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Phone Casio G'zOne Boulder T-Mobile REVVL 4 HTC G2 BlackBerry Curve 8330 Ericsson T39
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2" diag.
4 : 3
6.2" diag.
19 : 9
3.7" diag.
5 : 3
? ?
Display Resolution & Type 240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
720 x 1520 pixels
(~270 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~252 ppi)
LCD (TFT/TFD)
320 x 240 pixels
LCD (TFT/TFD)
?
LCD (Grayscale)
Display Refresh ? 60 Hz 60 Hz ? ?
Battery 810 mAh 3,500 mAh 1,300 mAh 1,150 mAh ?
Processor ? 2 GHz MediaTek Helio A22 (MT6761) 800 MHz Qualcomm S2 MSM7230 ? ?
RAM ? 2 GB ? ? ?
Storage ? raw hardware 32 GB ? raw hardware ? raw hardware ? raw hardware
Main Camera 1 megapixel 13 megapixel 5 megapixel 2 megapixel -
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? 1080p HD 720p HD ? -
Front Camera - 5 megapixel - - -
Weight 4.9 oz
(139g)
5.59 oz
(158g)
6.5 oz
(184g)
4.02 oz
(114g)
3.03 oz
(86g)
Dimensions 3.9" x 2" x 0.9"
(99 x 51 x 22.9 mm)
6.26" x 2.99" x 0.32"
(159 x 76 x 8.1 mm)
4.68" x 2.37" x 0.55"
(119 x 60 x 14 mm)
4.2" x 2.4" x 0.6"
(107 x 61 x 15.2 mm)
3.78" x 1.97" x 0.71"
(96 x 50 x 18 mm)
Form Factor Clamshell Slab Slab Slab Flip
Platform / OS (proprietary) Android Android BlackBerry OS (proprietary)
Network Bands

CDMA: 850, 1900

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

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

GSM: 900, 1800, 1900

Data Technology EVDO rA LTE (Cat 6) HSPA 14.4 EVDO r0 GPRS
Features 
Fingerprint Reader - Yes
stand-alone
- - -
Flashlight Yes Yes - - -
GPS / Location Yes n/a n/a n/a -
Ruggedized Yes - - - -
Water-Resistant Yes - - - -
Accessibility
Hearing Aid Compatible Yes Yes Yes Yes -
Multiple Languages Yes n/a n/a n/a Yes
TTY/TDD (Digital) Yes Yes - Yes -
Alerts
Extra Display Yes - - - -
Ringer Profiles - - - Yes Yes
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) - - - - Yes
Mobile Hotspot - n/a n/a n/a -
USB Yes Yes
USB Type C
Yes Yes
Mini-USB
-
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
- -
Contacts
Picture ID Yes n/a n/a n/a -
Ringer ID Yes n/a n/a n/a -
Voice Dialing Yes n/a n/a n/a Yes
Customization
Changeable Body Plates Yes - - - -
Custom Graphics Yes n/a n/a n/a Yes
Custom Ringtones Yes n/a n/a n/a Yes
Real-Music Ringers - n/a n/a n/a -
Data & Network
Data Tethering Yes n/a n/a n/a Yes
WAP / Web Browser Yes n/a n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes Yes -
Touch Screen - Yes Yes - -
Memory
Memory Card Slot Yes Yes Yes Yes -
Messaging
Email Client - n/a n/a n/a -
EMS / Picture Messaging Yes n/a n/a n/a -
Instant Messaging - n/a n/a n/a -
MMS Yes n/a n/a n/a -
Text Messaging Templates Yes n/a n/a n/a Yes
Music
FM Radio - Yes - - -
Headphone Jack (3.5mm) - Yes Yes Yes -
Music Player Yes n/a n/a n/a -
Productivity
Alarm Yes n/a n/a n/a Yes
Calculator Yes n/a n/a n/a Yes
Calendar Yes n/a n/a n/a Yes
To-Do List - n/a n/a n/a -
Voice Memo Yes n/a n/a n/a Yes
Software
BREW Yes n/a n/a n/a -
Games Yes n/a n/a n/a Yes
Java (J2ME) - n/a n/a n/a -
Voice
HD Voice - Yes - - -
Push-To-Talk Yes - - - -
Speaker Phone Yes Yes Yes Yes -
  * Some versions only
  Casio G'zOne Boulder T-Mobile REVVL 4 HTC G2 BlackBerry Curve 8330 Ericsson T39
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Casio G'zOne Boulder T-Mobile REVVL 4 HTC G2 BlackBerry Curve 8330 Ericsson T39

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