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Phone Samsung Galaxy Amp Kyocera Hydro Wave / Hydro Air Coolpad Defiant Samsung SGH-T819 Ericsson T66
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4" diag.
5 : 3
5" diag.
16 : 9
5" diag.
16 : 9
? ?
Display Resolution & Type 480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
540 x 960 pixels
(~220 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~196 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
?
Display Refresh 60 Hz 60 Hz 60 Hz ? ?
Battery 1,500 mAh 2,300 mAh 2,450 mAh ? ?
Processor 1 GHz STE U8420 1.2 GHz Qualcomm Snapdragon 410 (MSM8916) 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) ? ?
RAM 1 GB 1 GB 1 GB ? ?
Storage 4 GB 8 GB 8 GB ? raw hardware ? raw hardware
Main Camera 5 megapixel 5 megapixel 5 megapixel 1 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 720p HD 1080p HD 720p HD QCIF (176 x 144) -
Front Camera Yes 2 megapixel 2 megapixel - -
Weight 4.41 oz
(125g)
5.11 oz
(145g)
6.5 oz
(184g)
3.46 oz
(98g)
2.08 oz
(59g)
Dimensions 4.84" x 2.48" x 0.43"
(123 x 63 x 10.9 mm)
5.66" x 2.85" x 0.42"
(144 x 72 x 10.7 mm)
5.69" x 2.81" x 0.4"
(145 x 71 x 10.2 mm)
3.96" x 2.03" x 0.55"
(101 x 52 x 14 mm)
3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
Form Factor Slab Slab Slab Slide Slab
Platform / OS Android Android Android (proprietary) (proprietary)
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 4, 5, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

WCDMA: 4

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

Data Technology HSPA 14.4 LTE (Cat 4) LTE (Cat 4) WCDMA (UMTS) -
Features 
Flashlight - Yes Yes - -
GPS / Location n/a n/a n/a - -
Ruggedized - Yes - - -
Water-Resistant - Yes
IPX7 (snorkeling)
- - -
Accessibility
Adjustable Text Size n/a n/a n/a - -
Hearing Aid Compatible Yes
M3, T4 (very tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
- -
Multiple Languages n/a n/a n/a Yes Yes
TTY/TDD (Digital) Yes Yes Yes - -
Alerts
Ringer Profiles - - - Yes Yes
Connectivity
Bluetooth Yes Yes Yes Yes -
Mobile Hotspot n/a n/a n/a - -
USB Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
Yes -
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
- -
Contacts
Picture ID n/a n/a n/a Yes -
Ringer ID n/a n/a n/a Yes -
Voice Dialing n/a n/a n/a Yes -
Customization
Custom Graphics n/a n/a n/a Yes Yes
Custom Ringtones n/a n/a n/a Yes Yes
Real-Music Ringers n/a n/a n/a Yes -
Data & Network
Data Tethering n/a n/a n/a Yes -
WAP / Web Browser n/a n/a n/a Yes Yes
Input
Predictive Text Entry n/a n/a n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
- -
Memory
Memory Card Slot Yes Yes Yes Yes -
Messaging
Email Client n/a n/a n/a - -
EMS / Picture Messaging n/a n/a n/a Yes Yes
Instant Messaging n/a n/a n/a Yes -
MMS n/a n/a n/a Yes -
Text Messaging Templates n/a n/a n/a Yes Yes
Music
Headphone Jack (3.5mm) Yes Yes Yes - -
Music Player n/a n/a n/a Yes -
Photo & Video
DLNA Yes - - - -
Power
Fast Charging - Yes * - - -
Productivity
Alarm n/a n/a n/a Yes Yes
Calculator n/a n/a n/a Yes Yes
Calendar n/a n/a n/a Yes Yes
To-Do List n/a n/a n/a Yes Yes
Voice Memo n/a n/a n/a - -
Software
Games n/a n/a n/a Yes Yes
Java (J2ME) n/a n/a n/a Yes -
Voice
HD Voice - Yes * - - -
Speaker Phone Yes Yes Yes Yes -
  * Some versions only
  Samsung Galaxy Amp Kyocera Hydro Wave / Hydro Air Coolpad Defiant Samsung SGH-T819 Ericsson T66
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Phone Samsung Galaxy Amp Kyocera Hydro Wave / Hydro Air Coolpad Defiant Samsung SGH-T819 Ericsson T66

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