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Phone	BlackBerry 7750	Audiovox PPC 4100 / SP230	ZTE MSGM8 II	LG AX-390 / UX-390	Coolpad Quattro 4G
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	2.2" diag. 4 : 3	?	4" diag. 5 : 3
Display Resolution & Type	240 x 240 pixels LCD (Color)	240 x 320 pixels LCD (TFT/TFD)	220 x 176 pixels (~130 ppi) LCD (TFT/TFD)	128 x 128 pixels LCD (STN)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	60 Hz
Battery	?	1,480 mAh	900 mAh	1,000 mAh	1,600 mAh
Processor	?	400 MHz Intel XScale	?	?	?
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	512 MB
Main Camera	-	-	1 megapixel	-	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	-	-	VGA (640 x 480)
Front Camera	-	-	-	-	Yes
Weight	5.01 oz (142g)	5.57 oz (158g)	3.65 oz (104g)	3.74 oz (106g)	3.31 oz (94g)
Dimensions	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)	4.29" x 2.7" x 0.85" (109 x 69 x 21.6 mm)	4.2" x 2.4" x 0.54" (107 x 61 x 13.7 mm)	3.82" x 1.98" x 0.94" (97 x 50 x 23.9 mm)	4.96" x 2.6" x 0.51" (126 x 66 x 13 mm)
Form Factor	Slab	Slab	Slab	Clamshell	Slab
Platform / OS	BlackBerry OS	Windows Mobile Professional	(proprietary)	(proprietary)	Android
Network Bands	CDMA: 850, 1900	GSM: 850, 1800, 1900 *	CDMA: 850, 1700, 1900	CDMA: 850, 1900 AMPS: 850	4G LTE: 2, 4 CDMA: 850, 1700, 1900
Data Technology	1xRTT	GPRS	1xRTT	1xRTT	LTE (Cat 3)
Features
GPS / Location	n/a	n/a	Yes	Yes	n/a
Accessibility
Hearing Aid Compatible	-	-	Yes M4, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	n/a	Yes	Yes	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	Yes	-	-	-	-
Connectivity
Bluetooth	-	-	Yes	-	Yes
Infrared (IR)	-	Yes	-	-	-
Mobile Hotspot	n/a	n/a	-	-	n/a
USB	Yes	Yes	Yes Mini-USB	-	Yes
Wi-Fi	-	-	-	-	Yes
Contacts
Picture ID	n/a	n/a	Yes	Yes	n/a
Ringer ID	n/a	n/a	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	Yes	n/a
Data & Network
Data Tethering	n/a	n/a	-	-	n/a
WAP / Web Browser	n/a	n/a	Yes	Yes	n/a
Input
Predictive Text Entry	n/a	n/a	-	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	Yes	-	-
Touch Screen	-	Yes	-	-	Yes Capacitive
Memory
Memory Card Slot	-	Yes	-	-	Yes
Messaging
Email Client	n/a	n/a	-	-	n/a
Instant Messaging	n/a	n/a	-	-	n/a
MMS	n/a	n/a	Yes	Yes	n/a
Music
Headphone Jack (3.5mm)	-	-	-	-	Yes
Music Player	n/a	n/a	-	-	n/a
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	-	-	n/a
Voice Memo	n/a	n/a	Yes	Yes	n/a
Software
BREW	n/a	n/a	Yes	Yes	n/a
Games	n/a	n/a	Yes	Yes	n/a
Java (J2ME)	n/a	n/a	-	-	n/a
Voice
Headset Jack (2.5 mm)	n/a	n/a	Yes	Yes	n/a
Push-To-Talk	-	-	-	Yes	-
Speaker Phone	-	Yes	Yes	Yes	Yes
	BlackBerry 7750	Audiovox PPC 4100 / SP230	ZTE MSGM8 II	LG AX-390 / UX-390	Coolpad Quattro 4G
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	BlackBerry 7750	Audiovox PPC 4100 / SP230	ZTE MSGM8 II	LG AX-390 / UX-390	Coolpad Quattro 4G