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Phone AT&T Maestro 3 Siemens CF75 Samsung Galaxy S6 (GSM) Nokia 7190 Motorola Defy XT
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Not yet released Released Released Released
Specifications 
Display Size 6.5" diag.
20 : 9
? 5.1" diag.
16 : 9
? 3.7" diag.
16 : 9
Display Resolution & Type 720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
1440 x 2560 pixels
(~576 ppi)
AMOLED
96 x 65 pixels 480 x 854 pixels
(~265 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? 60 Hz ? 60 Hz
Battery 3,900 mAh 600 mAh 2,550 mAh ? 1,650 mAh
Processor 2 GHz MediaTek Helio A22 (MT6761) ? 2.1 GHz Samsung Exynos 7420 ? ?
RAM 3 GB ? 3 GB ? 512 MB
Storage 32 GB ? raw hardware 32 GB * ? raw hardware 1 GB
Main Camera 13 megapixel Yes 16 megapixel - 5 megapixel
Wide Camera 5 megapixel - - - -
Tele Camera - - - - -
Video Capture 1080p HD - 4K UHD - WVGA / 480p
Front Camera 5 megapixel - 5 megapixel - Yes
Weight 6.24 oz
(177g)
3.17 oz
(90g)
4.87 oz
(138g)
4.9 oz
(139g)
4.06 oz
(115g)
Dimensions 6.58" x 3.03" x 0.33"
(167 x 77 x 8.4 mm)
3.43" x 1.73" x 1.26"
(87 x 44 x 32 mm)
5.65" x 2.78" x 0.27"
(143 x 71 x 6.8 mm)
4.92" x 2.09" x 0.95"
(125 x 53 x 24.1 mm)
4.53" x 2.3" x 0.47"
(115 x 58 x 11.9 mm)
Form Factor Slab Clamshell Slab Slide Slab
Platform / OS Android (proprietary) Android (proprietary) Android
Network Bands

4G LTE: 2, 4, 5, 12, 14, 30

GSM: 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 29, 30

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

GSM: 1900

CDMA: 850, 1900

Data Technology LTE (Cat 4) EDGE LTE (Cat 6) - EVDO rA
Features 
Barometer Yes - - - -
Fingerprint Reader Yes
stand-alone
- Yes - -
Flashlight Yes - Yes - -
GPS / Location n/a - n/a - n/a
Ruggedized - - - - Yes
VR-ready - - Yes - -
Water-Resistant - - - - Yes
Accessibility
Hearing Aid Compatible Yes - Yes - Yes
Multiple Languages n/a Yes n/a Yes n/a
TTY/TDD (Digital) - - Yes - Yes
Alerts
Extra Display - Yes - - -
Ringer Profiles - - - Yes -
Connectivity
Bluetooth Yes
Classic Audio
- Yes
Classic Audio
- Yes
Classic Audio
Infrared (IR) - Yes Yes Yes -
MirrorLink - - Yes - -
Mobile Hotspot n/a - n/a - n/a
NFC - - Yes - -
USB Yes
USB Type C
Yes Yes
Micro-USB
- Yes
Micro-USB
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
- Yes
4 (802.11 b,g,n)
Contacts
Picture ID n/a - n/a - n/a
Ringer ID n/a - n/a - n/a
Voice Dialing n/a - n/a Yes n/a
Customization
Custom Graphics n/a Yes n/a - n/a
Custom Ringtones n/a Yes n/a Yes n/a
Real-Music Ringers n/a - n/a - n/a
Data & Network
Data Tethering n/a Yes n/a Yes n/a
WAP / Web Browser n/a Yes n/a Yes n/a
Input
Predictive Text Entry n/a Yes n/a Yes n/a
Side Keys Yes Yes Yes - Yes
Touch Screen Yes - Yes - Yes
Memory
Memory Card Slot Yes - - - Yes
Messaging
Email Client n/a Yes n/a - n/a
EMS / Picture Messaging n/a Yes n/a - n/a
Instant Messaging n/a - n/a - n/a
MMS n/a Yes n/a - n/a
Text Messaging Templates n/a Yes n/a - n/a
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) Yes - Yes - Yes
Music Player n/a - n/a - n/a
Photo & Video
DLNA - - Yes - Yes
Miracast - - Yes - -
TV Output - - Yes - -
Power
Fast Charging - - Yes - -
Wireless Charging - - Yes - -
Productivity
Alarm n/a Yes n/a Yes n/a
Calculator n/a Yes n/a Yes n/a
Calendar n/a Yes n/a Yes n/a
To-Do List n/a Yes n/a Yes n/a
Voice Memo n/a Yes n/a - n/a
Software
Games n/a Yes n/a Yes n/a
Java (J2ME) n/a Yes n/a - n/a
Voice
HD Voice Yes - Yes - -
Push-To-Talk - Yes - - -
Speaker Phone Yes Yes Yes - Yes
  AT&T Maestro 3 Siemens CF75 Samsung Galaxy S6 (GSM) Nokia 7190 Motorola Defy XT
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone AT&T Maestro 3 Siemens CF75 Samsung Galaxy S6 (GSM) Nokia 7190 Motorola Defy XT

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