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Phone	Nokia 3555	Nokia 6650 fold	HTC Droid Eris	ZTE Concord II	BlackBerry 7750
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	1.8" diag. 4 : 3	2.2" diag. 4 : 3	3.2" diag. 5 : 3	4" diag. 5 : 3	?
Display Resolution & Type	128 x 160 pixels (~114 ppi) LCD (TFT/TFD)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)	320 x 480 pixels (~180 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	240 x 240 pixels LCD (Color)
Display Refresh	?	?	60 Hz	60 Hz	?
Battery	?	1,500 mAh	1,300 mAh	1,820 mAh	?
Processor	?	369 MHz ARM 11	528 MHz MSM7600	1.2 GHz Qualcomm MSM8210	?
RAM	?	?	?	1 GB	?
Storage	? raw hardware	? raw hardware	? raw hardware	4 GB	? raw hardware
Main Camera	Yes	2 megapixel	5 megapixel	5 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QCIF (176 x 144)	QVGA (320 x 240)	CIF (352 x 288)	720p HD	-
Front Camera	-	-	-	-	-
Weight	3.32 oz (94g)	3.95 oz (112g)	4.43 oz (126g)	4.4 oz (125g)	5.01 oz (142g)
Dimensions	3.94" x 1.75" x 0.83" (100 x 44 x 21 mm)	3.93" x 1.86" x 0.64" (100 x 47 x 16.2 mm)	4.45" x 2.19" x 0.52" (113 x 55 x 13.2 mm)	4.96" x 2.56" x 0.42" (126 x 65 x 10.7 mm)	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)
Form Factor	Clamshell	Clamshell	Slab	Slab	Slab
Platform / OS	(proprietary)	S60 (Symbian)	Android	Android	BlackBerry OS
Network Bands	WCDMA: 4 GSM: 850, 900, 1800, 1900 *	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	WCDMA (UMTS)	HSDPA 3.6	EVDO rA	HSPA+ 21	1xRTT
Features
GPS / Location	-	n/a	n/a	n/a	n/a
Accessibility
Adjustable Text Size	-	n/a	n/a	n/a	n/a
Hearing Aid Compatible	Yes *	Yes	Yes	Yes	-
Multiple Languages	Yes	n/a	n/a	n/a	n/a
TTY/TDD (Digital)	-	-	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	n/a
USB	Yes	Yes Micro-USB	Yes Mini-USB	Yes Micro-USB	Yes
Wi-Fi	-	-	Yes 802.11 b,g	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	Yes	n/a	n/a	n/a	n/a
Ringer ID	Yes	n/a	n/a	n/a	n/a
Voice Dialing	Yes	n/a	n/a	n/a	n/a
Customization
Custom Graphics	Yes	n/a	n/a	n/a	n/a
Custom Ringtones	Yes	n/a	n/a	n/a	n/a
Real-Music Ringers	Yes	n/a	n/a	n/a	n/a
Data & Network
Data Tethering	-	n/a	n/a	n/a	n/a
WAP / Web Browser	Yes	n/a	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	-	-	Yes	Yes	-
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	-
Messaging
Email Client	-	n/a	n/a	n/a	n/a
Instant Messaging	Yes *	n/a	n/a	n/a	n/a
MMS	Yes	n/a	n/a	n/a	n/a
Text Messaging Templates	Yes	n/a	n/a	n/a	n/a
Music
Headphone Jack (3.5mm)	-	-	Yes	Yes	-
Music Player	Yes	n/a	n/a	n/a	n/a
Productivity
Alarm	Yes	n/a	n/a	n/a	n/a
Calculator	Yes	n/a	n/a	n/a	n/a
Calendar	Yes	n/a	n/a	n/a	n/a
To-Do List	Yes	n/a	n/a	n/a	n/a
Voice Memo	Yes	n/a	n/a	n/a	n/a
Software
Games	Yes	n/a	n/a	n/a	n/a
Java (J2ME)	Yes	n/a	n/a	n/a	n/a
Voice
HD Voice	-	-	-	Yes	-
Headset Jack (2.5 mm)	Yes	n/a	n/a	n/a	n/a
Speaker Phone	Yes	Yes	Yes	Yes	-
	* Some versions only
	Nokia 3555	Nokia 6650 fold	HTC Droid Eris	ZTE Concord II	BlackBerry 7750
	X >	< X >	< X >	< X >	< X

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


Phone	Nokia 3555	Nokia 6650 fold	HTC Droid Eris	ZTE Concord II	BlackBerry 7750