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Phone	Samsung Rugby A837	Sony Ericsson J300a	BlackBerry 7750	BlackBerry Classic (CDMA)	Huawei Valiant
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2" diag. 4 : 3	?	?	3.5" diag. 1 : 1	4" diag. 5 : 3
Display Resolution & Type	176 x 220 pixels (~141 ppi) LCD (TFT/TFD)	128 x 128 pixels LCD (STN)	240 x 240 pixels LCD (Color)	720 x 720 pixels (~291 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	60 Hz
Battery	1,000 mAh	?	?	2,515 mAh	1,750 mAh
Processor	?	?	?	1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960	1 GHz Qualcomm Snapdragon S4 Play MSM8225
RAM	?	?	?	2 GB	768 MB
Storage	? raw hardware	? raw hardware	? raw hardware	16 GB	4 GB
Main Camera	1 megapixel	-	-	8 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QCIF (176 x 144)	-	-	1080p HD	WVGA / 480p
Front Camera	-	-	-	2 megapixel	-
Weight	4.66 oz (132g)	2.75 oz (78g)	5.01 oz (142g)	6.28 oz (178g)	4.94 oz (140g)
Dimensions	3.95" x 2.05" x 0.9" (100 x 52 x 22.9 mm)	3.9" x 1.68" x 0.72" (99 x 43 x 18.3 mm)	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)	5.16" x 2.85" x 0.4" (131 x 72 x 10.2 mm)	4.96" x 2.52" x 0.45" (126 x 64 x 11.4 mm)
Form Factor	Clamshell	Slab	Slab	Slab	Slab
Platform / OS	(proprietary)	(proprietary)	BlackBerry OS	BlackBerry 10	Android
Network Bands	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	GSM: 850, 1900	CDMA: 850, 1900	4G LTE: 3, 4, 13 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	HSDPA 3.6	GPRS	1xRTT	LTE (Cat 3)	HSPA 7.2
Features
GPS / Location	Yes	-	n/a	n/a	n/a
Ruggedized	Yes	-	-	-	-
Accessibility
Adjustable Text Size	-	-	n/a	n/a	n/a
Hearing Aid Compatible	Yes	-	-	Yes	Yes
Multiple Languages	Yes	-	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	Yes	-	-	-	-
Ringer Profiles	-	Yes	Yes	Yes	-
Connectivity
Bluetooth	Yes Classic Audio	-	-	Yes Classic Audio	Yes Classic Audio
Mobile Hotspot	-	-	n/a	n/a	n/a
NFC	-	-	-	Yes	-
USB	Yes	Yes	Yes	Yes Micro-USB	Yes Micro-USB
Wi-Fi	-	-	-	Yes 4 (802.11 a,b,g,n)	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	Yes	n/a	n/a	n/a
Ringer ID	Yes	-	n/a	n/a	n/a
Voice Dialing	-	Yes	n/a	n/a	n/a
Customization
Changeable Body Plates	-	Yes	-	-	-
Custom Graphics	Yes	Yes	n/a	n/a	n/a
Custom Ringtones	Yes	Yes	n/a	n/a	n/a
Real-Music Ringers	Yes	-	n/a	n/a	n/a
Data & Network
Data Tethering	Yes	Yes	n/a	n/a	n/a
WAP / Web Browser	Yes	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	Yes	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	Yes
Messaging
Email Client	Yes	Yes	n/a	n/a	n/a
EMS / Picture Messaging	-	Yes	n/a	n/a	n/a
Instant Messaging	Yes	-	n/a	n/a	n/a
MMS	Yes	Yes	n/a	n/a	n/a
Text Messaging Templates	Yes	-	n/a	n/a	n/a
Music
FM Radio	-	-	-	Yes	Yes
Headphone Jack (3.5mm)	-	-	-	Yes	Yes
Music Player	Yes	-	n/a	n/a	n/a
Photo & Video
DLNA	-	-	-	Yes	-
Miracast	-	-	-	Yes	-
TV Output	-	-	-	Yes	-
Productivity
Alarm	Yes	Yes	n/a	n/a	n/a
Calculator	Yes	Yes	n/a	n/a	n/a
Calendar	Yes	Yes	n/a	n/a	n/a
To-Do List	-	Yes	n/a	n/a	n/a
Voice Memo	Yes	Yes	n/a	n/a	n/a
Software
Games	Yes	Yes	n/a	n/a	n/a
Java (J2ME)	Yes	Yes	n/a	n/a	n/a
Voice
Headset Jack (2.5 mm)	-	-	n/a	n/a	n/a
Push-To-Talk	Yes	-	-	-	-
Speaker Phone	Yes	Yes	-	Yes	Yes
	Samsung Rugby A837	Sony Ericsson J300a	BlackBerry 7750	BlackBerry Classic (CDMA)	Huawei Valiant
	X >	< X >	< X >	< X >	< X

NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Samsung Rugby A837	Sony Ericsson J300a	BlackBerry 7750	BlackBerry Classic (CDMA)	Huawei Valiant