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Phone Casio G'zOne Rock Motorola V177 Nokia 2651 BlackBerry Key2 LE
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Not yet released Released Released
Specifications 
Display Size 2.1" diag.
4 : 3
? ? 4.5" diag.
5 : 3
Display Resolution & Type 240 x 320 pixels
(~190 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
128 x 128 pixels
LCD (STN)
1080 x 1620 pixels
(~433 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz
Battery 1,150 mAh ? 760 mAh 3,000 mAh
Processor ? ? ? 1.8 GHz Qualcomm Snapdragon 636
RAM ? ? ? 4 GB
Storage ? raw hardware ? raw hardware ? raw hardware 32 GB *
Main Camera 2 megapixel - - 13 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? - - 4K UHD
Front Camera - - - 8 megapixel
Weight 4.4 oz
(125g)
3.67 oz
(104g)
3.4 oz
(96g)
5.5 oz
(156g)
Dimensions 4.1" x 2" x 0.9"
(104 x 51 x 22.9 mm)
3.48" x 1.88" x 1"
(88 x 48 x 25.4 mm)
3.35" x 1.81" x 0.9"
(85 x 46 x 22.9 mm)
5.92" x 2.83" x 0.33"
(150 x 72 x 8.4 mm)
Form Factor Clamshell Clamshell Clamshell Slab
Platform / OS (proprietary) (proprietary) (proprietary) Android
Network Bands

CDMA: 850, 1900

GSM: 850, 1900

GSM: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 29, 38, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology EVDO rA GPRS GPRS LTE (Cat 13)
Features 
Fingerprint Reader - - - Yes
stand-alone
Flashlight Yes - - Yes
GPS / Location Yes - - n/a
Ruggedized Yes - - -
Water-Resistant Yes - - -
Accessibility
Hearing Aid Compatible Yes - - Yes
Multiple Languages Yes Yes Yes n/a
TTY/TDD (Digital) Yes Yes - Yes
Alerts
Extra Display Yes Yes - -
Ringer Profiles - Yes - -
Connectivity
Bluetooth Yes
Classic Audio
- - Yes
Classic Audio
NFC - - - Yes
USB Yes - - Yes
USB Type C
Wi-Fi - - - Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes - - n/a
Ringer ID Yes - - n/a
Voice Dialing Yes - - n/a
Customization
Custom Graphics Yes Yes Yes n/a
Custom Ringtones Yes Yes Yes n/a
Real-Music Ringers Yes - - n/a
Data & Network
Data Tethering Yes Yes - n/a
Dual-SIM - - - Yes *
WAP / Web Browser Yes Yes Yes n/a
Input
Predictive Text Entry Yes Yes Yes n/a
Side Keys Yes - - Yes
Text Keyboard, Hardware - - - Yes
Touch Screen - - - Yes
Memory
Memory Card Slot Yes - - Yes
Messaging
Email Client Yes - Yes n/a
EMS / Picture Messaging - Yes Yes n/a
Instant Messaging Yes Yes - n/a
MMS Yes Yes Yes n/a
Text Messaging Templates Yes Yes - n/a
Music
FM Radio - - - Yes
Headphone Jack (3.5mm) - - - Yes
Music Player Yes - - n/a
Power
Fast Charging - - - Yes
Productivity
Alarm Yes Yes Yes n/a
Calculator Yes Yes Yes n/a
Calendar Yes - Yes n/a
Voice Memo Yes - - n/a
Software
BREW Yes - - n/a
Games Yes Yes Yes n/a
Java (J2ME) - - Yes n/a
Voice
HD Voice - - - Yes
Headset Jack (2.5 mm) Yes Yes - n/a
Push-To-Talk Yes Yes * - -
Speaker Phone Yes Yes - Yes
  * Some versions only
  Casio G'zOne Rock Motorola V177 Nokia 2651 BlackBerry Key2 LE
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Casio G'zOne Rock Motorola V177 Nokia 2651 BlackBerry Key2 LE

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