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Phone UTStarcom CDM-7126 Samsung Galaxy Stratosphere II Kyocera DuraForce LG Stylo 4 Samsung SPH-A640
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" diag.
5 : 3
4.5" diag.
16 : 9
6.2" diag.
18 : 9
?
Display Resolution & Type 128 x 160 pixels
(~114 ppi)
LCD (STN)
480 x 800 pixels
(~233 ppi)
AMOLED
720 x 1280 pixels
(~326 ppi)
LCD (TFT/TFD)
1080 x 2160 pixels
(~390 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (TFT/TFD)
Display Refresh ? 60 Hz 60 Hz 60 Hz ?
Battery 900 mAh 1,800 mAh 3,100 mAh 3,300 mAh 800 mAh
Processor Qualcomm QSC6055 1.2 GHz Qualcomm Snapdragon S4 Plus MSM8960 1.4 GHz Qualcomm Snapdragon 400 (MSM8928) 1.8 GHz Qualcomm Snapdragon 450 ?
RAM ? 1 GB 2 GB 2 GB * ?
Storage ? raw hardware 8 GB 16 GB 32 GB * ? raw hardware
Main Camera - 5 megapixel 8 megapixel 13 megapixel Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 720p HD 1080p HD 1080p HD -
Front Camera - 1 megapixel 2 megapixel 5 megapixel -
Weight 3 oz
(85g)
5.43 oz
(154g)
7.06 oz
(200g)
6.07 oz
(172g)
3.2 oz
(91g)
Dimensions 3.6" x 1.9" x 0.7"
(91 x 48 x 17.8 mm)
4.97" x 2.58" x 0.53"
(126 x 66 x 13.5 mm)
5.39" x 2.78" x 0.55"
(137 x 71 x 14 mm)
6.31" x 3.06" x 0.33"
(160 x 78 x 8.4 mm)
3.6" x 1.8" x 0.9"
(91 x 46 x 22.9 mm)
Form Factor Clamshell Slide Slab Slab Clamshell
Platform / OS (proprietary) Android Android Android (proprietary)
Network Bands

CDMA: 850, 1700, 1900

4G LTE: 13

WCDMA: 1

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

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

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

*

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 29, 30, 38, 41, 66, 71

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

AMPS: 850

Data Technology 1xRTT LTE (Cat 3) LTE (Cat 3) LTE (Cat 6) 1xRTT
Features 
Fingerprint Reader - - - Yes
stand-alone
-
Flashlight - - Yes Yes -
GPS / Location Yes n/a n/a n/a Yes
Ruggedized - - Yes - -
Water-Resistant - - Yes
IPX8 (SCUBA)
- -
Accessibility
Adjustable Text Size - n/a n/a n/a -
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
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot - n/a n/a n/a -
NFC - Yes Yes Yes * -
USB Yes
Mini-USB
Yes Yes
Micro-USB
Yes
USB Type C
Yes
Wi-Fi - Yes
4 (802.11 a,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID - n/a n/a n/a Yes
Ringer ID Yes n/a n/a n/a Yes
Voice Dialing Yes 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
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 Yes
Stylus - - - 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 - n/a n/a n/a -
Text Messaging Templates Yes n/a n/a n/a Yes
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - Yes Yes Yes -
Music Player - n/a n/a n/a -
Stereo Speakers - - Yes - -
Photo & Video
DLNA - Yes Yes Yes -
Miracast - - 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 - n/a n/a n/a Yes
Voice Memo Yes n/a n/a n/a Yes
Software
BREW Yes n/a n/a n/a -
Games Yes n/a n/a n/a Yes
Java (J2ME) - n/a n/a n/a Yes
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) Yes n/a n/a n/a Yes
Push-To-Talk - - Yes * - Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  UTStarcom CDM-7126 Samsung Galaxy Stratosphere II Kyocera DuraForce LG Stylo 4 Samsung SPH-A640
  X > < X > < X > < X > < X

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

 
Phone UTStarcom CDM-7126 Samsung Galaxy Stratosphere II Kyocera DuraForce LG Stylo 4 Samsung SPH-A640

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