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Phone Amazon Fire Samsung SGH-A157 Motorola KRZR K1m Samsung SGH-D800
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 4.7" diag.
16 : 9
1.8" diag.
4 : 3
? ?
Display Resolution & Type 720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery 2,400 mAh 800 mAh 880 mAh 800 mAh
Processor 2.2 GHz Qualcomm Snapdragon 800 ? ? ?
RAM 2 GB ? ? ?
Storage 32 GB * 256 MB ? raw hardware ? raw hardware
Main Camera 13 megapixel - 1 megapixel 1 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture 1080p HD - ? ?
Front Camera 2 megapixel - - -
Weight 5.64 oz
(160g)
2.99 oz
(85g)
3.63 oz
(103g)
3.46 oz
(98g)
Dimensions 5.5" x 2.6" x 0.35"
(140 x 66 x 8.9 mm)
3.83" x 1.84" x 0.65"
(97 x 47 x 16.5 mm)
4.06" x 1.73" x 0.67"
(103 x 44 x 17 mm)
3.82" x 2.05" x 0.59"
(97 x 52 x 15 mm)
Form Factor Slab Clamshell Clamshell Slide
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

GSM: 900, 1800, 1900

Data Technology LTE (Cat 4) ? EVDO r0 EDGE
Features 
Flashlight Yes - - -
GPS / Location Yes Yes Yes -
Accessibility
Adjustable Text Size - Yes - -
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
Yes
M4 (very compatible)
Yes
M3 (mostly compatible)
-
Multiple Languages Yes Yes Yes Yes
TTY/TDD (Digital) Yes Yes Yes -
Alerts
Extra Display - - Yes -
Ringer Profiles - Yes Yes -
Connectivity
Bluetooth Yes - Yes Yes
Mobile Hotspot Yes - - -
NFC Yes - - -
USB Yes
Micro-USB
Yes
Micro-USB
Yes
Mini-USB
-
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- - -
Contacts
Picture ID Yes Yes Yes Yes
Ringer ID Yes Yes Yes Yes
Voice Dialing Yes - Yes Yes
Customization
Custom Graphics - Yes Yes Yes
Custom Ringtones Yes Yes Yes Yes
Real-Music Ringers - Yes - Yes
Data & Network
Data Tethering Yes - Yes Yes
External Antenna Jack - - - Yes
WAP / Web Browser Yes Yes Yes Yes
Input
Predictive Text Entry Yes Yes Yes Yes
Side Keys Yes - Yes Yes
Touch Screen Yes
Capacitive
- - -
Memory
Memory Card Slot - - Yes -
Messaging
Email Client Yes - - Yes
EMS / Picture Messaging - - Yes Yes
Instant Messaging - - Yes * -
MMS Yes Yes Yes Yes
Text Messaging Templates Yes Yes Yes Yes
Music
Headphone Jack (3.5mm) Yes - - -
Music Player Yes - Yes Yes
Stereo Speakers Yes - - -
Photo & Video
Miracast Yes - - -
TV Output Yes - - Yes
Productivity
Alarm Yes Yes Yes Yes
Calculator Yes Yes Yes Yes
Calendar Yes Yes Yes Yes
To-Do List - Yes - -
Voice Memo Yes Yes Yes Yes
Software
BREW - - Yes * -
Games Yes - Yes Yes
Java (J2ME) - - Yes * Yes
Voice
HD Voice Yes - - -
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Amazon Fire Samsung SGH-A157 Motorola KRZR K1m Samsung SGH-D800
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Phone Amazon Fire Samsung SGH-A157 Motorola KRZR K1m Samsung SGH-D800

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