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Phone AT&T Maestro 3 Samsung SCH-i830 / IP-830w Samsung SCH-A570 AT&T Vista Sanyo SCP-3810 / Mirro
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 6.5" diag.
20 : 9
? ? 5.5" diag.
18 : 9
2.4" diag.
4 : 3
Display Resolution & Type 720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
720 x 1440 pixels
(~293 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? 60 Hz ?
Battery 3,900 mAh ? ? 2,450 mAh 1,000 mAh
Processor 2 GHz MediaTek Helio A22 (MT6761) 520 MHz Intel Bulverde ? 2 GHz MediaTek Helio A22 (MT6761V) ?
RAM 3 GB ? ? 3 GB ?
Storage 32 GB ? raw hardware ? raw hardware 32 GB ? raw hardware
Main Camera 13 megapixel - - 8 megapixel 1 megapixel
Wide Camera 5 megapixel - - - -
Tele Camera - - - - -
Video Capture 1080p HD - - 1080p HD -
Front Camera 5 megapixel - - 5 megapixel -
Weight 6.24 oz
(177g)
6.44 oz
(183g)
3.6 oz
(102g)
5.51 oz
(156g)
3.97 oz
(112g)
Dimensions 6.58" x 3.03" x 0.33"
(167 x 77 x 8.4 mm)
4.49" x 2.28" x 0.97"
(114 x 58 x 24.6 mm)
3.3" x 1.8" x 0.9"
(84 x 46 x 22.9 mm)
5.88" x 2.82" x 0.35"
(149 x 72 x 8.9 mm)
3.82" x 2.01" x 0.71"
(97 x 51 x 18.1 mm)
Form Factor Slab Slide Clamshell Slab Clamshell
Platform / OS Android Windows Mobile Professional (proprietary) Android (proprietary)
Network Bands

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

CDMA: 850, 1900

GSM: 900, 1800

CDMA: 850, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30

WCDMA: 1, 2, 4, 5, 8

CDMA: 850, 1900

Data Technology LTE (Cat 4) EVDO r0 1xRTT LTE (Cat 4) 1xRTT
Features 
Barometer Yes - - - -
Fingerprint Reader Yes
stand-alone
- - - -
Flashlight Yes - - Yes -
GPS / Location n/a n/a Yes n/a Yes
Accessibility
Adjustable Text Size n/a n/a - n/a Yes
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
- - Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T4 (very tele-coil compatible)
Multiple Languages n/a n/a Yes n/a Yes
TTY/TDD (Digital) - Yes Yes - Yes
Alerts
Extra Display - - Yes - Yes
Ringer Profiles - Yes - - -
Connectivity
Bluetooth Yes Yes - Yes Yes
Infrared (IR) - Yes - - -
USB Yes
USB Type C
Yes - Yes
USB Type C
Yes
Micro-USB
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- - Yes -
Contacts
Picture ID n/a n/a - n/a Yes
Ringer ID n/a n/a - n/a Yes
Voice Dialing n/a n/a Yes n/a Yes
Customization
Custom Graphics n/a n/a Yes n/a Yes
Custom Ringtones n/a n/a Yes n/a Yes
Real-Music Ringers n/a n/a - n/a Yes
Data & Network
Data Tethering n/a n/a - n/a Yes
WAP / Web Browser n/a n/a Yes n/a Yes
Input
Predictive Text Entry n/a n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - - -
Touch Screen Yes
Capacitive
Yes - Yes
Capacitive
-
Memory
Memory Card Slot Yes Yes - Yes -
Messaging
Email Client n/a n/a - n/a Yes
EMS / Picture Messaging n/a n/a Yes n/a -
Instant Messaging n/a n/a - n/a Yes
Text Messaging Templates n/a n/a Yes n/a Yes
Music
Headphone Jack (3.5mm) Yes - - Yes -
Music Player n/a n/a - n/a -
Stereo Speakers - Yes - - -
Productivity
Alarm n/a n/a Yes n/a Yes
Calculator n/a n/a Yes n/a Yes
Calendar n/a n/a Yes n/a Yes
To-Do List n/a n/a Yes n/a Yes
Voice Memo n/a n/a Yes n/a Yes
Software
BREW n/a n/a Yes n/a -
Games n/a n/a Yes n/a Yes
Java (J2ME) n/a n/a - n/a Yes
Voice
HD Voice Yes - - Yes -
Headset Jack (2.5 mm) n/a n/a Yes n/a Yes
Speaker Phone Yes Yes - Yes Yes
  AT&T Maestro 3 Samsung SCH-i830 / IP-830w Samsung SCH-A570 AT&T Vista Sanyo SCP-3810 / Mirro
  X > < X > < X > < X > < X

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

 
Phone AT&T Maestro 3 Samsung SCH-i830 / IP-830w Samsung SCH-A570 AT&T Vista Sanyo SCP-3810 / Mirro

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