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Phone Samsung Galaxy Ring / Prevail 2 Sanyo SCP-3810 / Mirro BlackBerry Curve 3G 9330 Samsung Galaxy A02s Nokia Lumia 635 (CDMA)
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4" diag.
5 : 3
2.4" diag.
4 : 3
2.5" diag.
4 : 3
6.5" diag.
20 : 9
4.5" diag.
16 : 9
Display Resolution & Type 480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
320 x 240 pixels
(~160 ppi)
LCD (TFT/TFD)
720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? 60 Hz ?
Battery 1,750 mAh 1,000 mAh 1,150 mAh 5,000 mAh 1,830 mAh
Processor 1.4 GHz Qualcomm Snapdragon S2 MSM8655 ? ? Qualcomm Snapdragon 450 1.2 GHz Qualcomm Snapdragon 400 (MSM8926)
RAM 1 GB ? ? 2 GB 512 MB
Storage 4 GB ? raw hardware ? raw hardware 32 GB 8 GB
Main Camera 5 megapixel 1 megapixel 2 megapixel 13 megapixel 5 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 720p HD - ? 1080p HD 720p HD
Front Camera 1 megapixel - - 5 megapixel -
Weight 3.4 oz
(96g)
3.97 oz
(112g)
3.7 oz
(105g)
6.98 oz
(198g)
4.73 oz
(134g)
Dimensions 4.83" x 2.48" x 0.47"
(123 x 63 x 11.9 mm)
3.82" x 2.01" x 0.71"
(97 x 51 x 18.1 mm)
4.29" x 2.36" x 0.55"
(109 x 60 x 14 mm)
6.56" x 2.99" x 0.36"
(166 x 76 x 9.2 mm)
5.1" x 2.63" x 0.36"
(130 x 67 x 9.1 mm)
Form Factor Slab Clamshell Slab Slab Slab
Platform / OS Android (proprietary) BlackBerry OS Android Windows
Network Bands

CDMA: 800, 850, 1900

CDMA: 850, 1900

CDMA: 850, 1900

4G LTE: 2, 4, 5, 7, 12, 13, 25, 26, 41, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

4G LTE: 25, 26, 41

WCDMA: 1, 2, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology EVDO rA 1xRTT EVDO r0 LTE (Cat 4) LTE (Cat 3)
Features 
Barometer - - - Yes -
Flashlight - - - Yes -
GPS / Location n/a Yes n/a n/a n/a
Accessibility
Adjustable Text Size n/a Yes n/a n/a n/a
Hearing Aid Compatible Yes Yes Yes Yes Yes
Multiple Languages n/a Yes n/a n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - Yes - - -
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Mobile Hotspot n/a - n/a n/a n/a
USB Yes Yes
Micro-USB
Yes
Micro-USB
Yes
USB Type C
Yes
Micro-USB
Wi-Fi Yes
4 (802.11 a,b,g,n)
- Yes
802.11 b,g
Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
Contacts
Picture ID n/a Yes n/a n/a n/a
Ringer ID n/a Yes n/a n/a n/a
Voice Dialing n/a Yes n/a n/a n/a
Customization
Custom Graphics n/a Yes n/a n/a n/a
Custom Ringtones n/a Yes n/a n/a n/a
Real-Music Ringers n/a Yes n/a n/a n/a
Data & Network
Data Tethering n/a Yes n/a n/a n/a
WAP / Web Browser n/a Yes n/a n/a n/a
Input
Predictive Text Entry n/a Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes - -
Touch Screen Yes - - Yes Yes
Memory
Memory Card Slot Yes - Yes Yes Yes
Messaging
Email Client n/a Yes n/a n/a n/a
Instant Messaging n/a Yes n/a n/a n/a
MMS n/a - n/a n/a n/a
Text Messaging Templates n/a Yes n/a n/a n/a
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) Yes - Yes Yes Yes
Music Player n/a - n/a n/a n/a
Photo & Video
DLNA Yes - - - Yes
Power
Fast Charging - - - Yes -
Productivity
Alarm n/a Yes n/a n/a n/a
Calculator n/a Yes n/a n/a n/a
Calendar n/a Yes n/a n/a n/a
To-Do List n/a Yes n/a n/a n/a
Voice Memo n/a Yes n/a n/a n/a
Software
Games n/a Yes n/a n/a n/a
Java (J2ME) n/a Yes n/a n/a n/a
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) n/a Yes n/a n/a n/a
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung Galaxy Ring / Prevail 2 Sanyo SCP-3810 / Mirro BlackBerry Curve 3G 9330 Samsung Galaxy A02s Nokia Lumia 635 (CDMA)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Galaxy Ring / Prevail 2 Sanyo SCP-3810 / Mirro BlackBerry Curve 3G 9330 Samsung Galaxy A02s Nokia Lumia 635 (CDMA)

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