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Phone Samsung Trance SCH-U490 Pantech Duo C810 AT&T Cingular Flip IV / Cricket Debut Flip Palm Pre (CDMA) Ericsson R278d
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.1" diag.
4 : 3
2.2" diag.
4 : 3
2.8" diag.
4 : 3
3.1" diag.
5 : 3
?
Display Resolution & Type 176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
320 x 480 pixels
(~186 ppi)
LCD (TFT/TFD)
101 x 40 pixels
Display Refresh ? ? ? ? ?
Battery ? 1,320 mAh 1,450 mAh 1,150 mAh ?
Processor ? ARM 920t PXA27x 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) TI OMAP 3430 ?
RAM ? ? 512 MB ? ?
Storage ? raw hardware ? raw hardware 4 GB ? raw hardware ? raw hardware
Main Camera 1 megapixel 1 megapixel 2 megapixel 3 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - QVGA (320 x 240) WVGA / 480p ? -
Front Camera - - - - -
Weight 3.53 oz
(100g)
3.88 oz
(110g)
4.59 oz
(130g)
4.76 oz
(135g)
9.28 oz
(263g)
Dimensions 4" x 1.97" x 0.55"
(102 x 50 x 14 mm)
4.01" x 1.97" x 0.78"
(102 x 50 x 19.8 mm)
4.13" x 2.14" x 0.74"
(105 x 54 x 18.9 mm)
3.9" x 2.3" x 0.67"
(99 x 58 x 17 mm)
5.1" x 2" x 1"
(130 x 51 x 25.4 mm)
Form Factor Slide Slide Clamshell Slide Slab
Platform / OS (proprietary) Windows Mobile Standard (proprietary) webOS (proprietary)
Network Bands

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 12, 14

WCDMA: 2, 4, 5

CDMA: 850, 1900

TDMA: 850, 1900

AMPS: 850

Data Technology 1xRTT HSDPA 1.8 LTE (Cat 4) EVDO rA -
Features 
GPS / Location Yes n/a Yes n/a -
Accessibility
Adjustable Text Size Yes n/a Yes n/a -
Hearing Aid Compatible Yes
M4, T3 (mostly tele-coil compatible)
- Yes
M4, T4 (very tele-coil compatible)
Yes
M4 (very compatible)
-
Multiple Languages Yes n/a Yes n/a Yes
TTY/TDD (Digital) Yes - Yes Yes -
Alerts
Extra Display - - Yes - -
Ringer Profiles - Yes - - Yes
Connectivity
Bluetooth Yes Yes Yes Yes -
Mobile Hotspot - n/a Yes n/a -
USB Yes Yes Yes
Micro-USB
Yes
Micro-USB
-
Wi-Fi - - Yes
4 (802.11 b,g,n)
Yes
802.11 b,g
-
Contacts
Picture ID Yes n/a Yes n/a -
Ringer ID Yes n/a - n/a -
Voice Dialing Yes n/a Yes n/a -
Customization
Custom Graphics Yes n/a Yes n/a -
Custom Ringtones Yes n/a Yes n/a Yes
Real-Music Ringers Yes n/a Yes n/a -
Data & Network
Data Tethering Yes n/a - n/a Yes
WAP / Web Browser Yes n/a Yes n/a Yes
Input
Predictive Text Entry Yes n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - Yes -
Touch Screen - - - Yes
Capacitive
-
Memory
Memory Card Slot Yes Yes Yes - -
Messaging
Email Client - n/a Yes n/a -
Instant Messaging - n/a - n/a -
MMS Yes n/a Yes n/a -
Text Messaging Templates Yes n/a - n/a -
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) Yes - Yes Yes -
Music Player Yes n/a Yes n/a -
Productivity
Alarm Yes n/a Yes n/a Yes
Calculator Yes n/a Yes n/a -
Calendar Yes n/a Yes n/a -
To-Do List - n/a - n/a -
Voice Memo Yes n/a Yes n/a -
Software
BREW Yes n/a - n/a -
Games Yes n/a Yes n/a -
Voice
HD Voice - - Yes - -
Speaker Phone Yes Yes Yes Yes -
  Samsung Trance SCH-U490 Pantech Duo C810 AT&T Cingular Flip IV / Cricket Debut Flip Palm Pre (CDMA) Ericsson R278d
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Trance SCH-U490 Pantech Duo C810 AT&T Cingular Flip IV / Cricket Debut Flip Palm Pre (CDMA) Ericsson R278d

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