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Phone Sanyo RL-4920 HTC 8XT Ericsson R278d Motorola Charm Samsung SCH-A990
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 4.3" diag.
5 : 3
? 2.8" diag.
4 : 3
?
Display Resolution & Type 128 x 112 pixels
LCD (Color)
480 x 800 pixels
(~217 ppi)
LCD (TFT/TFD)
101 x 40 pixels 320 x 240 pixels
(~143 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery 1,700 mAh 1,800 mAh ? 1,170 mAh 1,000 mAh
Processor ? 1.4 GHz Qualcomm Snapdragon 400 8930 ? 720 MHz TI OMAP3410 ?
RAM ? 1 GB ? ? ?
Storage ? raw hardware 8 GB ? raw hardware ? raw hardware ? raw hardware
Main Camera - 8 megapixel - 3 megapixel 3 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 1080p HD - ? ?
Front Camera - 2 megapixel - - -
Weight 4.03 oz
(114g)
4.9 oz
(139g)
9.28 oz
(263g)
3.88 oz
(110g)
4.4 oz
(125g)
Dimensions 4.22" x 1.85" x 0.85"
(107 x 47 x 21.6 mm)
5.2" x 2.6" x 0.39"
(132 x 66 x 9.9 mm)
5.1" x 2" x 1"
(130 x 51 x 25.4 mm)
3.87" x 2.65" x 0.45"
(98 x 67 x 11.4 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
Form Factor Slab Slab Slab Slab Clamshell
Platform / OS (proprietary) Windows (proprietary) Android (proprietary)
Network Bands

CDMA: 850, 1900

AMPS: 850

4G LTE: 25

CDMA: 800, 850, 1900

TDMA: 850, 1900

AMPS: 850

WCDMA: 4

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

Data Technology 1xRTT LTE (Cat 3) - HSDPA 3.6 EVDO r0
Features 
Flashlight - Yes - - Yes
GPS / Location Yes n/a - n/a Yes
Accessibility
Adjustable Text Size - n/a - n/a -
Hearing Aid Compatible - Yes
M4, T4 (very tele-coil compatible)
- - Yes
M3 (mostly compatible)
Multiple Languages Yes n/a Yes n/a Yes
TTY/TDD (Digital) Yes Yes - Yes Yes
Alerts
Extra Display - - - - Yes
Ringer Profiles - - Yes - -
Connectivity
Bluetooth - Yes - Yes Yes
Mobile Hotspot - n/a - n/a -
NFC - Yes - - -
USB Yes Yes
Micro-USB
- Yes
Micro-USB
Yes
Wi-Fi - Yes
4 (802.11 a,b,g,n)
- Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID Yes n/a - n/a Yes
Ringer ID Yes n/a - n/a Yes
Voice Dialing Yes n/a - n/a Yes
Customization
Custom Graphics Yes n/a - n/a Yes
Custom Ringtones Yes n/a Yes n/a Yes
Real-Music Ringers - n/a - n/a Yes
Data & Network
Data Tethering - n/a Yes 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 -
Touch Screen - Yes
Capacitive
- Yes
Capacitive
-
Memory
Memory Card Slot - Yes - 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 Yes
Text Messaging Templates - n/a - n/a Yes
Music
FM Radio - Yes - - -
Headphone Jack (3.5mm) - Yes - Yes -
Music Player - n/a - n/a Yes
Stereo Speakers - - - - Yes
Photo & Video
TV Output - - - - Yes
Productivity
Alarm Yes n/a Yes n/a Yes
Calculator Yes n/a - n/a Yes
Calendar Yes n/a - n/a Yes
To-Do List Yes n/a - n/a -
Voice Memo Yes n/a - n/a Yes
Software
BREW - n/a - n/a Yes
Games Yes n/a - n/a Yes
Java (J2ME) Yes n/a - n/a -
Voice
Call Screening Yes - - - -
Headset Jack (2.5 mm) Yes n/a - n/a -
Push-To-Talk Yes - - - -
Speaker Phone Yes Yes - Yes Yes
  Sanyo RL-4920 HTC 8XT Ericsson R278d Motorola Charm Samsung SCH-A990
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Phone Sanyo RL-4920 HTC 8XT Ericsson R278d Motorola Charm Samsung SCH-A990

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