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Phone	Huawei Ascend II	Samsung Captivate Glide	ZTE Z331	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	4" diag. 5 : 3	2.4" diag. 4 : 3	2" diag. 4 : 3	?
Display Resolution & Type	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) AMOLED	176 x 220 pixels (~117 ppi) LCD (TFT/TFD)	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	1,650 mAh	950 mAh	900 mAh	?
Processor	600 MHz Qualcomm S1 MSM7627	1 GHz Nvidia Tegra 2 AP20H	?	?	?
RAM	?	1 GB	?	?	?
Storage	? raw hardware	8 GB	? raw hardware	142 MB	? raw hardware
Main Camera	5 megapixel	8 megapixel	3 megapixel	Yes	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	VGA (640 x 480)	720p HD	QCIF (176 x 144)	QCIF (176 x 144)	-
Front Camera	-	1 megapixel	-	-	-
Weight	4.1 oz (116g)	5.2 oz (147g)	4 oz (113g)	3.24 oz (92g)	5.01 oz (142g)
Dimensions	4.6" x 2.4" x 0.5" (117 x 61 x 12.7 mm)	4.88" x 2.55" x 0.51" (124 x 65 x 13 mm)	3.84" x 2.02" x 0.69" (98 x 51 x 17.5 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	Slide	Clamshell	Clamshell	Slab
Platform / OS	Android	Android	(proprietary)	(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	HSPA+ 21	HSDPA 3.6	HSDPA 3.6	1xRTT
Features
GPS / Location	n/a	n/a	Yes	Yes	n/a
Accessibility
Hearing Aid Compatible	Yes	Yes	Yes	Yes	-
Multiple Languages	n/a	n/a	Yes	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	Yes	Yes	-
Ringer Profiles	-	-	Yes	Yes	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	-
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	n/a	Yes	-	n/a
Ringer ID	n/a	n/a	Yes	-	n/a
Voice Dialing	n/a	n/a	-	-	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	Yes	-	n/a
WAP / Web Browser	n/a	n/a	Yes	Yes	n/a
Input
Predictive Text Entry	n/a	n/a	Yes	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	n/a	Yes	Yes	n/a
Instant Messaging	n/a	n/a	Yes	Yes	n/a
MMS	n/a	n/a	Yes	Yes	n/a
Text Messaging Templates	n/a	n/a	Yes	Yes	n/a
Music
Headphone Jack (3.5mm)	Yes	Yes	-	-	-
Music Player	n/a	n/a	Yes	-	n/a
Photo & Video
DLNA	-	Yes	-	-	-
TV Output	-	Yes	-	-	-
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
Games	n/a	n/a	Yes	Yes	n/a
Java (J2ME)	n/a	n/a	Yes	Yes	n/a
Voice
Headset Jack (2.5 mm)	n/a	n/a	-	-	n/a
Speaker Phone	Yes	Yes	Yes	Yes	-
	Huawei Ascend II	Samsung Captivate Glide	ZTE Z331	ZTE Z221	BlackBerry 7750
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


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