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Specifications
	X >	< X >	< X >	< X >	< X

Phone	Huawei Vitria	Nokia E50	Sony Ericsson Z550a	Nokia 6155i	Samsung SPH-i550
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Not yet released
Display Size	4" diag. 5 : 3	?	1.9" diag. 4 : 3	?	?
Display Resolution & Type	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	176 x 220 pixels (~148 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	320 x 320 pixels LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	?
Battery	1,750 mAh	970 mAh	?	1,070 mAh	?
Processor	1.2 GHz Qualcomm Snapdragon 400 MSM8930	?	?	?	200 MHz Motorola MX-1
RAM	1 GB	?	?	?	?
Storage	4 GB	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	5 megapixel	1 megapixel	1 megapixel	1 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	720p HD	QCIF (176 x 144)	?	sub-QCIF (128 x 96)	?
Front Camera	Yes	-	-	-	-
Weight	4.94 oz (140g)	3.67 oz (104g)	3.26 oz (92g)	4.44 oz (126g)	?
Dimensions	4.99" x 2.51" x 0.46" (127 x 64 x 11.7 mm)	4.45" x 1.71" x 0.61" (113 x 43 x 15.5 mm)	3.43" x 1.77" x 0.79" (87 x 45 x 20.1 mm)	3.41" x 1.79" x 1.02" (87 x 45 x 25.9 mm)	3.46" x 2.34" x 1.1" (88 x 59 x 27.9 mm)
Form Factor	Slab	Slab	Clamshell	Clamshell	Clamshell
Platform / OS	Android	S60 (Symbian)	(proprietary)	(proprietary)	Palm OS
Network Bands	4G LTE: 4 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	GSM: 850, 900, 1800, 1900	GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900 AMPS: 850
Data Technology	LTE (Cat 3)	EDGE	GPRS	1xRTT	1xRTT
Features
GPS / Location	n/a	n/a	-	Yes	n/a
Accessibility
Adjustable Text Size	n/a	n/a	-	-	n/a
Hearing Aid Compatible	Yes M3, 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	Yes	Yes
Ringer Profiles	-	Yes	Yes	Yes	-
Connectivity
Bluetooth	Yes	Yes	Yes	-	-
Infrared (IR)	-	Yes	-	Yes	Yes
Mobile Hotspot	n/a	n/a	-	-	n/a
USB	Yes Micro-USB	Yes	Yes	Yes	-
Wi-Fi	Yes 4 (802.11 b,g,n)	-	-	-	-
Contacts
Picture ID	n/a	n/a	Yes	Yes	n/a
Ringer ID	n/a	n/a	Yes	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	Yes	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
Touch Screen	Yes Capacitive	-	-	-	Yes
Memory
Memory Card Slot	Yes	Yes	Yes	-	Yes
Messaging
Email Client	n/a	n/a	Yes	-	n/a
Instant Messaging	n/a	n/a	-	-	n/a
MMS	n/a	n/a	Yes	Yes	n/a
Text Messaging Templates	n/a	n/a	Yes	Yes	n/a
Music
FM Radio	Yes	-	Yes	Yes	-
Headphone Jack (3.5mm)	Yes	-	-	-	-
Music Player	n/a	n/a	Yes	-	n/a
Photo & Video
DLNA	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	Yes	Yes	n/a
Voice Memo	n/a	n/a	Yes	Yes	n/a
Software
BREW	n/a	n/a	-	Yes *	n/a
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	-	Yes	n/a
Push-To-Talk	-	Yes	Yes *	Yes *	-
Speaker Phone	Yes	Yes	Yes	Yes	-
	* Some versions only
	Huawei Vitria	Nokia E50	Sony Ericsson Z550a	Nokia 6155i	Samsung SPH-i550
	X >	< X >	< X >	< X >	< X

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


Phone	Huawei Vitria	Nokia E50	Sony Ericsson Z550a	Nokia 6155i	Samsung SPH-i550