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Phone Samsung SGH-T819 Samsung SCH-A990 Samsung Wafer R510 Sonim XP3
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? ? 1.9" diag.
4 : 3
2.6" diag.
4 : 3
Display Resolution & Type 176 x 220 pixels
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
220 x 176 pixels
(~148 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~154 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ?
Battery ? 1,000 mAh 800 mAh 1,500 mAh
Processor ? ? ? 1.1 GHz Qualcomm Snapdragon 210 (MSM8909)
RAM ? ? ? 1 GB
Storage ? raw hardware ? raw hardware ? raw hardware 8 GB
Main Camera 1 megapixel 3 megapixel 1 megapixel 5 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture QCIF (176 x 144) ? ? ?
Front Camera - - - -
Weight 3.46 oz
(98g)
4.4 oz
(125g)
2.47 oz
(70g)
6.88 oz
(195g)
Dimensions 3.96" x 2.03" x 0.55"
(101 x 52 x 14 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
4.45" x 1.97" x 0.33"
(113 x 50 x 8.4 mm)
4.4" x 2.3" x 1.1"
(112 x 58 x 27.9 mm)
Form Factor Slide Clamshell Slab Clamshell
Platform / OS (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

WCDMA: 4

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 8, 12, 13, 14, 25, 26, 38, 41, 66

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

Data Technology WCDMA (UMTS) EVDO r0 EVDO r0 LTE (Cat 4)
Features 
Barometer - - - Yes
Flashlight - Yes - Yes
GPS / Location - Yes Yes Yes
Ruggedized - - - Yes
Water-Resistant - - - Yes
IPX8 (SCUBA)
Accessibility
Adjustable Text Size - - - Yes
Hearing Aid Compatible - Yes Yes Yes
Multiple Languages Yes Yes Yes Yes
TTY/TDD (Digital) - Yes Yes Yes
Alerts
Extra Display - Yes - Yes
Ringer Profiles Yes - - Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot - - - Yes
USB Yes Yes - Yes
USB Type C
Wi-Fi - - - Yes
4 (802.11 a,b,g,n)
Contacts
Picture ID Yes Yes Yes -
Ringer ID Yes Yes - Yes
Voice Dialing Yes Yes Yes Yes
Customization
Custom Graphics Yes Yes Yes Yes
Custom Ringtones Yes Yes Yes Yes
Real-Music Ringers Yes Yes - -
Data & Network
Data Tethering Yes Yes - Yes
Dual-SIM - - - Yes
WAP / Web Browser Yes Yes Yes Yes
Input
Predictive Text Entry Yes Yes Yes Yes
Side Keys Yes Yes Yes Yes
Memory
Memory Card Slot Yes Yes Yes Yes
Messaging
EMS / Picture Messaging Yes Yes - -
Instant Messaging Yes - - -
MMS Yes Yes Yes Yes
Text Messaging Templates Yes Yes - Yes
Music
FM Radio - - - Yes
Headphone Jack (3.5mm) - - - Yes
Music Player Yes Yes Yes Yes
Stereo Speakers - Yes Yes -
Photo & Video
TV Output - 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
Software
BREW - Yes Yes -
Games Yes Yes Yes -
Java (J2ME) Yes - - -
Voice
HD Voice - - - Yes
Push-To-Talk - - - Yes
Speaker Phone Yes Yes Yes Yes
  Samsung SGH-T819 Samsung SCH-A990 Samsung Wafer R510 Sonim XP3
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Phone Samsung SGH-T819 Samsung SCH-A990 Samsung Wafer R510 Sonim XP3

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