-by-turn directions
  • 3-megapixel camera/camcorder; microSD memory expansion (to 8 GB); Bluetooth stereo music; access to personal e-mail
  • Up to 3 hours of talk time, up to 192 hours (8+ days) of standby time; released in September, 2011
  • What's in the Box: handset, rechargeable battery, charger, quick start guide
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Product Details

Product Description

Stay connected to friends and family with the AT&T Z331, an uncomplicated flip phone that includes lightning quick HSPDA 3G speeds and integrated GPS. Snap still photos and videos with the 3-megapixel camera, sent text and multimedia messages, access personal e-mail, browse the web via, and much more.

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The 3G-enabled AT&T Z331.

Enabled for use on AT&T's lightning quick HSPDA 3G network, you'll be able to easily access the Internet as well as quickly download video, music and more. Additionally, with AT&T's 3G network, you can make a call while simultaneously receiving picture/text messages and e-mail or viewing Web pages. This GPS-enabled phone can access the AT&T Navigator service for turn-by-turn directions.

Other features include Bluetooth for hands-free devices and stereo music streaming, memory expansion via optional microSD cards (up to 8 GB), music player and access to personalized radio stations via the optional AT&T Music service, and up to 3 hours of talk time.


  • Fast 3G connectivity via AT&T's HSDPA/UMTS network (850/1900 MHz bands; 3.6 Mbps speeds).
  • Onboard GPS for navigation and location services
  • Optional AT&T Navigator service includes audible turn-by-turn directions, real-time traffic updates, and re-routing options.
  • Bluetooth connectivity (version 2.0) includes communication headset, hands-free car kits, and the A2DP audio streaming Bluetooth profiles.

Design and Hardware

  • 2.4-inch internal display (262K color depth)
  • 1.46-inch OLED external color display alerts you to battery status, new messages, and missed calls.
  • Removable battery

Communications & Internet

  • Full messaging capabilities including SMS text, MMS picture and IM instant messaging (via popular services including AOL, Yahoo!, and Windows Live).
  • Personal e-mail capabilities
  • Mobile web browser


  • 3-megapixel camera with 4x digital zoom
  • Video capture capabilities


  • Music player compatible with MP3, WMA, and AAC/AAC+
  • AT&T Music service with personalized radio stations (additional charges applicable)


  • Memory expansion via microSD card slot with support for optional cards up to 8 GB.

More Features

  • Store up to 500 contacts
  • Speakerphone for hands-free communication.
  • Hearing Aid Compatibility: M3, T4

Vital Statistics

The AT&T Z331 weighs 3.9 ounces and measures 3.86 x 2.03 x 0.67 inches. Its 950 mAh lithium-ion battery is rated at up to 3 hours of talk time, and up to 192 hours (8+ days) of standby time. It runs on the 850/900/1800/1900 MHz GSM/GPRS/EDGE frequencies as well as AT&T's dual-band 3G network (850/1900 MHz; HSDPA/UMTS).

What's in the Box

AT&T Z331 handset, rechargeable battery, charger, quick start guide

AT&T Services

High-speed data connectivity via AT&T's 3G mobile broadband data network: The dual-band 850/1900 MHz 3G network provides up to 3.6 Mbps of download speed, making it possible to enjoy a variety of feature-rich wireless multimedia services, and it gives you the advantage of offering simultaneous voice and data services.

In areas where the 3G network is not available, you'll continue to receive service on the AT&T EDGE network, which offers availability in more than 13,000 US cities and along some 40,000 miles of major highways. Providing average data speeds between 75-135Kbps, it's fast enough to support a wide range of advanced data services, including full picture and video messaging, high-speed color Internet access, and email on the go.

The full-featured, premium AT&T Navigator GPS navigation application includes audible turn-by-turn directions, real-time traffic updates and re-routing options, and 3D moving maps (additional charges applicable). AT&T Navigator offers several other features to make your commute more enjoyable and reliable, including mobile access to Additionally, AT&T Navigator is the only mobile phone-based GPS service that provides integrated speech recognition for address entry and points of interest search.

Customer Reviews

Most Helpful Customer Reviews
10 of 11 people found the following review helpful
1.0 out of 5 stars I Don't Recommend January 27, 2012
This is the worst phone I have ever had. I wrote a review about this phone on AT&T's website and they rejected it. This phone will not sync up to your computer. I bought the mini-memory chip that a phone represenative suggested and it still would not sync with my computer. The only way that you can change ringtones, themes, and etc. with this phone is by downloading them via internet. This will, of course, incur data usage. Also, since you are unable to sync this with your computer what is the purpose of taking photos with it. Don't waste your money buying this phone.
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5 of 5 people found the following review helpful
1.0 out of 5 stars NO NO NO NO pc connection August 11, 2012
By C. S.
Pictures you take on this phone are not downloadable to your PC. The USB cable will charge the phone, but no data transfer. The phone has a setting for PC connect, but it does NOT NOT work. You may be able to buy and install memory and then physically take out the memory and read it, I have not tried that yet. NO NO NO NO NO PC connection and NO NO NO NO NO download of pictures to pc. You are now informed.
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7 of 8 people found the following review helpful
5.0 out of 5 stars Awesome Basic Phone with EXTRAS February 4, 2012
This phone is a basic flip phone. However, it has a large dial keypad with predictive texting, a camera, games, an alarm, as well as other extras. I have found the battery life to be great, and the compact size allows me to carry it in my pocket. I recommend this phone for anyone who wants a reliable yet basic phone.
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6 of 7 people found the following review helpful
3.0 out of 5 stars battery not a problem February 16, 2012
By tasha
We have 2 of these phones. One was always low on battery within 2 days. Then we realized when at work for an 8 hour day there was no cell service in the building so the phone was constantly searching for a signal, hence low battery. Just shutting off the phone while at inside the building and the battery has normal life.
Large buttons & screen make this phone easy for seniors. Phone menu seems overly complicated.
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13 of 17 people found the following review helpful
1.0 out of 5 stars Nice looking phone. Zero battery life. January 9, 2012
By Mark36
This could have been a great phone, but the battery is worthless......

