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Phone AT&T Maestro 3 Samsung SPH-N400 Motorola V690 Motorola Backflip
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 6.5" diag.
20 : 9
? ? 3.1" diag.
5 : 3
Display Resolution & Type 720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
128 x 160 pixels
LCD (TFT/TFD)
320 x 480 pixels
(~186 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? 60 Hz
Battery 3,900 mAh ? ? 1,400 mAh
Processor 2 GHz MediaTek Helio A22 (MT6761) ? ? 528 MHz Qualcomm MSM7201a
RAM 3 GB ? ? ?
Storage 32 GB ? raw hardware ? raw hardware ? raw hardware
Main Camera 13 megapixel - Yes 5 megapixel
Wide Camera 5 megapixel - - -
Tele Camera - - - -
Video Capture 1080p HD - ? CIF (352 x 288)
Front Camera 5 megapixel - - -
Weight 6.24 oz
(177g)
4 oz
(113g)
3.17 oz
(90g)
4.7 oz
(133g)
Dimensions 6.58" x 3.03" x 0.33"
(167 x 77 x 8.4 mm)
4.25" x 2.04" x 0.82"
(108 x 52 x 20.8 mm)
3.54" x 1.85" x 0.9"
(90 x 47 x 22.9 mm)
4.25" x 2.09" x 0.6"
(108 x 53 x 15.3 mm)
Form Factor Slab Flip Clamshell Clamshell
Platform / OS Android (proprietary) (proprietary) Android
Network Bands

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

CDMA: 850, 1900

AMPS: 850

GSM: 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 4) 1xRTT GPRS HSPA 7.2
Features 
Barometer Yes - - -
Fingerprint Reader Yes
stand-alone
- - -
Flashlight Yes - - -
GPS / Location n/a Yes - n/a
Accessibility
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
- - Yes
M3 (mostly compatible)
Multiple Languages n/a Yes Yes n/a
TTY/TDD (Digital) - Yes - -
Alerts
Extra Display - - Yes -
Ringer Profiles - - Yes -
Connectivity
Bluetooth Yes - - Yes
USB Yes
USB Type C
Yes - Yes
Micro-USB
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- - Yes
802.11 b,g
Contacts
Picture ID n/a Yes Yes n/a
Ringer ID n/a Yes Yes n/a
Voice Dialing n/a Yes Yes n/a
Customization
Custom Graphics n/a Yes Yes n/a
Custom Ringtones n/a Yes Yes n/a
Real-Music Ringers n/a - - n/a
Data & Network
Data Tethering n/a Yes Yes n/a
WAP / Web Browser n/a Yes Yes n/a
Input
Predictive Text Entry n/a Yes Yes n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - - Yes
Touch Screen Yes
Capacitive
- - Yes
Capacitive
Memory
Memory Card Slot Yes - - Yes
Messaging
Email Client n/a - - n/a
EMS / Picture Messaging n/a - Yes n/a
Instant Messaging n/a - - n/a
MMS n/a - Yes n/a
Music
Headphone Jack (3.5mm) Yes - - Yes
Music Player n/a - - n/a
Productivity
Alarm n/a Yes Yes n/a
Calculator n/a Yes Yes n/a
Calendar n/a Yes Yes n/a
To-Do List n/a Yes - n/a
Voice Memo n/a - Yes n/a
Software
Games n/a Yes Yes n/a
Java (J2ME) n/a Yes Yes n/a
Voice
HD Voice Yes - - -
Headset Jack (2.5 mm) n/a Yes Yes n/a
Speaker Phone Yes Yes - Yes
  AT&T Maestro 3 Samsung SPH-N400 Motorola V690 Motorola Backflip
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Phone AT&T Maestro 3 Samsung SPH-N400 Motorola V690 Motorola Backflip

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