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Phone	Huawei Ascend II	ZTE Z331	Samsung Captivate Glide	ZTE Z221	BlackBerry 7750
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.5" diag. 5 : 3	2.4" diag. 4 : 3	4" diag. 5 : 3	2" diag. 4 : 3	?
Display Resolution & Type	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	176 x 220 pixels (~117 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) AMOLED	240 x 320 pixels (~200 ppi) LCD (TFT/TFD)	240 x 240 pixels LCD (Color)
Display Refresh	60 Hz	?	60 Hz	?	?
Battery	1,400 mAh	950 mAh	1,650 mAh	900 mAh	?
Processor	600 MHz Qualcomm S1 MSM7627	?	1 GHz Nvidia Tegra 2 AP20H	?	?
RAM	?	?	1 GB	?	?
Storage	? raw hardware	? raw hardware	8 GB	142 MB	? raw hardware
Main Camera	5 megapixel	3 megapixel	8 megapixel	Yes	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	VGA (640 x 480)	QCIF (176 x 144)	720p HD	QCIF (176 x 144)	-
Front Camera	-	-	1 megapixel	-	-
Weight	4.1 oz (116g)	4 oz (113g)	5.2 oz (147g)	3.24 oz (92g)	5.01 oz (142g)
Dimensions	4.6" x 2.4" x 0.5" (117 x 61 x 12.7 mm)	3.84" x 2.02" x 0.69" (98 x 51 x 17.5 mm)	4.88" x 2.55" x 0.51" (124 x 65 x 13 mm)	3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm)	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)
Form Factor	Slab	Clamshell	Slide	Clamshell	Slab
Platform / OS	Android	(proprietary)	Android	(proprietary)	BlackBerry OS
Network Bands	CDMA: 850, 1700, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	EVDO rA	HSDPA 3.6	HSPA+ 21	HSDPA 3.6	1xRTT
Features
GPS / Location	n/a	Yes	n/a	Yes	n/a
Accessibility
Hearing Aid Compatible	Yes	Yes	Yes	Yes	-
Multiple Languages	n/a	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	Yes	-	Yes	-
Ringer Profiles	-	Yes	-	Yes	Yes
Connectivity
Bluetooth	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio	-
Mobile Hotspot	n/a	-	n/a	-	n/a
USB	Yes Micro-USB	Yes Micro-USB	Yes Micro-USB	Yes	Yes
Wi-Fi	Yes 4 (802.11 b,g,n)	-	Yes	-	-
Contacts
Picture ID	n/a	Yes	n/a	-	n/a
Ringer ID	n/a	Yes	n/a	-	n/a
Voice Dialing	n/a	-	n/a	-	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	Yes	n/a	Yes	n/a
Data & Network
Data Tethering	n/a	Yes	n/a	-	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	-	Yes	-	-
Memory
Memory Card Slot	Yes	Yes	Yes	-	-
Messaging
Email Client	n/a	Yes	n/a	Yes	n/a
Instant Messaging	n/a	Yes	n/a	Yes	n/a
MMS	n/a	Yes	n/a	Yes	n/a
Text Messaging Templates	n/a	Yes	n/a	Yes	n/a
Music
Headphone Jack (3.5mm)	Yes	-	Yes	-	-
Music Player	n/a	Yes	n/a	-	n/a
Photo & Video
DLNA	-	-	Yes	-	-
TV Output	-	-	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	-	n/a	-	n/a
Voice Memo	n/a	Yes	n/a	Yes	n/a
Software
Games	n/a	Yes	n/a	Yes	n/a
Java (J2ME)	n/a	Yes	n/a	Yes	n/a
Voice
Headset Jack (2.5 mm)	n/a	-	n/a	-	n/a
Speaker Phone	Yes	Yes	Yes	Yes	-
	Huawei Ascend II	ZTE Z331	Samsung Captivate Glide	ZTE Z221	BlackBerry 7750
	X >	< X >	< X >	< X >	< X

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


Phone	Huawei Ascend II	ZTE Z331	Samsung Captivate Glide	ZTE Z221	BlackBerry 7750