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Phone Samsung SGH-X660 HTC EVO Design 4G / Hero S (CDMA) Amazon Fire LG AX-490
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 4" diag.
16 : 9
4.7" diag.
16 : 9
?
Display Resolution & Type 128 x 160 pixels
LCD (TFT/TFD)
540 x 960 pixels
(~275 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ?
Battery 800 mAh 1,520 mAh 2,400 mAh 1,100 mAh
Processor ? 1.2 GHz Qualcomm Snapdragon S2 MSM8655 2.2 GHz Qualcomm Snapdragon 800 ?
RAM ? 768 MB 2 GB ?
Storage ? raw hardware 4 GB 32 GB * ? raw hardware
Main Camera Yes 5 megapixel 13 megapixel Yes
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? 720p HD 1080p HD -
Front Camera - 1 megapixel 2 megapixel -
Weight 2.75 oz
(78g)
5.22 oz
(148g)
5.64 oz
(160g)
3.79 oz
(107g)
Dimensions 3.52" x 1.77" x 0.85"
(89 x 45 x 21.6 mm)
4.78" x 2.44" x 0.46"
(122 x 62 x 11.8 mm)
5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
3.74" x 1.92" x 1"
(95 x 49 x 25.4 mm)
Form Factor Clamshell Slab Slab Clamshell
Platform / OS (proprietary) Android (proprietary) (proprietary)
Network Bands

GSM: 900, 1800, 1900

4G WiMAX: 41

WCDMA: 1, 8

CDMA: 800, 850, 1900

GSM: 850, 1900

*

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology GPRS WiMAX LTE (Cat 4) 1xRTT
Features 
Flashlight - Yes Yes -
GPS / Location - n/a Yes Yes
Accessibility
Hearing Aid Compatible - Yes Yes Yes
Multiple Languages Yes n/a Yes Yes
TTY/TDD (Digital) - Yes Yes Yes
Alerts
Extra Display Yes - - Yes
Connectivity
Bluetooth - Yes Yes Yes
Infrared (IR) Yes - - -
Mobile Hotspot - n/a Yes -
NFC - - Yes -
USB - Yes
Micro-USB
Yes
Micro-USB
Yes
Wi-Fi - Yes
4 (802.11 b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID Yes n/a Yes Yes
Ringer ID Yes n/a Yes Yes
Voice Dialing - n/a Yes Yes
Customization
Custom Graphics Yes n/a - Yes
Custom Ringtones Yes n/a Yes Yes
Real-Music Ringers Yes n/a - Yes
Data & Network
Data Tethering - n/a Yes Yes
WAP / Web Browser Yes n/a Yes Yes
Input
Predictive Text Entry Yes n/a Yes -
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes
Touch Screen - Yes Yes -
Memory
Memory Card Slot - Yes - -
Messaging
Email Client - n/a Yes -
EMS / Picture Messaging Yes n/a - -
Instant Messaging - n/a - -
MMS Yes n/a Yes Yes
Text Messaging Templates Yes n/a Yes Yes
Music
FM Radio - Yes - -
Headphone Jack (3.5mm) - Yes Yes -
Music Player - n/a Yes -
Stereo Speakers - - Yes Yes
Photo & Video
DLNA - Yes - -
Miracast - - Yes -
TV Output - - Yes -
Productivity
Alarm Yes n/a Yes Yes
Calculator Yes n/a Yes Yes
Calendar Yes n/a Yes Yes
To-Do List Yes n/a - -
Voice Memo Yes n/a Yes Yes
Software
BREW - n/a - Yes
Games Yes n/a Yes Yes
Java (J2ME) Yes n/a - -
Voice
HD Voice - - Yes -
Headset Jack (2.5 mm) - n/a - Yes
Speaker Phone Yes Yes Yes Yes
  Samsung SGH-X660 HTC EVO Design 4G / Hero S (CDMA) Amazon Fire LG AX-490
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Phone Samsung SGH-X660 HTC EVO Design 4G / Hero S (CDMA) Amazon Fire LG AX-490

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