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Phone BlackBerry Key2 Samsung SCH-A990 Sharp Sidekick LX 2007 Kyocera 3225 Samsung SGH-X820
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4.5" diag.
5 : 3
? 3" diag.
5 : 3
? ?
Display Resolution & Type 1080 x 1620 pixels
(~433 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
400 x 240 pixels
(~155 ppi)
LCD (TFT/TFD)
?
LCD (Grayscale)
220 x 176 pixels
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? ? ?
Battery 3,500 mAh 1,000 mAh 1,540 mAh ? 650 mAh
Processor 2.2 GHz Qualcomm Snapdragon 660 ? 200 MHz OMAP 331 ? ?
RAM 6 GB ? ? ? ?
Storage 64 GB * ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera 12 megapixel 3 megapixel 1 megapixel - 2 megapixel
Wide Camera - - - - -
Tele Camera 12 megapixel - - - -
Video Capture 4K UHD ? ? - ?
Front Camera 8 megapixel - - - -
Weight 5.93 oz
(168g)
4.4 oz
(125g)
5.7 oz
(162g)
4.23 oz
(120g)
2.33 oz
(66g)
Dimensions 5.96" x 2.82" x 0.33"
(151 x 72 x 8.4 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
5.12" x 2.36" x 0.7"
(130 x 60 x 17.9 mm)
3.4" x 1.97" x 1.02"
(86 x 50 x 25.9 mm)
4.45" x 1.97" x 0.27"
(113 x 50 x 6.9 mm)
Form Factor Slab Clamshell Swivel Slab Slab
Platform / OS Android (proprietary) (proprietary) (proprietary) (proprietary)
Network Bands

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 28, 29, 30, 38, 40, 41, 66

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

GSM: 900, 1800, 1900

Data Technology LTE (Cat 11) EVDO r0 EDGE 1xRTT EDGE
Features 
Fingerprint Reader Yes
stand-alone
- - - -
Flashlight Yes Yes Yes - -
GPS / Location n/a Yes - Yes -
Accessibility
Adjustable Text Size n/a - Yes - -
Hearing Aid Compatible Yes Yes Yes - -
Multiple Languages n/a Yes - Yes Yes
TTY/TDD (Digital) Yes Yes - Yes -
Alerts
Extra Display - Yes - - -
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes Yes Yes - Yes
NFC Yes - - - -
USB Yes
USB Type C
Yes Yes - Yes
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- - - -
Contacts
Picture ID n/a Yes Yes - Yes
Ringer ID n/a Yes Yes - Yes
Voice Dialing n/a Yes - Yes -
Customization
Custom Graphics n/a Yes Yes Yes Yes
Custom Ringtones n/a Yes Yes Yes Yes
Real-Music Ringers n/a Yes Yes - Yes
Data & Network
Data Tethering n/a Yes - Yes -
External Antenna Jack n/a - - - Yes
WAP / Web Browser n/a Yes Yes Yes Yes
Input
Predictive Text Entry n/a Yes - Yes Yes
Side Keys Yes Yes Yes - Yes
Text Keyboard, Hardware Yes - Yes - -
Touch Screen Yes - - - -
Memory
Memory Card Slot Yes Yes Yes - -
Messaging
Email Client n/a - Yes - Yes
EMS / Picture Messaging n/a Yes - Yes Yes
Instant Messaging n/a - Yes - -
MMS n/a Yes Yes - Yes
Text Messaging Templates n/a Yes Yes - Yes
Music
FM Radio Yes - - - -
Headphone Jack (3.5mm) Yes - Yes - -
Music Player n/a Yes Yes - -
Stereo Speakers - Yes - - -
Photo & Video
TV Output Yes Yes - - Yes
Power
Fast Charging Yes - - - -
Productivity
Alarm n/a Yes Yes * Yes Yes
Calculator n/a Yes - Yes Yes
Calendar n/a Yes Yes Yes Yes
To-Do List n/a - Yes - Yes
Voice Memo n/a Yes - - Yes
Software
BREW n/a Yes - Yes -
Games n/a Yes Yes Yes Yes
Java (J2ME) n/a - Yes - Yes
Voice
HD Voice Yes - - - -
Headset Jack (2.5 mm) n/a - - Yes -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  BlackBerry Key2 Samsung SCH-A990 Sharp Sidekick LX 2007 Kyocera 3225 Samsung SGH-X820
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone BlackBerry Key2 Samsung SCH-A990 Sharp Sidekick LX 2007 Kyocera 3225 Samsung SGH-X820

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