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Phone Samsung SGH-A157 LG Nexus 4 LG Optimus L90 ZTE Savvy Sonim XP3
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 1.8" diag.
4 : 3
4.7" diag.
5 : 3
4.7" diag.
16 : 9
4" diag.
5 : 3
2.6" diag.
4 : 3
Display Resolution & Type 128 x 160 pixels
(~116 ppi)
LCD (TFT/TFD)
768 x 1280 pixels
(~318 ppi)
LCD (TFT/TFD)
540 x 960 pixels
(~234 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~154 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz 60 Hz ?
Battery 800 mAh 2,100 mAh 2,460 mAh 1,650 mAh 1,500 mAh
Processor ? 1.5 GHz Qualcomm Snapdragon S4 Pro 1.2 GHz Qualcomm Snapdragon 400 MSM8226 1 GHz Qualcomm MSM8625 1.1 GHz Qualcomm Snapdragon 210 (MSM8909)
RAM ? 2 GB 1 GB 768 MB 1 GB
Storage 256 MB 16 GB * 8 GB 4 GB 8 GB
Main Camera - 8 megapixel 5 megapixel 5 megapixel 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 1080p HD 1080p HD WVGA / 480p ?
Front Camera - 1 megapixel Yes - -
Weight 2.99 oz
(85g)
4.9 oz
(139g)
4.37 oz
(124g)
4.43 oz
(126g)
6.88 oz
(195g)
Dimensions 3.83" x 1.84" x 0.65"
(97 x 47 x 16.5 mm)
5.27" x 2.7" x 0.36"
(134 x 69 x 9.1 mm)
5.18" x 2.6" x 0.38"
(132 x 66 x 9.7 mm)
4.96" x 2.55" x 0.42"
(126 x 65 x 10.7 mm)
4.4" x 2.3" x 1.1"
(112 x 58 x 27.9 mm)
Form Factor Clamshell Slab Slab Slab Clamshell
Platform / OS (proprietary) Android Android Android (proprietary)
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 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 ? HSPA+ 42 HSPA+ 21 EVDO rA LTE (Cat 4)
Features 
Barometer - - - - Yes
Flashlight - - Yes Yes Yes
GPS / Location Yes n/a n/a n/a Yes
Ruggedized - - - - Yes
Water-Resistant - - - - Yes
IPX8 (SCUBA)
Accessibility
Adjustable Text Size Yes n/a n/a n/a Yes
Hearing Aid Compatible Yes Yes Yes Yes Yes
Multiple Languages Yes n/a n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - - - - Yes
Ringer Profiles Yes - - - Yes
Connectivity
Bluetooth -
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - Yes - -
Mobile Hotspot - n/a n/a n/a Yes
NFC - Yes - - -
USB Yes
Micro-USB
Yes
Micro-USB
Yes Yes
Micro-USB
Yes
USB Type C
Wi-Fi - Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
Yes
4 (802.11 a,b,g,n)
Contacts
Picture ID Yes n/a n/a n/a -
Ringer ID Yes n/a n/a n/a Yes
Voice Dialing - n/a n/a n/a Yes
Customization
Custom Graphics Yes n/a n/a n/a Yes
Custom Ringtones Yes n/a n/a n/a Yes
Real-Music Ringers Yes n/a n/a n/a -
Data & Network
Data Tethering - n/a n/a n/a Yes
Dual-SIM - - - - Yes
WAP / Web Browser Yes n/a n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a n/a Yes
Side Keys - Yes Yes Yes Yes
Touch Screen - Yes Yes Yes -
Memory
Memory Card Slot - - Yes Yes Yes
Messaging
Email Client - n/a n/a n/a -
Instant Messaging - n/a n/a n/a -
MMS Yes n/a n/a n/a Yes
Text Messaging Templates Yes n/a n/a n/a Yes
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - Yes Yes Yes Yes
Music Player - n/a n/a n/a Yes
Photo & Video
DLNA - - - Yes -
TV Output - Yes - - -
Power
Wireless Charging - Yes - - -
Productivity
Alarm Yes n/a n/a n/a Yes
Calculator Yes n/a n/a n/a Yes
Calendar Yes n/a n/a n/a Yes
To-Do List Yes n/a n/a n/a -
Voice Memo Yes n/a n/a n/a Yes
Software
Games - n/a n/a n/a -
Voice
HD Voice - - - - Yes
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SGH-A157 LG Nexus 4 LG Optimus L90 ZTE Savvy Sonim XP3
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Phone Samsung SGH-A157 LG Nexus 4 LG Optimus L90 ZTE Savvy Sonim XP3

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