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Phone Ericsson T28 World Siemens S46 Iris Flip Sanyo RL-4930 Samsung SGH-ZX20
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 3.2" diag.
4 : 3
? ?
Display Resolution & Type ? ? 240 x 320 pixels
(~125 ppi)
LCD (TFT/TFD)
128 x 112 pixels
LCD (STN)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ? ?
Battery 500 mAh 850 mAh 2,000 mAh 1,700 mAh ?
Processor ? ? Qualcomm 215 ? ?
RAM ? ? ? ? ?
Storage ? raw hardware ? raw hardware 8 GB ? raw hardware ? raw hardware
Main Camera - - 5 megapixel - 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - VGA (640 x 480) - QCIF (176 x 144)
Front Camera - - - - -
Weight 3.14 oz
(89g)
4.3 oz
(122g)
5.22 oz
(148g)
4.4 oz
(125g)
3.95 oz
(112g)
Dimensions 3.9" x 2" x 0.6"
(99 x 51 x 15.2 mm)
4.62" x 1.75" x 0.88"
(117 x 44 x 22.4 mm)
4.52" x 2.4" x 0.8"
(115 x 61 x 20.3 mm)
4.5" x 2" x 1"
(114 x 51 x 25.4 mm)
3.46" x 1.89" x 1.02"
(88 x 48 x 25.9 mm)
Form Factor Flip Slab Clamshell Slab Clamshell
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

GSM: 900, 1900

GSM: 900, 1900

TDMA: 850, 1900

4G LTE: 2, 4, 5, 12, 66

WCDMA: 2, 4, 5

CDMA: 850, 1900

AMPS: 850

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

Data Technology - GPRS LTE (Cat 4) 1xRTT HSDPA 1.8
Features 
Barometer - - Yes - -
Flashlight - - Yes - -
GPS / Location - - Yes Yes -
Ruggedized - - - Yes -
Accessibility
Adjustable Text Size - - Yes - -
Hearing Aid Compatible - - Yes - Yes
Multiple Languages - Yes Yes Yes Yes
TTY/TDD (Digital) - - Yes Yes Yes
Alerts
Extra Display - - Yes - Yes
Ringer Profiles Yes Yes - - Yes
Connectivity
Bluetooth - - Yes
Classic Audio
- Yes
Classic Audio
Infrared (IR) - Yes - - -
USB - - Yes
USB Type C
Yes Yes
Wi-Fi - - Yes
4 (802.11 b,g,n)
- -
Contacts
Picture ID - - Yes Yes Yes
Ringer ID - - Yes Yes Yes
Voice Dialing Yes Yes Yes Yes -
Customization
Custom Graphics - Yes Yes Yes Yes
Custom Ringtones Yes Yes Yes Yes Yes
Real-Music Ringers - - Yes - Yes
Data & Network
Data Tethering Yes Yes - - Yes
WAP / Web Browser - Yes Yes Yes Yes
Input
Predictive Text Entry - Yes Yes Yes Yes
Side Keys Yes Yes Yes Yes Yes
Memory
Memory Card Slot - - Yes - Yes
Messaging
Email Client - - Yes - Yes
Instant Messaging - - - - Yes
MMS - - Yes - Yes
Text Messaging Templates - Yes - - Yes
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - - Yes - -
Music Player - - Yes - Yes
Productivity
Alarm Yes Yes Yes Yes Yes
Calculator Yes Yes Yes - Yes
Calendar - Yes Yes Yes Yes
To-Do List - Yes - Yes Yes
Voice Memo - Yes Yes Yes Yes
Software
Games Yes Yes - Yes Yes
Java (J2ME) - - - Yes Yes
Voice
Call Screening - - - Yes -
HD Voice - - Yes - -
Push-To-Talk - - - Yes -
Speaker Phone - - Yes Yes Yes
  Ericsson T28 World Siemens S46 Iris Flip Sanyo RL-4930 Samsung SGH-ZX20
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Phone Ericsson T28 World Siemens S46 Iris Flip Sanyo RL-4930 Samsung SGH-ZX20

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