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Phone Sony Ericsson T237 / T290a Samsung Galaxy S II / SGH-i777 Sony Xperia ion ZTE Z221
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 4.3" diag.
5 : 3
4.6" diag.
16 : 9
2" diag.
4 : 3
Display Resolution & Type 101 x 80 pixels
LCD (STN)
480 x 800 pixels
(~217 ppi)
AMOLED
720 x 1280 pixels
(~323 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz ?
Battery ? 1,650 mAh 1,900 mAh 900 mAh
Processor ? 1.2 GHz Samsung Exynos dual-core 1.5 GHz Qualcomm Snapdragon S3 MSM8260 ?
RAM ? ? 1 GB ?
Storage ? raw hardware 16 GB 16 GB 142 MB
Main Camera - 8 megapixel 12 megapixel Yes
Wide Camera - - - -
Tele Camera - - - -
Video Capture - 1080p HD 1080p HD QCIF (176 x 144)
Front Camera - 2 megapixel 1 megapixel -
Weight 2.79 oz
(79g)
4.3 oz
(122g)
5.1 oz
(145g)
3.24 oz
(92g)
Dimensions 4" x 1.71" x 0.71"
(102 x 43 x 18 mm)
4.96" x 2.6" x 0.35"
(126 x 66 x 8.9 mm)
5.2" x 2.7" x 0.4"
(132 x 69 x 10.2 mm)
3.76" x 1.92" x 0.73"
(96 x 49 x 18.5 mm)
Form Factor Slab Slab Slab Clamshell
Platform / OS (proprietary) Android Android (proprietary)
Network Bands

GSM: 850, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 4, 17

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

Data Technology GPRS HSPA+ 21 LTE (Cat 3) HSDPA 3.6
Features 
GPS / Location - n/a n/a Yes
Accessibility
Hearing Aid Compatible - Yes Yes Yes
Multiple Languages Yes n/a n/a Yes
TTY/TDD (Digital) Yes Yes - Yes
Alerts
Extra Display - - - Yes
Ringer Profiles - - - Yes
Connectivity
Bluetooth - Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot - n/a n/a -
NFC - Yes - -
USB Yes Yes
Micro-USB
Yes Yes
Wi-Fi - Yes
4 (802.11 a,b,g,n)
Yes -
Contacts
Picture ID Yes n/a n/a -
Ringer ID Yes n/a n/a -
Voice Dialing Yes n/a n/a -
Customization
Custom Graphics Yes n/a n/a Yes
Custom Ringtones Yes n/a n/a Yes
Real-Music Ringers - n/a n/a Yes
Data & Network
Data Tethering - n/a n/a -
WAP / Web Browser Yes n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes
Touch Screen - Yes Yes -
Memory
Memory Card Slot - Yes Yes -
Messaging
Email Client Yes n/a n/a Yes
EMS / Picture Messaging Yes n/a n/a -
Instant Messaging - n/a n/a Yes
MMS Yes n/a n/a Yes
Text Messaging Templates Yes n/a n/a Yes
Music
FM Radio - - Yes -
Headphone Jack (3.5mm) - Yes Yes -
Music Player - n/a n/a -
Photo & Video
DLNA - Yes Yes -
TV Output - Yes Yes -
Productivity
Alarm Yes n/a n/a Yes
Calculator Yes n/a n/a Yes
Calendar Yes n/a n/a Yes
Voice Memo Yes n/a n/a Yes
Software
Games Yes n/a n/a Yes
Java (J2ME) - n/a n/a Yes
Voice
Speaker Phone Yes Yes Yes Yes
  Sony Ericsson T237 / T290a Samsung Galaxy S II / SGH-i777 Sony Xperia ion ZTE Z221
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Sony Ericsson T237 / T290a Samsung Galaxy S II / SGH-i777 Sony Xperia ion ZTE Z221

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