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Phone	BlackBerry 8830	Huawei Ascend Q	Samsung SCH-A990	ZTE Blade Vantage	BlackBerry Storm2 9550
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	3.2" diag. 5 : 3	?	5" diag. 16 : 9	3.3" diag. 4 : 3
Display Resolution & Type	320 x 240 pixels LCD (TFT/TFD)	320 x 480 pixels (~180 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)	360 x 480 pixels (~185 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	60 Hz	?
Battery	1,400 mAh	1,500 mAh	1,000 mAh	2,500 mAh	1,400 mAh
Processor	?	800 MHz Qualcomm MSM7627A	?	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	?
RAM	?	512 MB	?	2 GB	?
Storage	? raw hardware	2 GB	? raw hardware	16 GB	? raw hardware
Main Camera	-	3 megapixel	3 megapixel	8 megapixel	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	?	?	720p HD	?
Front Camera	-	-	-	2 megapixel	-
Weight	4.6 oz (130g)	4.6 oz (130g)	4.4 oz (125g)	5.29 oz (150g)	5.64 oz (160g)
Dimensions	4.49" x 2.6" x 0.55" (114 x 66 x 14 mm)	4.8" x 2.3" x 0.5" (122 x 58 x 12.7 mm)	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)	5.73" x 2.85" x 0.36" (146 x 72 x 9.2 mm)	4.43" x 2.45" x 0.55" (113 x 62 x 14 mm)
Form Factor	Slab	Slab	Clamshell	Slab	Slab
Platform / OS	BlackBerry OS	Android	(proprietary)	Android	BlackBerry OS
Network Bands	CDMA: 850, 1900 GSM: 900, 1800 *	CDMA: 850, 1700, 1900	CDMA: 850, 1900	4G LTE: 2, 4, 5, 13	WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900
Data Technology	EVDO r0	EVDO rA	EVDO r0	LTE (Cat 4)	EVDO rA
Features
Flashlight	-	-	Yes	Yes	-
GPS / Location	n/a	n/a	Yes	n/a	n/a
Accessibility
Adjustable Text Size	n/a	n/a	-	n/a	n/a
Hearing Aid Compatible	Yes M4, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)
Multiple Languages	n/a	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	Yes	-	-
Ringer Profiles	Yes	-	-	-	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Mobile Hotspot	n/a	n/a	-	n/a	n/a
USB	Yes	Yes Micro-USB	Yes	Yes Micro-USB	Yes
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	Yes 4 (802.11 b,g,n)	Yes 802.11 b,g
Contacts
Picture ID	n/a	n/a	Yes	n/a	n/a
Ringer ID	n/a	n/a	Yes	n/a	n/a
Voice Dialing	n/a	n/a	Yes	n/a	n/a
Customization
Custom Graphics	n/a	n/a	Yes	n/a	n/a
Custom Ringtones	n/a	n/a	Yes	n/a	n/a
Real-Music Ringers	n/a	n/a	Yes	n/a	n/a
Data & Network
Data Tethering	n/a	n/a	Yes	n/a	n/a
WAP / Web Browser	n/a	n/a	Yes	n/a	n/a
Input
Predictive Text Entry	n/a	n/a	Yes	n/a	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	Yes	Yes
Messaging
Email Client	n/a	n/a	-	n/a	n/a
EMS / Picture Messaging	n/a	n/a	Yes	n/a	n/a
Instant Messaging	n/a	n/a	-	n/a	n/a
MMS	n/a	n/a	Yes	n/a	n/a
Text Messaging Templates	n/a	n/a	Yes	n/a	n/a
Music
Headphone Jack (3.5mm)	-	Yes	-	Yes	Yes
Music Player	n/a	n/a	Yes	n/a	n/a
Stereo Speakers	-	-	Yes	-	-
Photo & Video
TV Output	-	-	Yes	-	-
Productivity
Alarm	n/a	n/a	Yes	n/a	n/a
Calculator	n/a	n/a	Yes	n/a	n/a
Calendar	n/a	n/a	Yes	n/a	n/a
To-Do List	n/a	n/a	-	n/a	n/a
Voice Memo	n/a	n/a	Yes	n/a	n/a
Software
BREW	n/a	n/a	Yes	n/a	n/a
Games	n/a	n/a	Yes	n/a	n/a
Java (J2ME)	n/a	n/a	-	n/a	n/a
Voice
HD Voice	-	-	-	Yes	-
Headset Jack (2.5 mm)	n/a	n/a	-	n/a	n/a
Push-To-Talk	Yes *	-	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	BlackBerry 8830	Huawei Ascend Q	Samsung SCH-A990	ZTE Blade Vantage	BlackBerry Storm2 9550
	X >	< X >	< X >	< X >	< X

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


Phone	BlackBerry 8830	Huawei Ascend Q	Samsung SCH-A990	ZTE Blade Vantage	BlackBerry Storm2 9550