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Phone	BlackBerry 7750	Samsung SCH-A220	ZTE Blade Vantage	Motorola ROKR E1	BlackBerry Curve 3G 9330
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	5" diag. 16 : 9	?	2.5" diag. 4 : 3
Display Resolution & Type	240 x 240 pixels LCD (Color)	128 x 128 pixels LCD (STN)	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	320 x 240 pixels (~160 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	?
Battery	?	?	2,500 mAh	?	1,150 mAh
Processor	?	?	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	?	?
RAM	?	?	2 GB	?	?
Storage	? raw hardware	? raw hardware	16 GB	? raw hardware	? raw hardware
Main Camera	-	-	8 megapixel	Yes	2 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	720p HD	?	?
Front Camera	-	-	2 megapixel	-	-
Weight	5.01 oz (142g)	3.25 oz (92g)	5.29 oz (150g)	3.77 oz (107g)	3.7 oz (105g)
Dimensions	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)	2.87" x 2.09" x 0.94" (73 x 53 x 23.9 mm)	5.73" x 2.85" x 0.36" (146 x 72 x 9.2 mm)	4.25" x 1.81" x 0.8" (108 x 46 x 20.3 mm)	4.29" x 2.36" x 0.55" (109 x 60 x 14 mm)
Form Factor	Slab	Clamshell	Slab	Slab	Slab
Platform / OS	BlackBerry OS	(proprietary)	Android	(proprietary)	BlackBerry OS
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	4G LTE: 2, 4, 5, 13	GSM: 850, 1800, 1900 *	CDMA: 850, 1900
Data Technology	1xRTT	1xRTT	LTE (Cat 4)	GPRS	EVDO r0
Features
Flashlight	-	-	Yes	-	-
GPS / Location	n/a	Yes	n/a	-	n/a
Accessibility
Adjustable Text Size	n/a	-	n/a	-	n/a
Hearing Aid Compatible	-	-	Yes M4, T4 (very tele-coil compatible)	-	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	n/a	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	Yes
Alerts
Ringer Profiles	Yes	-	-	Yes	Yes
Connectivity
Bluetooth	-	-	Yes	Yes	Yes
USB	Yes	-	Yes Micro-USB	Yes	Yes Micro-USB
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	-	Yes 802.11 b,g
Contacts
Picture ID	n/a	-	n/a	Yes	n/a
Ringer ID	n/a	Yes	n/a	Yes	n/a
Voice Dialing	n/a	Yes	n/a	Yes	n/a
Customization
Custom Graphics	n/a	Yes	n/a	Yes	n/a
Custom Ringtones	n/a	Yes	n/a	Yes	n/a
Real-Music Ringers	n/a	-	n/a	Yes	n/a
Data & Network
Data Tethering	n/a	Yes	n/a	Yes	n/a
WAP / Web Browser	n/a	Yes	n/a	Yes	n/a
Input
Predictive Text Entry	n/a	Yes	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	-	-	Yes
Touch Screen	-	-	Yes Capacitive	-	-
Memory
Memory Card Slot	-	-	Yes	Yes	Yes
Messaging
Email Client	n/a	-	n/a	Yes	n/a
EMS / Picture Messaging	n/a	-	n/a	Yes	n/a
Instant Messaging	n/a	-	n/a	Yes	n/a
MMS	n/a	-	n/a	Yes	n/a
Text Messaging Templates	n/a	Yes	n/a	-	n/a
Music
Headphone Jack (3.5mm)	-	-	Yes	-	Yes
Music Player	n/a	-	n/a	Yes	n/a
Stereo Speakers	-	-	-	Yes	-
Productivity
Alarm	n/a	Yes	n/a	Yes	n/a
Calculator	n/a	Yes	n/a	Yes	n/a
Calendar	n/a	Yes	n/a	Yes	n/a
To-Do List	n/a	Yes	n/a	-	n/a
Voice Memo	n/a	Yes	n/a	Yes	n/a
Software
Games	n/a	-	n/a	Yes	n/a
Java (J2ME)	n/a	-	n/a	Yes	n/a
Voice
HD Voice	-	-	Yes	-	-
Headset Jack (2.5 mm)	n/a	Yes	n/a	Yes	n/a
Speaker Phone	-	-	Yes	Yes	Yes
	BlackBerry 7750	Samsung SCH-A220	ZTE Blade Vantage	Motorola ROKR E1	BlackBerry Curve 3G 9330
	X >	< X >	< X >	< X >	< X

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


Phone	BlackBerry 7750	Samsung SCH-A220	ZTE Blade Vantage	Motorola ROKR E1	BlackBerry Curve 3G 9330