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Sony Xperia advance ST27a Yellow 3G Dual-Core 1.0GHz Touch Screen 5.0 MP Camera Unlocked GSM Smart Phone

  • Android v2.3 (Gingerbread), planned upgrade to v4.0
  • Wi-Fi/GPS
  • 3.5" TFT Touch Screen
  • 5.0 MP Camera 720p@30fps, continuous autofocus, video light, video stabilizer HD Video Capture LED Flash
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Xperia™ advance
Made to resist
A slim Android touch phone with extra durability
Available colors
  • color black
  • color white
  • color yellow
Smart, sleek and durable
Ups, downs and sudden showers. We've designed Xperia™ advance to handle everything life dishes out. We gave it a scratch-resistant display, a battery-save mode for when you're running late and made sure it had the highest water and dust resistance of any smartphone. As a final trick, we put all this toughness in an elegant costume. At just 9.8 mm, you'd never guess that slim Xperia™ advance is a giant on durability. Finally, a smartphone that's as stylish as it is strong.
Xperia advance

Strong enough for life's little problems

For something that's such a vital part of life, most smartphones can't handle life's little bumps. Now there's an Android smartphone you never have to worry about. Xperia advance is a dust-proof, water-resistant phone. Sure, you can take it on a hike through the rainforest. But it's made for less dramatic challenges. Like a drop into the flour while you're baking, a "surprise" dive into the fishbowl and whatever else daily life has in store.

Xperia strong phone
Built to outperform

Get the best out of your entertainment on the razor sharp 3.5" Reality Display with Mobile BRAVIA® Engine. Want to watch your favorite show live? Don't like waiting for your top sites to load? The dual core 1 GHz processor means your Xperia™ advance moves as fast as you do. Browse, stream and download what you like in an instant.

Razor sharp 3.5

Life gone documentary

The wiggle of a loose tooth. The mist on your morning jog. Freeze the scene on a 5 megapixel camera that goes from sleep to snap in just over a second. Or capture the sights and sounds of everyday, in high definition video. Get something good? Post it on your favorite social site, or show it on your TV using DLNA®.

5 megapixel camera

Copyright © 2012 Sony Mobile Communications AB. All rights reserved

Music Unlimited & Video Unlimited on Xperia™

Start a dance party in the kitchen. Connect to your TV and host a movie marathon. Choose from your own library of songs and videos, or tap into Sony Entertainment Network. With Music Unlimited, you'll have access to millions and millions of tracks, while Video Unlimited has TV shows and a film catalogue that's bursting with blockbusters. With one account and a digital wallet, it's unlimited entertainment made simple

Music and Video Unlimited

Music Unlimited is a subscription service. Please refer to Terms Of Service for details of fees. Music Unlimited is not available in every market.

Learn more about the Sony Mobile ST27a


This product comes factory unlocked and includes the standard Sony Mobile one year limited warranty for the U.S. with the original purchase.


Xperia advance
Form Factor
Smart Phones


Wireless Radio
GSM 850 / 900 / 1800 / 1900 MHz

UMTS 850 / 1900 / 2100 MHz
Compatible Carrier & Service
AT&T 2G/3G, T-Mobile 2G, Rogers, Fido
AT&T 3G Only
Wi-Fi Support
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, Wi-Fi hotspot
Data transfer


GPS Integrated
A-GPS support
MP3 ringtones

MP3/eAAC+/WMA/WAV player
SMS (threaded view), MMS, IM
Email, Push Email
Additional Function


Operating System
Android v2.3 (Gingerbread), planned upgrade to v4.0
ARM Cortex-A9
CPU Core
CPU Speed
NovaThor U8500 Chipset, Mali-400 GPU
Internal Memory
8 GB storage (4 GB user available), 512 MB RAM
Card Slot
MicroSD(TF Card)
Card Capacity Support
Up to 32GB


Main Display Size
Main Display Color
Main Display Format
Main Display Resolution
480 x 320
Touch Screen
Capacitive Touchscreen


5.0 MP
Camera Zoom
Auto Focus
HD Video Capture
720p@30fps, continuous autofocus, video light, video stabilizer

I/O Interface

Bluetooth Support
Bluetooth v3.0 with A2DP
3.5mm jack, microUSB v2.0


Battery Type
Lithium Ion Battery
Battery Capacity
Talk Time
Up to 6.5 hours (2G) / Up to 5.5 hours (3G)
Standby Time
Up to 520 hours (2G) / Up to 460 hours (3G)
Operating Time
Music play: Up to 45 hours

Video play: Up to 6 hours


SNS integration

MP4/H.263/H.264/WMV player

TrackID music recognition

Google Search, Maps, Gmail, YouTube, Calendar, Google Talk

Document viewer


Touch-sensitive controls

Multitouch: up to 4 fingers

Scratch-resistant glass

Sony Mobile BRAVIA Engine

IP67 certified - dust and water proof (up to 1m for 30 mins)

Geo-tagging, touch focus, face and smile detection, 3D sweep panorama

Sensors: Accelerometer, proximity, compass

HTML5, Adobe Flash

Stereo FM radio with RDS

Voice memo/dial/commands

Predictive text input


4.37" x 2.37" x 0.39"
3.88 oz.

