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Phone Ericsson T28 World Siemens SX1 LG Connect 4G Kyocera 2135 Kyocera KX12
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 4" diag.
5 : 3
? ?
Display Resolution & Type ? 176 x 220 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
? 128 x 128 pixels
LCD (STN)
Display Refresh ? ? 60 Hz ? ?
Battery 500 mAh 1,000 mAh 1,540 mAh 925 mAh 1,800 mAh
Processor ? ? 1.2 GHz Qualcomm Snapdragon S3 MSM8660 ? ?
RAM ? ? 1 GB ? ?
Storage ? raw hardware ? raw hardware 4 GB ? raw hardware ? raw hardware
Main Camera - Yes 5 megapixel - -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - QCIF (176 x 144) 720p HD - -
Front Camera - - Yes - -
Weight 3.14 oz
(89g)
4.09 oz
(116g)
4.83 oz
(137g)
4.7 oz
(133g)
4.62 oz
(131g)
Dimensions 3.9" x 2" x 0.6"
(99 x 51 x 15.2 mm)
4.29" x 2.2" x 0.75"
(109 x 56 x 19.1 mm)
4.59" x 2.45" x 0.46"
(117 x 62 x 11.7 mm)
5.07" x 1.89" x 1.02"
(129 x 48 x 25.9 mm)
4.33" x 1.97" x 1.02"
(110 x 50 x 25.9 mm)
Form Factor Flip Slab Slab Slab Slab
Platform / OS (proprietary) S60 (Symbian) Android (proprietary) (proprietary)
Network Bands

GSM: 900, 1900

GSM: 900, 1800, 1900

4G LTE: 2, 4

CDMA: 850, 1700, 1900

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

AMPS: 850

Data Technology - GPRS LTE (Cat 3) - 1xRTT
Features 
Flashlight - - - - Yes
GPS / Location - n/a n/a - Yes
Ruggedized - - - - Yes
Accessibility
Hearing Aid Compatible - - Yes - -
Multiple Languages - n/a n/a Yes Yes
TTY/TDD (Digital) - - Yes - Yes
Alerts
Ringer Profiles Yes Yes - - -
Connectivity
Bluetooth - Yes
Classic Audio
Yes
Classic Audio
- -
Infrared (IR) - Yes - - -
USB - Yes Yes
Micro-USB
- -
Wi-Fi - - Yes
4 (802.11 b,g,n)
- -
Contacts
Picture ID - n/a n/a - Yes
Ringer ID - n/a n/a - Yes
Voice Dialing Yes n/a n/a - Yes
Customization
Changeable Body Plates - - - Yes -
Custom Graphics - n/a n/a - Yes
Custom Ringtones Yes n/a n/a Yes Yes
Real-Music Ringers - n/a n/a - -
Data & Network
Data Tethering Yes n/a n/a Yes Yes
WAP / Web Browser - n/a n/a Yes Yes
Input
Predictive Text Entry - n/a n/a Yes Yes
Side Keys Yes Yes Yes - Yes
Touch Screen - - Yes - -
Memory
Memory Card Slot - Yes Yes - -
Messaging
Email Client - n/a n/a - -
EMS / Picture Messaging - n/a n/a - Yes
Instant Messaging - n/a n/a - -
MMS - n/a n/a - -
Text Messaging Templates - n/a n/a Yes Yes
Music
FM Radio - Yes - - -
Headphone Jack (3.5mm) - - Yes - -
Music Player - n/a n/a - -
Photo & Video
DLNA - - Yes - -
Productivity
Alarm Yes n/a n/a Yes Yes
Calculator Yes n/a n/a Yes Yes
Calendar - n/a n/a - Yes
To-Do List - n/a n/a - -
Voice Memo - n/a n/a - Yes
Software
BREW - n/a n/a - Yes *
Games Yes n/a n/a Yes Yes
Java (J2ME) - n/a n/a - -
Voice
Headset Jack (2.5 mm) - n/a n/a Yes Yes
Push-To-Talk - - - - Yes
Speaker Phone - Yes Yes - Yes
  * Some versions only
  Ericsson T28 World Siemens SX1 LG Connect 4G Kyocera 2135 Kyocera KX12
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Phone Ericsson T28 World Siemens SX1 LG Connect 4G Kyocera 2135 Kyocera KX12

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