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Phone	Huawei Ascend	ZTE Speed	ZTE Z221	Nokia N90	BlackBerry 6510
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.5" diag. 5 : 3	4.5" diag. 16 : 9	2" diag. 4 : 3	?	?
Display Resolution & Type	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	240 x 320 pixels (~200 ppi) LCD (TFT/TFD)	352 x 416 pixels LCD (TFT/TFD)	160 x 100 pixels
Display Refresh	60 Hz	60 Hz	?	?	?
Battery	1,500 mAh	2,000 mAh	900 mAh	760 mAh	900 mAh
Processor	528 MHz Qualcomm S1 MSM7625	1.2 GHz Qualcomm Snapdragon 410 MSM8916	?	?	?
RAM	?	1 GB	?	?	?
Storage	? raw hardware	8 GB	142 MB	? raw hardware	? raw hardware
Main Camera	3 megapixel	5 megapixel	Yes	2 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	CIF (352 x 288)	720p HD	QCIF (176 x 144)	CIF (352 x 288)	-
Front Camera	-	2 megapixel	-	-	-
Weight	4.76 oz (135g)	4.8 oz (136g)	3.24 oz (92g)	6.1 oz (173g)	5.64 oz (160g)
Dimensions	4.57" x 2.44" x 0.55" (116 x 62 x 14 mm)	5.3" x 2.6" x 0.4" (135 x 66 x 10.2 mm)	3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm)	4.41" x 2.01" x 0.94" (112 x 51 x 23.9 mm)	4.53" x 2.95" x 0.95" (115 x 75 x 24.1 mm)
Form Factor	Slab	Slab	Clamshell	Clamshell	Slab
Platform / OS	Android	Android	(proprietary)	S60 (Symbian)	BlackBerry OS
Network Bands	CDMA: 850, 1700, 1900	4G LTE: 25, 26, 41 CDMA: 800, 850, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1 GSM: 900, 1800, 1900	iDEN: 800
Data Technology	EVDO rA	LTE (Cat 3)	HSDPA 3.6	EDGE	-
Features
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	Yes	Yes	-	-
Multiple Languages	n/a	n/a	Yes	n/a	n/a
TTY/TDD (Digital)	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	n/a
USB	Yes	Yes Micro-USB	Yes	Yes	Yes Mini-USB
Wi-Fi	Yes 802.11 b,g	Yes 4 (802.11 b,g,n)	-	-	-
Contacts
Picture ID	n/a	n/a	-	n/a	n/a
Ringer ID	n/a	n/a	-	n/a	n/a
Voice Dialing	n/a	n/a	-	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	-	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	-
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	Yes	Yes	-	-	-
Memory
Memory Card Slot	Yes	Yes	-	Yes	-
Messaging
Email Client	n/a	n/a	Yes	n/a	n/a
EMS / Picture Messaging	n/a	n/a	-	n/a	n/a
Instant Messaging	n/a	n/a	Yes	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	-	-	-
Music Player	n/a	n/a	-	n/a	n/a
Photo & Video
Video Calling	n/a	n/a	-	n/a	n/a
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
Games	n/a	n/a	Yes	n/a	n/a
Java (J2ME)	n/a	n/a	Yes	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	Yes
Speaker Phone	Yes	Yes	Yes	Yes	-
	* Some versions only
	Huawei Ascend	ZTE Speed	ZTE Z221	Nokia N90	BlackBerry 6510
	X >	< X >	< X >	< X >	< X

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


Phone	Huawei Ascend	ZTE Speed	ZTE Z221	Nokia N90	BlackBerry 6510