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Phone BlackBerry Storm2 9550 AT&T Maestro 3 BlackBerry KEYone Sanyo RL-4920 BlackBerry 7750
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 3.3" diag.
4 : 3
6.5" diag.
20 : 9
4.5" diag.
5 : 3
? ?
Display Resolution & Type 360 x 480 pixels
(~185 ppi)
LCD (TFT/TFD)
720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
1080 x 1620 pixels
(~433 ppi)
LCD (TFT/TFD)
128 x 112 pixels
LCD (Color)
240 x 240 pixels
LCD (Color)
Display Refresh ? 60 Hz 60 Hz ? ?
Battery 1,400 mAh 3,900 mAh 3,505 mAh 1,700 mAh ?
Processor ? 2 GHz MediaTek Helio A22 (MT6761) 2 GHz Qualcomm Snapdragon 625 (MSM8953) ? ?
RAM ? 3 GB 3 GB ? ?
Storage ? raw hardware 32 GB 32 GB ? raw hardware ? raw hardware
Main Camera 3 megapixel 13 megapixel 12 megapixel - -
Wide Camera - 5 megapixel - - -
Tele Camera - - - - -
Video Capture ? 1080p HD 4K UHD - -
Front Camera - 5 megapixel 8 megapixel - -
Weight 5.64 oz
(160g)
6.24 oz
(177g)
6.35 oz
(180g)
4.03 oz
(114g)
5.01 oz
(142g)
Dimensions 4.43" x 2.45" x 0.55"
(113 x 62 x 14 mm)
6.58" x 3.03" x 0.33"
(167 x 77 x 8.4 mm)
5.87" x 2.85" x 0.37"
(149 x 72 x 9.4 mm)
4.22" x 1.85" x 0.85"
(107 x 47 x 21.6 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS BlackBerry OS Android Android (proprietary) BlackBerry OS
Network Bands

WCDMA: 1

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 12, 14, 30

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 29, 30, 41

WCDMA: 1, 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

Data Technology EVDO rA LTE (Cat 4) LTE (Cat 6) 1xRTT 1xRTT
Features 
Barometer - Yes - - -
Fingerprint Reader - Yes
stand-alone
Yes
stand-alone
- -
Flashlight - Yes Yes - -
GPS / Location n/a n/a n/a Yes n/a
Accessibility
Adjustable Text Size n/a n/a n/a - n/a
Hearing Aid Compatible Yes
M3 (mostly compatible)
Yes
M4, T4 (very tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
- -
Multiple Languages n/a n/a n/a Yes n/a
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Ringer Profiles Yes - - - Yes
Connectivity
Bluetooth Yes Yes Yes - -
NFC - - Yes - -
USB Yes Yes
USB Type C
Yes
USB Type C
Yes Yes
Wi-Fi Yes
802.11 b,g
Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
- -
Contacts
Picture ID n/a n/a n/a Yes n/a
Ringer ID n/a n/a n/a Yes n/a
Voice Dialing n/a n/a n/a Yes n/a
Customization
Custom Graphics n/a n/a n/a Yes n/a
Custom Ringtones n/a n/a n/a Yes n/a
Real-Music Ringers n/a n/a n/a - n/a
Data & Network
Data Tethering n/a n/a n/a - n/a
WAP / Web Browser n/a n/a n/a Yes n/a
Input
Predictive Text Entry n/a n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes - Yes
Touch Screen Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
- -
Memory
Memory Card Slot Yes Yes Yes - -
Messaging
Email Client n/a n/a n/a - n/a
Instant Messaging n/a n/a n/a - n/a
MMS n/a n/a n/a - n/a
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) Yes Yes Yes - -
Music Player n/a n/a n/a - n/a
Photo & Video
Miracast - - Yes - -
Power
Fast Charging - - Yes - -
Productivity
Alarm n/a n/a n/a Yes n/a
Calculator n/a n/a n/a Yes n/a
Calendar n/a n/a n/a Yes n/a
To-Do List n/a n/a n/a Yes n/a
Voice Memo n/a n/a n/a Yes n/a
Software
Games n/a n/a n/a Yes n/a
Java (J2ME) n/a n/a n/a Yes n/a
Voice
Call Screening - - - Yes -
HD Voice - Yes Yes - -
Headset Jack (2.5 mm) n/a n/a n/a Yes n/a
Push-To-Talk - - - Yes -
Speaker Phone Yes Yes Yes Yes -
  BlackBerry Storm2 9550 AT&T Maestro 3 BlackBerry KEYone Sanyo RL-4920 BlackBerry 7750
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone BlackBerry Storm2 9550 AT&T Maestro 3 BlackBerry KEYone Sanyo RL-4920 BlackBerry 7750

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