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Sony Ericsson Z750 Phone, Purple (AT&T)

3.0 out of 5 stars 11 customer reviews

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Product Features

  • Weight: 12.96 ounces
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Product Description

The Sony Ericsson Z750a clamshell phone is ready to access your favorite streaming music and video thanks to its tri-band 3G connectivity, which makes it easy to download music purchased from AT&T Mobile Music, stream tunes from Napster and eMusic, and watch video streamed from CNN and Comedy Central via AT&T's Cellular Video. This phone also offers quad-band GSM connectivity for easy globetrotting. Stylishly accented with curved corners and a mirror-finish, the Z750a also has a hidden external display that only lights up when your phone is in use (such as when a call comes in). Other features include an internal 320 x 240-pixel screen, Memory Stick Micro expansion, full HTML browsing with RSS feeds, and Exchange ActiveSync for push email, calendar and contact synchronization.

The Z750a has an external display, but you only see it when your phone is in use.
AT&T Service
Compatible with AT&T's 3G mobile broadband data network, which is available in most major metropolitan areas, this phone offers tri-band HSDPA/UMTS connectivity (850/1900/2100 MHz). You'll get average download speeds of around 1.5 megabits per second (Mbps) and speed bursts up to 3.6 Mbps, as well as simultaneous voice and data services. Multi-task while you are on a call--search for movies times, look up directions, or send messages. You'll also get more done with faster access to email, and enjoy speedy Internet connectivity with richer graphics and easy-to-use personalization options.

In areas where 3G network access 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 high-speed color Internet access and email on the go. You'll also enjoy quad-band GSM connectivity, which allows you to make calls in more than 190 countries and access data applications in the more than 135 countries where AT&T offers international data roaming.

With 3G connectivity, you'll be able to access AT&T's Cellular Video (CV) service and the Internet while on the go. Cellular Video features content from CNN, The Weather Channel, iFilm, Comedy Central and exclusive premium content from HBO and much more. It also features AT&T Mobile Music, which provides access to Napster and eMusic subscription services as well as Music ID song-recognition software, music videos and The Buzz music news portal. The handset is XM Radio Mobile-capable, so you can enjoy streaming live digital radio as well. (An AT&T MEdia Max subscription bundle is recommended for accessing AT&T's Internet, video, and music services.)

The Z750a 3G phone is compatible with AT&T Music, Cellular Video, and XM Radio services.
Phone Features
The Z750a has an internal 2.2-inch LCD that provides 262K colors for excellent depth and a 240 x 320-pixel resolution. The external monochrome OLED display has a resolution of 36 x 128 pixels, and it displays current time as well as battery level. It also offers four-way toggle navigation surrounded by a backlit ring, a backlit numeric keypad with tactile feedback, two soft keys, and a Web browser shortcut key. The phone has a slot on the left spine for using Memory Stick Micro (M2) media and a dedicated music player button on the right side. This phone can store up to 1000 contact entries, each with fields for five phone numbers as well as the ability to save callers to groups and pair contacts with a ringtone.

While this isn't one of Sony Ericsson's Walkman digital audio player-equipped phones, the Z750a does offer multiformat music playback that includes MP3, WMA (unprotected), and AAC, as well as such features as shuffle and loop modes, stereo widening, and an equalizer. Additionally, you'll be able to purchase and download real-music ringtones (72-chord polyphonic) in a variety of formats (MP3, MP4, AAC, AAC+, eAAc+, WMA, WAV). You also get a built-in FM radio with RDS, which displays the name of the currently playing song (when tuned to compatible radio stations). With the TrackID service, you can identify any song that you can hear by just recording a snippet of sound using the microphone. It also includes a flight mode that lets you keep listening to tunes with the phone's network connectivity turned off.

This phone provides Bluetooth version 2.0 wireless connectivity with EDR (enhanced data rate), and includes profiles for communication headset, handsfree car kits, and audio/video remote control. With the A2DP Bluetooth profile, you can stream your music to a pair of compatible Bluetooth stereo headphones. You can connect your laptop (either via Bluetooth or wired USB) and enjoy dial-up networking--surf the Internet, send email, and access files from a server.

