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Phone Samsung Transform ZTE Groove Ericsson T28 World Motorola Charm Motorola i415
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3.5" diag.
5 : 3
3.2" diag.
5 : 3
? 2.8" diag.
4 : 3
?
Display Resolution & Type 320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
320 x 480 pixels
(~180 ppi)
LCD (TFT/TFD)
? 320 x 240 pixels
(~143 ppi)
LCD (TFT/TFD)
130 x 130 pixels
LCD (STN)
Display Refresh 60 Hz 60 Hz ? 60 Hz ?
Battery 1,500 mAh 1,500 mAh 500 mAh 1,170 mAh ?
Processor 800 MHz Samsung S3C6410, Qualcomm QSC6085 800 MHz Qualcomm MSM7627A ? 720 MHz TI OMAP3410 ?
RAM ? 512 MB ? ? ?
Storage ? raw hardware 1 GB ? raw hardware ? raw hardware ? raw hardware
Main Camera 3 megapixel 3 megapixel - 3 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture QVGA (320 x 240) 720p HD - ? -
Front Camera Yes Yes - - -
Weight 5.37 oz
(152g)
4.5 oz
(128g)
3.14 oz
(89g)
3.88 oz
(110g)
4.7 oz
(133g)
Dimensions 4.61" x 2.42" x 0.61"
(117 x 61 x 15.5 mm)
4.67" x 2.46" x 0.55"
(119 x 62 x 14 mm)
3.9" x 2" x 0.6"
(99 x 51 x 15.2 mm)
3.87" x 2.65" x 0.45"
(98 x 67 x 11.4 mm)
5.5" x 1.9" x 0.85"
(140 x 48 x 21.6 mm)
Form Factor Slide Slab Flip Slab Slab
Platform / OS Android Android (proprietary) Android (proprietary)
Network Bands

CDMA: 850, 1900

CDMA: 850, 1700, 1900

GSM: 900, 1900

WCDMA: 4

GSM: 850, 900, 1800, 1900

*

iDEN: 800

Data Technology EVDO rA EVDO rA - HSDPA 3.6 -
Features 
GPS / Location n/a n/a - n/a Yes
Accessibility
Hearing Aid Compatible Yes - - - -
Multiple Languages n/a n/a - n/a Yes
TTY/TDD (Digital) Yes - - Yes Yes
Alerts
Ringer Profiles - - Yes - Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
- Yes
Classic Audio
-
Mobile Hotspot n/a n/a - n/a -
USB Yes
Micro-USB
Yes
Micro-USB
- Yes
Micro-USB
Yes
Wi-Fi Yes
4 (802.11 b,g,n)
Yes - Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID n/a n/a - n/a Yes
Ringer ID n/a n/a - n/a Yes
Voice Dialing n/a n/a Yes n/a Yes
Customization
Custom Graphics n/a n/a - n/a Yes
Custom Ringtones n/a n/a Yes n/a Yes
Real-Music Ringers n/a n/a - n/a Yes
Data & Network
Data Tethering n/a n/a Yes n/a Yes
WAP / Web Browser n/a n/a - n/a Yes
Input
Predictive Text Entry n/a n/a - n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - Yes -
Touch Screen Yes Yes - Yes -
Memory
Memory Card Slot Yes Yes - Yes -
Messaging
Email Client n/a n/a - n/a -
Instant Messaging n/a n/a - n/a -
MMS n/a n/a - n/a Yes
Text Messaging Templates n/a n/a - n/a Yes
Music
Headphone Jack (3.5mm) Yes Yes - Yes -
Music Player n/a n/a - n/a -
Productivity
Alarm n/a n/a Yes n/a -
Calculator n/a n/a Yes n/a -
Calendar n/a n/a - n/a Yes
Voice Memo n/a n/a - n/a Yes
Software
Games n/a n/a Yes n/a Yes
Java (J2ME) n/a n/a - n/a Yes
Voice
Headset Jack (2.5 mm) n/a n/a - n/a Yes
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes - Yes Yes
  Samsung Transform ZTE Groove Ericsson T28 World Motorola Charm Motorola i415
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Phone Samsung Transform ZTE Groove Ericsson T28 World Motorola Charm Motorola i415

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