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Phone Sharp Sidekick LX 2009 Huawei P9 BlackBerry 7750 Samsung Galaxy S21
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Not yet released Released Released
Specifications 
Display Size 3.2" diag.
16 : 9
5.2" diag.
16 : 9
? 6.2" diag.
20 : 9
Display Resolution & Type 854 x 480 pixels
(~306 ppi)
LCD (TFT/TFD)
1920 x 1080 pixels
(~424 ppi)
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
1080 x 2400 pixels
(~424 ppi)
AMOLED
Display Refresh ? 60 Hz ? 120 Hz
Battery 1,250 mAh 3,000 mAh ? 4,000 mAh
Processor ? 2.5 GHz Huawei Kirin 955 ? 2.8 GHz Qualcomm Snapdragon 888
RAM ? 3 GB * ? 8 GB
Storage ? raw hardware 32 GB * ? raw hardware 128 GB *
Main Camera 3 megapixel 12 megapixel - 12 megapixel
Wide Camera - - - 12 megapixel
Tele Camera - - - 64 megapixel
Video Capture QVGA (320 x 240) 1080p HD - 8K
Front Camera - 8 megapixel - 10 megapixel
Weight 5.78 oz
(164g)
5.05 oz
(143g)
5.01 oz
(142g)
6.03 oz
(171g)
Dimensions 5.12" x 2.36" x 0.63"
(130 x 60 x 16 mm)
5.71" x 2.79" x 0.28"
(145 x 71 x 7.1 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
5.97" x 2.8" x 0.31"
(152 x 71 x 7.9 mm)
Form Factor Swivel Slab Slab Slab
Platform / OS (proprietary) Android BlackBerry OS Android
Network Bands

WCDMA: 1, 4

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

5G: 2, 5, 12, 25, 30, 41, 66, 71, 77-C, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology HSPA 7.2 LTE (Cat 6) 1xRTT NR (5G)
Features 
Barometer - - - Yes
Fingerprint Reader - Yes - Yes
in-display (ultrasonic)
Flashlight - Yes - Yes
GPS / Location Yes n/a n/a n/a
Water-Resistant - - - Yes
IPX8 (SCUBA)
Accessibility
Adjustable Text Size Yes n/a n/a n/a
Hearing Aid Compatible Yes - - Yes
Multiple Languages Yes n/a n/a n/a
TTY/TDD (Digital) - - Yes Yes
Alerts
Ringer Profiles Yes - Yes -
Connectivity
Bluetooth Yes
Classic Audio
Yes - Yes
Classic Audio
Mobile Hotspot - n/a n/a n/a
NFC - Yes * - Yes
USB Yes Yes
USB Type C
Yes Yes
USB Type C
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
- Yes
6 (802.11 a,ac,ax,b,g,n)
Contacts
Picture ID Yes n/a n/a n/a
Ringer ID Yes n/a n/a n/a
Voice Dialing - n/a n/a n/a
Customization
Custom Graphics Yes n/a n/a n/a
Custom Ringtones Yes n/a n/a n/a
Real-Music Ringers Yes n/a n/a n/a
Data & Network
Data Tethering - n/a n/a n/a
Dual-SIM - Yes * - -
WAP / Web Browser Yes n/a n/a n/a
Input
Predictive Text Entry - n/a n/a n/a
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware Yes - Yes -
Touch Screen - Yes - Yes
Memory
Memory Card Slot Yes Yes - -
Messaging
Email Client Yes n/a n/a n/a
Instant Messaging Yes n/a n/a n/a
MMS Yes n/a n/a n/a
Text Messaging Templates Yes n/a n/a n/a
Music
Headphone Jack (3.5mm) Yes Yes - -
Music Player Yes n/a n/a n/a
Stereo Speakers - - - Yes
Photo & Video
DLNA - Yes - -
Miracast - Yes - -
TV Output - - - Yes
Power
Fast Charging - Yes - Yes
Wireless Charging - - - Yes
Productivity
Alarm Yes n/a n/a n/a
Calculator - n/a n/a n/a
Calendar Yes n/a n/a n/a
To-Do List Yes n/a n/a n/a
Voice Memo - n/a n/a n/a
Software
Games Yes n/a n/a n/a
Java (J2ME) Yes n/a n/a n/a
Voice
HD Voice - Yes - Yes
Headset Jack (2.5 mm) - n/a n/a n/a
Speaker Phone Yes Yes - Yes
  * Some versions only
  Sharp Sidekick LX 2009 Huawei P9 BlackBerry 7750 Samsung Galaxy S21
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Sharp Sidekick LX 2009 Huawei P9 BlackBerry 7750 Samsung Galaxy S21

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