The built-in 2.0-megapixel camera captures stills in three resolution modes (1600 x 1200, 1280 x 960, and 640 x 480 pixels), and it includes a number of options to help you create great shots, including a 2.5x digital zoom, two quality settings, three color effects, night mode, and white balance and brightness adjustments. You can also shoot video to your heart's delight (as long as you have space on your memory card), or limit it to 25 seconds for sending to friends and family via MMS. It provides support for PictBridge technology so you can print your photos without the need of a PC (either using USB or Bluetooth), and this phone makes it easy to send snapped photos directly to a blog or an online photo, complete with text.

The phone also ships with a built-in email client with support for POP3 and IMAP4 protocols (with easy setup for receiving AOL, MSN and Yahoo! mobile mail), while the included Access NetFront Web Browser allows you to surf full HTML web sites. It also supports RSS feeds, allowing you to use your phone to view up-to-the-minute news and other content from selected Web sites and blogs. Just subscribe to the feed and let it come to you. Support is built in for sending and receiving text, video, graphics and sound via messaging, and you can also chat via instant messaging with built-in support for AIM, Yahoo! and MSN chat services.

The Z750a is one of Sony Ericsson's first mobile phones based on Java Platform 8 (JP-8), which supports a range of new Java programming features including instant messaging/chat and presence based functionality, banking and payment transactions, user identification and authentication through secure encryption technology, mapping, and other location-aware applications.

Other features include:

  • USB 2.0 wired connectivity with mass storage capability
  • PIM functions including calendar, tasks, notes, alarm, calculator, stopwatch, and timer
  • T9 text entry technology
  • Vibrating alert
  • Speakerphone
  • Voice recorder
  • SMS (text) and MMS (multimedia) messaging
  • Hearing aid compatibility: M3, T3
  • Bluetooth profiles: A2DP (stereo music streaming), AVRC (remote control), HFP (hands-free car kits), HSP (communication headsets), BIP (for sending images to another device), DUN (dial-up networking), FTP (file transfer), HID (support for mice or joysticks), OPP (object push for business cards or calendar items), PAN (personal area networking), PBA (transfer contacts)

Vital Statistics
The Z750a weighs 3.88 ounces and measures 3.83 x 1.93 x 0.79 inches. Its 950 mAh lithium-polymer battery is rated at up to 9 hours of talk time, and up to 400 hours of digital standby time. It runs on the 850/900/1800/1900 GSM/GPRS/EDGE frequencies as well as the HSDPA/UMTS 850/1900/2100 network.

Product Information

Product Dimensions 5.2 x 5.2 x 3.4 inches
Item Weight 13 ounces
Shipping Weight 8 ounces
Customer Reviews
3.0 out of 5 stars 11 customer reviews

3.0 out of 5 stars
Best Sellers Rank #1,883,638 in Cell Phones & Accessories (See Top 100 in Cell Phones & Accessories)
#16,214 in Cell Phones & Accessories > Unlocked Cell Phones

Warranty & Support

Product Warranty: For warranty information about this product, please click here


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Customer Questions & Answers

Customer Reviews

Top Customer Reviews


Amazon won't let me change my star rating for this review, just the text so here's my change ... DO NOT BUY THIS PHONE! What a piece of junk this turned out to be! It randomly shuts itself off and then, most of the time, turns itself back on. There's no rhyme or reason to when it does this either. I can be on the phone, have just ended a long call, have just ended a short call, just starting a call or haven't used the phone for hours. Doesn't matter if calls are outgoing or incoming. When I called AT&T about this problem they told me it must be due to something I did, such as "expose the phone to humidity." I was told that if I used the phone outside on a humid day, then the problem was caused by me and not covered by warranty. I have also met other Z750a owners that have this same problem.


