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Phone HTC myTouch 4G Slide Visible Midnight Samsung Trance SCH-U490 Samsung SCH-A310 Ericsson R278d
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3.7" diag.
5 : 3
6.5" diag.
20 : 9
2.1" diag.
4 : 3
? ?
Display Resolution & Type 480 x 800 pixels
(~252 ppi)
LCD (TFT/TFD)
720 x 1600 pixels
(~269 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
128 x 128 pixels
LCD (Grayscale)
101 x 40 pixels
Display Refresh 60 Hz 60 Hz ? ? ?
Battery 1,520 mAh 4,000 mAh ? ? ?
Processor 1.2 GHz Qualcomm Snapdragon S3 MSM8260 (dual-core) MediaTek Helio P22 (MT6762) ? ? ?
RAM ? 3 GB ? ? ?
Storage ? raw hardware 32 GB ? raw hardware ? raw hardware ? raw hardware
Main Camera 8 megapixel 13 megapixel 1 megapixel - -
Wide Camera - 5 megapixel - - -
Tele Camera - - - - -
Video Capture 1080p HD 1080p HD - - -
Front Camera Yes 8 megapixel - - -
Weight 6.5 oz
(184g)
6.35 oz
(180g)
3.53 oz
(100g)
3.2 oz
(91g)
9.28 oz
(263g)
Dimensions 4.8" x 2.4" x 0.52"
(122 x 61 x 13.2 mm)
6.53" x 3" x 0.34"
(166 x 76 x 8.6 mm)
4" x 1.97" x 0.55"
(102 x 50 x 14 mm)
3.43" x 1.89" x 0.87"
(87 x 48 x 22.1 mm)
5.1" x 2" x 1"
(130 x 51 x 25.4 mm)
Form Factor Slide Slab Slide Clamshell Slab
Platform / OS Android Android (proprietary) (proprietary) (proprietary)
Network Bands

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 7, 12, 13, 66

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

TDMA: 850, 1900

AMPS: 850

Data Technology HSPA 14.4 LTE (Cat 4) 1xRTT 1xRTT -
Features 
Fingerprint Reader - Yes
stand-alone
- - -
Flashlight - Yes - - -
GPS / Location n/a n/a Yes Yes -
Accessibility
Adjustable Text Size n/a n/a Yes - -
Hearing Aid Compatible Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
- -
Multiple Languages n/a n/a Yes Yes Yes
TTY/TDD (Digital) - - Yes - -
Alerts
Extra Display - - - Yes -
Ringer Profiles - - - - Yes
Connectivity
Bluetooth Yes Yes Yes - -
Mobile Hotspot n/a n/a - - -
USB Yes Yes
USB Type C
Yes Yes -
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
- - -
Contacts
Picture ID n/a n/a Yes - -
Ringer ID n/a n/a Yes - -
Voice Dialing n/a n/a Yes Yes -
Customization
Changeable Body Plates - - - Yes -
Custom Graphics n/a n/a Yes - -
Custom Ringtones n/a n/a Yes - Yes
Real-Music Ringers n/a n/a Yes - -
Data & Network
Data Tethering n/a n/a Yes Yes Yes
WAP / Web Browser n/a n/a Yes Yes Yes
Input
Predictive Text Entry n/a n/a Yes Yes 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 - - -
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 Yes - -
Music Player n/a n/a Yes - -
Photo & Video
DLNA Yes - - - -
TV Output Yes - - - -
Power
Wireless Charging - Yes - - -
Productivity
Alarm n/a n/a Yes - Yes
Calculator n/a n/a Yes - -
Calendar n/a n/a Yes Yes -
Voice Memo n/a n/a Yes Yes -
Software
BREW n/a n/a Yes - -
Games n/a n/a Yes Yes -
Voice
HD Voice - Yes - - -
Headset Jack (2.5 mm) n/a n/a - Yes -
Speaker Phone Yes Yes Yes - -
  HTC myTouch 4G Slide Visible Midnight Samsung Trance SCH-U490 Samsung SCH-A310 Ericsson R278d
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone HTC myTouch 4G Slide Visible Midnight Samsung Trance SCH-U490 Samsung SCH-A310 Ericsson R278d

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