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Phone BlackBerry 7750 Sonim XP10 Samsung SCH-A990 Samsung SPH-N400 Motorola Charm
Current U.S. Carriers (none) AT&T
T-Mobile
Verizon
(none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 5.5" diag.
18 : 9
? ? 2.8" diag.
4 : 3
Display Resolution & Type 240 x 240 pixels
LCD (Color)
1080 x 2160 pixels
(~439 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
128 x 128 pixels
LCD (STN)
320 x 240 pixels
(~143 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ? 60 Hz
Battery ? 5,000 mAh 1,000 mAh ? 1,170 mAh
Processor ? 2.2 GHz Qualcomm Snapdragon 480 ? ? 720 MHz TI OMAP3410
RAM ? 6 GB ? ? ?
Storage ? raw hardware 128 GB ? raw hardware ? raw hardware ? raw hardware
Main Camera - 50 megapixel 3 megapixel - 3 megapixel
Wide Camera - 8 megapixel - - -
Tele Camera - - - - -
Video Capture - 1080p HD ? - ?
Front Camera - 8 megapixel - - -
Weight 5.01 oz
(142g)
11.3 oz
(320g)
4.4 oz
(125g)
4 oz
(113g)
3.88 oz
(110g)
Dimensions 4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
6.34" x 3.05" x 0.65"
(161 x 77 x 16.5 mm)
3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
4.25" x 2.04" x 0.82"
(108 x 52 x 20.8 mm)
3.87" x 2.65" x 0.45"
(98 x 67 x 11.4 mm)
Form Factor Slab Slab Clamshell Flip Slab
Platform / OS BlackBerry OS Android (proprietary) (proprietary) Android
Network Bands

CDMA: 850, 1900

5G: 2, 5, 14, 25, 30, 41, 48, 66, 71, 77-A, 77-C, 78

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 29, 30, 38, 39, 40, 41, 42, 46, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

*

CDMA: 850, 1900

CDMA: 850, 1900

AMPS: 850

WCDMA: 4

GSM: 850, 900, 1800, 1900

*

Data Technology 1xRTT NR (5G) EVDO r0 1xRTT HSDPA 3.6
Features 
Barometer - Yes - - -
Fingerprint Reader - Yes
stand-alone
- - -
Flashlight - Yes Yes - -
GPS / Location n/a n/a Yes Yes n/a
Ruggedized - Yes - - -
Water-Resistant - Yes
IPX9 (dishwasher)
- - -
Accessibility
Hearing Aid Compatible - Yes
M4, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
- -
Multiple Languages n/a n/a Yes Yes n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - - Yes - -
Ringer Profiles Yes - - - -
Connectivity
Bluetooth - Yes Yes - Yes
NFC - Yes - - -
USB Yes Yes
USB Type C
Yes Yes Yes
Micro-USB
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
- - Yes
4 (802.11 b,g,n)
Contacts
Picture ID n/a n/a Yes Yes n/a
Ringer ID n/a n/a Yes Yes n/a
Voice Dialing n/a n/a Yes Yes n/a
Customization
Custom Graphics n/a n/a Yes Yes n/a
Custom Ringtones n/a n/a Yes Yes n/a
Real-Music Ringers n/a n/a Yes - n/a
Data & Network
Data Tethering n/a n/a Yes Yes n/a
Dual-SIM - Yes - - -
WAP / Web Browser n/a n/a Yes Yes n/a
Input
Predictive Text Entry n/a n/a Yes Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - - Yes
Touch Screen - Yes
Capacitive
- - Yes
Capacitive
Memory
Memory Card Slot - Yes Yes - Yes
Messaging
Email Client n/a n/a - - n/a
EMS / Picture Messaging n/a n/a Yes - n/a
Instant Messaging n/a n/a - - n/a
MMS n/a n/a Yes - n/a
Text Messaging Templates n/a n/a Yes - n/a
Music
Headphone Jack (3.5mm) - - - - Yes
Music Player n/a n/a Yes - n/a
Stereo Speakers - - Yes - -
Photo & Video
TV Output - - Yes - -
Power
Fast Charging - Yes - - -
Wireless Charging - Yes - - -
Productivity
Alarm n/a n/a Yes Yes n/a
Calculator n/a n/a Yes Yes n/a
Calendar n/a n/a Yes Yes n/a
To-Do List n/a n/a - Yes n/a
Voice Memo n/a n/a Yes - n/a
Software
BREW n/a n/a Yes - n/a
Games n/a n/a Yes Yes n/a
Java (J2ME) n/a n/a - Yes n/a
Voice
HD Voice - Yes - - -
Headset Jack (2.5 mm) n/a n/a - Yes n/a
Push-To-Talk - Yes - - -
Speaker Phone - Yes Yes Yes Yes
  BlackBerry 7750 Sonim XP10 Samsung SCH-A990 Samsung SPH-N400 Motorola Charm
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone BlackBerry 7750 Sonim XP10 Samsung SCH-A990 Samsung SPH-N400 Motorola Charm

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