Quick Info


  • Limited Warranty period (parts): 30 days
  • Limited Warranty period (labor): 30 days

Customer Reviews of the Sony Mobile ST27a

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  • Jeff W.
  • 8/27/2013 7:40:34 AM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

4 out of 5 eggsNice phone for the price

Pros: I have had the phone for 2 months and I have been quite happy with it.
-It is waterproof, I took to a water-park and ran a few rides with it accidentally before I realized it was in my shorts!
-Battery life is good, I am not a power talker, less than 1000 minutes a month, I have never needed to charge it during the day, but I use it mostly to text and talk, I am not a big Apps user
- the size is great for dropping in your pocket, but big enough to read on it.

Cons: -really needs to rebooted every day to keep it running smoothly.
-It starts to run sluggish if you have too many things going on at once, Clean Master App comes on to clean out the memory pretty regularly. I do have to a hard reboot sometimes when it gets bogged down.
-GPS take several minutes to find itself sometimes up to 10 minutes sometimes.
-Due to the thinness it can be a bit slick to handle without a case. New egg doesn't have many cases for this I would recommend getting a simple case at the various other on line retailers.
-Not a lot of cases and accessory's for the phone.

Other Thoughts: Over all I am very happy with the phone, I like that it is waterproof because I am very active outdoors. I am thinking on buying a Sony Z, just so I can have a larger screen and keep the waterproof. I like the Sony layout and how the interface works without a lot of extra trash that I don't want or am not allowed to remove.

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  • Dustin B.
  • 7/11/2013 12:55:00 PM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

4 out of 5 eggsNot bad

Pros: - Small, lightweight, waterproof.
- Decent responsive touchscreen.
- 5MP Camera better than many budget Android phones, has really bright flash (that also makes a great flashlight).
- Sony's Xperia/Android interface is pretty good, not too much bloatware (just some "active lifestyle" apps).
- Micro SD expansion (8GB internal memory).
- Newer version of Android (ICS) came pre-installed when I got it. ICS is awesome. Swipe and voice texting and all that good stuff.
- Unlocked from the factory, works fine with my old-as-the-hills Cingular/ATT (yes, that old) Go-Phone SIM.

Cons: - Even though it has a dual-core processor, 500MB of RAM just isn't enough. You'll need a task-killing app for sure. It lags and freezes about once a day. I've heard this is an issue with ICS but I can't compare because my phone came preloaded with it.
- Battery life is not the best. It's fine on standby, but if you have everything on (Wi-Fi, Bluetooth, GPS) and you're watching movies or streaming Pandora, you'll drain the battery as fast as a good laptop (about 4-5 hours). At least it takes a standard Micro USB charger and can charge from a computer. The battery is not replaceable.
- Screen isn't quite up to today's standards. It's small and you can see pixels. But unless you're used to an iPhone or S4 that's not a deal-breaker.
- Camera takes 5-10 seconds to open up. If you're trying to take candid shots, leave the camera on.
- Flaps that cover the headphone and charger jack are a little annoying. I feel I'm going to break them off given enough time.
- The phone feels a little flimsy, even though it isn't really. A lot thinner and lighter than an I-phone (it's about the size of an old-school Razr).

Other Thoughts: This is certainly a "niche" phone, and apparently I was in that niche. I needed a reasonably-priced (although I'm not sure if you can call $200 reasonable) unlocked touch-screen Android phone that could take an AT&T prepaid SIM, was reasonably rugged, had at decent camera, etc. I really like this phone, especially since I upgraded from a 5-year-old Nokia E63. It does everything I want it to do - just sometimes, it does it very slowly. That's really the main issue with this phone is the lag...well that and battery life (I just keep a charger in the car and one at work). If this isn't your first Android, and you scream at computers when a webpage takes more than 5 seconds to load, then you may want to look elsewhere. Otherwise, it's a perfectly decent phone.

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  • Stephanie t.
  • 11/20/2012 2:46:26 AM
  • Tech Level: Average
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggslove it

Pros: Fast
Small size
I also own the Xperia ion
I purchased the advanced for a backup

Cons: Screen size

Other Thoughts: If you like Xperia line
And you want a smaller size device buy this now
Well worth 259

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