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Phone Samsung Trance SCH-U490 Sony Xperia Z3 Compact Samsung SCH-A990 HTC EVO 4G Samsung Galaxy A21
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.1" diag.
4 : 3
4.6" diag.
16 : 9
? 4.3" diag.
5 : 3
6.5" diag.
20 : 9
Display Resolution & Type 176 x 220 pixels
(~134 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~319 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
480 x 800 pixels
(~217 ppi)
LCD (TFT/TFD)
720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? 60 Hz 60 Hz
Battery ? 2,600 mAh 1,000 mAh 1,500 mAh 4,000 mAh
Processor ? 2.5 GHz Qualcomm Snapdragon 801 (MSM8974AC) ? 1 GHz Qualcomm Snapdragon S1 QSD8650 2 GHz MediaTek Helio P35 (MT6765)
RAM ? 2 GB ? ? 3 GB
Storage ? raw hardware 16 GB ? raw hardware ? raw hardware 32 GB
Main Camera 1 megapixel 20 megapixel 3 megapixel 8 megapixel 16 megapixel
Wide Camera - - - - 8 megapixel
Tele Camera - - - - -
Video Capture - 4K UHD ? 720p HD 1080p HD
Front Camera - 2 megapixel - Yes 13 megapixel
Weight 3.53 oz
(100g)
4.55 oz
(129g)
4.4 oz
(125g)
6 oz
(170g)
6.81 oz
(193g)
Dimensions 4" x 1.97" x 0.55"
(102 x 50 x 14 mm)
5" x 2.56" x 0.34"
(127 x 65 x 8.6 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
4.8" x 2.6" x 0.5"
(122 x 66 x 12.7 mm)
6.61" x 3.02" x 0.32"
(168 x 77 x 8.1 mm)
Form Factor Slide Slab Clamshell Slab Slab
Platform / OS (proprietary) Android (proprietary) Android Android
Network Bands

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 13, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

4G WiMAX: 41

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology 1xRTT LTE (Cat 4) EVDO r0 WiMAX LTE (Cat 6)
Features 
Fingerprint Reader - - - - Yes
stand-alone
Flashlight - - Yes - Yes
GPS / Location Yes n/a Yes n/a n/a
Ruggedized - Yes - - -
Water-Resistant - Yes
IPX8 (SCUBA)
- - -
Accessibility
Adjustable Text Size Yes n/a - n/a n/a
Hearing Aid Compatible Yes
M4, T3 (mostly tele-coil compatible)
Yes
M3, T4 (very tele-coil compatible)
Yes
M3 (mostly compatible)
Yes Yes
M4, T3 (mostly tele-coil compatible)
Multiple Languages Yes n/a Yes n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - - Yes - -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Mobile Hotspot - n/a - n/a n/a
NFC - Yes - - Yes
USB Yes Yes
Micro-USB
Yes Yes Yes
USB Type C
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
- Yes
802.11 b,g
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes n/a Yes n/a n/a
Ringer ID Yes n/a Yes n/a n/a
Voice Dialing Yes n/a Yes n/a n/a
Customization
Custom Graphics Yes n/a Yes n/a n/a
Custom Ringtones Yes n/a Yes n/a n/a
Real-Music Ringers Yes n/a Yes n/a n/a
Data & Network
Data Tethering Yes n/a Yes n/a n/a
WAP / Web Browser Yes n/a Yes n/a n/a
Input
Predictive Text Entry Yes n/a Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen - Yes
Capacitive
- Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot Yes Yes Yes Yes Yes
Messaging
Email Client - n/a - n/a n/a
EMS / Picture Messaging - n/a Yes n/a n/a
Instant Messaging - n/a - n/a n/a
MMS Yes n/a Yes n/a n/a
Text Messaging Templates Yes n/a Yes n/a n/a
Music
FM Radio - Yes - Yes -
Headphone Jack (3.5mm) Yes Yes - Yes Yes
Music Player Yes n/a Yes n/a n/a
Stereo Speakers - Yes Yes - -
Photo & Video
DLNA - Yes - - -
Miracast - Yes - - -
TV Output - Yes Yes Yes -
Power
Fast Charging - Yes - - Yes
Productivity
Alarm Yes n/a Yes n/a n/a
Calculator Yes n/a Yes n/a n/a
Calendar Yes n/a Yes n/a n/a
Voice Memo Yes n/a Yes n/a n/a
Software
BREW Yes n/a Yes n/a n/a
Games Yes n/a Yes n/a n/a
Voice
Call Screening - Yes - - -
HD Voice - - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  Samsung Trance SCH-U490 Sony Xperia Z3 Compact Samsung SCH-A990 HTC EVO 4G Samsung Galaxy A21
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Trance SCH-U490 Sony Xperia Z3 Compact Samsung SCH-A990 HTC EVO 4G Samsung Galaxy A21

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