Original review:
I was extremely happy to find a purple phone, loved the specs and ordered it immediately. I *love* this phone! The battery life does not, in any way, live up to the specs and has to be recharged more often than I prefer. I'd like to be able to change which options are listed when you open the phone [ie Calls, MEdia Net and Menu] and I'd like a quicker way to access my ring tone files. The external display is really neat, but impossible to read in sun light. Other that those four things, I really love this phone! The phone doesn't come with a lot of ring tones and only has two preloaded themes, but as soon as I got my USB cable, I loaded up what I wanted and it's great. The voice quality is fantastic and I love that it has the option for ring with vibrate. Out of all the phones I've had over the past 14 years, this is the best. Plus, the Sony Ericsson online chat support was really great when I had an issue with the software.
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Unless you live in a city that has a flawless 3G data network set up by ATT (like San Francisco) you are going to get 2 days of standby, not 16 and maybe 2 hours of talk time, not 9 as is claimed by Sony and confirmed on other internet review sites. Most of these internet tech site review guys live on the West Coast, where ATT has modernized their cell data network, so their numbers and yours may not correspond.

I live in Manhattan and even here ATT's 3G network has crappy coverage, meaning the 750 burns up a lot of power trying to reach the 3G network, which is what cuts the battery life down. If you could disable the 3G network search and stick to the ATT Edge network, you could probably triple the battery life as the Edge network uses less power and is also stronger in more ATT coverage areas. Sony has network tuning available on unbranded 750s, but the powers at ATT have disabled this feature, so you are stuck with perpetual energy expenditure used to search for the elusive 3G network. If I even used the internet much, this might be more acceptable, but I use maybe 5 minutes of internet each week and in exchange I get an 80% battery life hit.

The phone is not bad in other ways, having a pretty large screen, many excellent features, and a decent interface. However, you can't use the digital zoom on either 1 or 2 MP settings, only on VGA mode, so if you want good quality pics, you lose zoom ability, a step backwards from other recent Sony phones. The plastic case also feels flimsy, and the hinge flexes a lot when you open and close the shell, suggesting a potentially short lifespan and limited durability. Ultimately though, having to recharge every 48 hours is too much to ask of a user, and the phone's battery also dies unexpectedly and non-geometrically (i.e.
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There is obviously a problem with the original battery. See the forum on I called SEMC and requested a replacement battery, which they sent promptly for no charge and with minimal fuss. The original battery life was about 2 days. With the new battery I am at one week and counting. Mom has the same phone and she's at about 3.5 days between charges. I'm going to call and request a new battery for her phone as well.
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I picked up this phone (2 actually) for $50 each after rebates. Call quality if excellent. Has Walkman-like media player for music and video and podcasts, audio books. Megabass for headsets, but no stereo speakers on unit (there are lots of external speakers though). When on 3G you can surf and talk at the same time.

First, make sure you get a unlimited data plan. There is one for $15/mo. (at this time). You can tether with this phone on that plan. Download the PC software from SE's website to sync the phone to your Outlook or other contact list. Can sync with bluetooth or data usb cable (proprietary)

Then decide if you really want TV or XM radio on the phone. The TV is clips few of which are updated daily unless you subscribe, a few music videos etc. XM is a $9.95 subscription. MLB Game Day is also an subscription. If you don't want these things (and will never buy anything from the ATT Media Mall), then spend $16 or so, and debrand the phone and uncover a gem.

Here's a partial list of what you can gain:

1. GPS - I get accuracy to 10 meters, works best in car with charger attached, can drain battery in 2 hours or less. Must use 2007 NavTec Google Map app in firmware, newer Google won't work as well. Locator Services can be left active and minimized so that Google will immediately know where you are. But do it connected to a charger! Also AmAze navigator (the version for the C702, I think) will work on the phone giving you turn by turn navigation for free. (don't look at the phone while driving it's too small)

2. TrackId is now free rather than a subscription. I don't know why anyone would actually pay for this monthly. While I am sometimes curious as to what I'm hearing, I'm not paying $5/mo to find out one or two songs.
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