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Phone Samsung SCH-A570 LG K3 Samsung Wafer R510 Samsung SGH-A157
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 4.5" diag.
16 : 9
1.9" diag.
4 : 3
1.8" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
LCD (STN)
480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
220 x 176 pixels
(~148 ppi)
LCD (TFT/TFD)
128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ?
Battery ? 1,940 mAh 800 mAh 800 mAh
Processor ? 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) ? ?
RAM ? 1 GB ? ?
Storage ? raw hardware 8 GB ? raw hardware 256 MB
Main Camera - 5 megapixel 1 megapixel -
Wide Camera - - - -
Tele Camera - - - -
Video Capture - 720p HD ? -
Front Camera - Yes - -
Weight 3.6 oz
(102g)
4.6 oz
(130g)
2.47 oz
(70g)
2.99 oz
(85g)
Dimensions 3.3" x 1.8" x 0.9"
(84 x 46 x 22.9 mm)
5.24" x 2.67" x 0.37"
(133 x 68 x 9.4 mm)
4.45" x 1.97" x 0.33"
(113 x 50 x 8.4 mm)
3.83" x 1.84" x 0.65"
(97 x 47 x 16.5 mm)
Form Factor Clamshell Slab Slab Clamshell
Platform / OS (proprietary) Android (proprietary) (proprietary)
Network Bands

CDMA: 850, 1900

4G LTE: 2, 4, 5, 12, 25, 26, 41

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

Data Technology 1xRTT LTE (Cat 4) EVDO r0 ?
Features 
Flashlight - Yes - -
GPS / Location Yes n/a Yes Yes
Accessibility
Adjustable Text Size - n/a - Yes
Hearing Aid Compatible - Yes Yes Yes
Multiple Languages Yes n/a Yes Yes
TTY/TDD (Digital) Yes Yes Yes Yes
Alerts
Extra Display Yes - - -
Ringer Profiles - - - Yes
Connectivity
Bluetooth - Yes Yes -
Mobile Hotspot - n/a - -
USB - Yes
Micro-USB
- Yes
Micro-USB
Wi-Fi - Yes
4 (802.11 b,g,n)
- -
Contacts
Picture ID - n/a Yes Yes
Ringer ID - n/a - Yes
Voice Dialing Yes n/a Yes -
Customization
Custom Graphics Yes n/a Yes Yes
Custom Ringtones Yes n/a Yes Yes
Real-Music Ringers - n/a - Yes
Data & Network
Data Tethering - n/a - -
WAP / Web Browser Yes n/a Yes Yes
Input
Predictive Text Entry Yes n/a Yes Yes
Side Keys Yes Yes Yes -
Touch Screen - Yes - -
Memory
Memory Card Slot - Yes Yes -
Messaging
Email Client - n/a - -
EMS / Picture Messaging Yes n/a - -
Instant Messaging - n/a - -
MMS - n/a Yes Yes
Text Messaging Templates Yes n/a - Yes
Music
Headphone Jack (3.5mm) - Yes - -
Music Player - n/a Yes -
Stereo Speakers - - 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 - Yes
Voice Memo Yes n/a Yes Yes
Software
BREW Yes n/a Yes -
Games Yes n/a Yes -
Voice
HD Voice - Yes - -
Headset Jack (2.5 mm) Yes n/a - -
Speaker Phone - Yes Yes Yes
  Samsung SCH-A570 LG K3 Samsung Wafer R510 Samsung SGH-A157
  X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SCH-A570 LG K3 Samsung Wafer R510 Samsung SGH-A157

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