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Phone Samsung SCH-i830 / IP-830w AT&T Maestro 3 Motorola Rival A455 Samsung Transform Ultra
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size ? 6.5" diag.
20 : 9
2.2" diag.
4 : 3
3.5" diag.
5 : 3
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~131 ppi)
LCD (TFT/TFD)
320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? 60 Hz
Battery ? 3,900 mAh 940 mAh 1,500 mAh
Processor 520 MHz Intel Bulverde 2 GHz MediaTek Helio A22 (MT6761) ? 1 GHz Qualcomm Snapdragon S2 MSM8655
RAM ? 3 GB ? ?
Storage ? raw hardware 32 GB ? raw hardware ? raw hardware
Main Camera - 13 megapixel 2 megapixel 3 megapixel
Wide Camera - 5 megapixel - -
Tele Camera - - - -
Video Capture - 1080p HD QVGA (320 x 240) VGA (640 x 480)
Front Camera - 5 megapixel - Yes
Weight 6.44 oz
(183g)
6.24 oz
(177g)
4.48 oz
(127g)
4.9 oz
(139g)
Dimensions 4.49" x 2.28" x 0.97"
(114 x 58 x 24.6 mm)
6.58" x 3.03" x 0.33"
(167 x 77 x 8.4 mm)
3.82" x 1.96" x 0.73"
(97 x 50 x 18.5 mm)
4.5" x 2.4" x 0.55"
(114 x 61 x 14 mm)
Form Factor Slide Slab Slide Slide
Platform / OS Windows Mobile Professional Android (proprietary) Android
Network Bands

CDMA: 850, 1900

GSM: 900, 1800

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

CDMA: 850, 1900

CDMA: 800, 850, 1900

Data Technology EVDO r0 LTE (Cat 4) EVDO r0 EVDO rA
Features 
Barometer - Yes - -
Fingerprint Reader - Yes
stand-alone
- -
Flashlight - Yes - -
GPS / Location n/a n/a Yes n/a
Accessibility
Hearing Aid Compatible - Yes
M4, T4 (very tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4 (very compatible)
Multiple Languages n/a n/a Yes n/a
TTY/TDD (Digital) Yes - Yes Yes
Alerts
Ringer Profiles Yes - - -
Connectivity
Bluetooth Yes Yes Yes Yes
Infrared (IR) Yes - - -
Mobile Hotspot n/a n/a - n/a
USB Yes Yes
USB Type C
Yes
Micro-USB
Yes
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
- Yes
4 (802.11 a,b,g,n)
Contacts
Picture ID n/a n/a Yes n/a
Ringer ID n/a n/a Yes n/a
Voice Dialing n/a n/a Yes n/a
Customization
Custom Graphics n/a n/a Yes n/a
Custom Ringtones n/a n/a Yes n/a
Real-Music Ringers n/a n/a Yes n/a
Data & Network
Data Tethering n/a n/a Yes n/a
WAP / Web Browser n/a n/a Yes n/a
Input
Predictive Text Entry n/a n/a - n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware Yes - Yes Yes
Touch Screen Yes Yes
Capacitive
Yes Yes
Capacitive
Memory
Memory Card Slot Yes Yes Yes Yes
Messaging
Email Client n/a n/a Yes n/a
EMS / Picture Messaging n/a n/a Yes n/a
Instant Messaging n/a n/a Yes n/a
MMS n/a n/a Yes n/a
Text Messaging Templates n/a n/a Yes n/a
Music
Headphone Jack (3.5mm) - Yes Yes Yes
Music Player n/a n/a Yes n/a
Stereo Speakers Yes - - -
Productivity
Alarm n/a n/a Yes n/a
Calculator n/a n/a Yes n/a
Calendar n/a n/a Yes n/a
To-Do List n/a n/a - n/a
Voice Memo n/a n/a Yes n/a
Software
BREW n/a n/a Yes n/a
Games n/a n/a Yes n/a
Voice
HD Voice - Yes - -
Headset Jack (2.5 mm) n/a n/a - n/a
Speaker Phone Yes Yes Yes Yes
  Samsung SCH-i830 / IP-830w AT&T Maestro 3 Motorola Rival A455 Samsung Transform Ultra
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Phone Samsung SCH-i830 / IP-830w AT&T Maestro 3 Motorola Rival A455 Samsung Transform Ultra

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