I upgraded to this phone because it has a large visable display and oversized buttons. I thought this would be the ideal phone for me since I average only about six calls and maybe a couple of text messages per week.

The battery life is NON-EXISTANT.

Battery goes dead in less than 6 hours. This is with zero calls or texting. Phone is advertised for 200 hours of "on" time if phone is not being used. AT&T sent me a new charger and battery and the phone is still virtually useless.

I've been either to the AT&T store and have called them almost 20 times. There is a $.99 fix (for AT&T, astronomical for me), but since I got this "new" upgrade, I don't qualify. Hummmm, $.99 vs a 30+ year customer?

In accordance with their instructions, I charged the phone with the phone "off" for eight hours. All subsequent charings are with the phone "off" for two hours. Can't leave it on overnight, because it will beep when the battery runs down.

I cannot believe that they advertise 180 minutes of talk time and 8 days of standby time. I get about 15 minutes of talk time and less than 6 hours of standby time.

This phone looks nice, but its battery performance is zilch.
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11 of 15 people found the following review helpful
1.0 out of 5 stars Buyer Beware January 21, 2012
Reviewed all sorts of stats, looked like a winner for a basic telephone. We did not want a data package so no smart phone was in the picture. "Upgraded" because we thought, new phone, better battery life, more mega pixels on the camera, still a flip design,
"free" upgrade what could be better. Well this truly was a bad move, we ordered 2.

1. Battery life was no better, if not worse, than over 2 year old Nokias.
2. I have not been able to shoot a good picture yet with this thing.
3. Answering when you open the phone was NOT the default setting, but we worked through that resetting.
6. On top of all that, even though we ordered this "Free" phone, changed out the SIM cards ourselves, with ZERO ATT involvement we were charge the activation fee. I know that is what is started to happen, but it is ridiculous of ATT to charge the long time customers. I digress, sorry had to get it off my chest. Now we are STUCK for another 2 years, ARGH!

THE GOOD:Call quality is ok, the Nokias we had had gotten to the point that we were getting "no signal" when we reside 2.5 miles from the nearest cell tower.

Bottom Line: ATT WANTS you to have this phone, so they can make money from people doing the same thing they have done for years, if they are flip phone users. DO NOT PURCHASE THIS PHONE.
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2 of 2 people found the following review helpful
1.0 out of 5 stars Worst phone ever! December 6, 2012
This is the worst phone I have ever used. It is like using a 10-year old computer laden down with spyware--it is so slow. Every push of a button requires waiting for about 1-2 seconds for the phone to respond. Anybody with a smartphone will send you 10 messages for every message you send back. Try texting with this and you will be pulling your hair out. Don't buy this phone. I paid about $10 for it after mail-in-rebates, and if I was to do it again, I wouldn't use it even if they paid me $100. The voice quality is also very poor. I had to exchange mine as soon as I got it, the next one wasn't much better. No one can understand my voice over the phone unless I hold the phone in exactly the right spot. Even then the quality is very poor. One star only because I can't go lower. It should get minus five stars. I finally upgraded to the iPhone 4S. I'm taking this one to the shooting range tomorrow to put a .357 hole right thru it.
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Most Recent Customer Reviews
5.0 out of 5 stars Looking for a basic phone that takes & makes calls? This is it
Nothing fancy here just a good small flip phone that fits in your pocket. If you feel you need to text, go for it, it has that capability. Read more
Published 6 months ago by rockinct
1.0 out of 5 stars It won't allow features that I paid for!
This phone is worthless! What a piece of junk. It does not support any features that I need. They're normal features! Whats going on?
Published 21 months ago by Carol Stevens
4.0 out of 5 stars Getting AT&T Z331 photos into your computer
Read the reviews on the ATT Z331. Some criticism about not being able to get the pictures taken from the phone into a PC. It's very simple. Just email the picture to yourself. Read more
Published on November 20, 2012 by Tom
2.0 out of 5 stars below average
Just wanted a basic phone. As such it's meh. Display is not easily visible in sun, not easy to navigate. Read more
Published on September 25, 2012 by Roto guy
5.0 out of 5 stars Great for the basics
We needed two go-phones that would work with bluetooth. We use them only on occasion and for emergencys. Price was a factor. Read more
Published on August 21, 2012 by Kindle Customer
3.0 out of 5 stars Good but some compromises
Large numbers in the display, larger keys, camera works OK, can add memory using flash cards, can transfer photos using bluetooth, can connect to a speaker phone... Read more
Published on July 30, 2012 by Aaron D. Chacon
3.0 out of 5 stars wtf?
So, I've had a smartphone for what seems like forever. I decided I wanted to go simple... Well, I saw this on ATT website for 18.99 for gophone. I bought it. Read more
Published on June 2, 2012 by Jeph
1.0 out of 5 stars Don't buy this phone
Bought this phone. Wrong move. Not simple to navigate. NO music player for MP3 or if there is one it is so hard to find might as well not be there. Read more
Published on May 2, 2012 by Mo
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