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Phone	Samsung SCH-A890	Nokia Lumia 521 / 520	Samsung SPH/SCH-N300	Sony Ericsson Z520 / Z525	Palm Pre 2 (GSM)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4" diag. 5 : 3	?	?	3.1" diag. 5 : 3
Display Resolution & Type	176 x 220 pixels LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) LCD (TFT/TFD)	128 x 64 pixels	128 x 160 pixels LCD (TFT/TFD)	320 x 480 pixels (~186 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	?
Battery	?	1,430 mAh	?	?	1,150 mAh
Processor	?	1 GHz Qualcomm Snapdragon S4 MSM8270	?	?	1 GHz TI 3630
RAM	?	512 MB	?	?	?
Storage	? raw hardware	8 GB	? raw hardware	? raw hardware	? raw hardware
Main Camera	1 megapixel	5 megapixel	-	Yes	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	720p HD	-	?	VGA (640 x 480)
Front Camera	-	-	-	-	-
Weight	2.8 oz (79g)	4.39 oz (124g)	4.1 oz (116g)	3.46 oz (98g)	5.1 oz (145g)
Dimensions	3.5" x 1.97" x 0.98" (89 x 50 x 24.9 mm)	4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm)	4.5" x 1.9" x 0.9" (114 x 48 x 22.9 mm)	3.27" x 1.81" x 0.94" (83 x 46 x 23.9 mm)	3.96" x 2.35" x 0.67" (101 x 60 x 17 mm)
Form Factor	Clamshell	Slab	Flip	Clamshell	Slide
Platform / OS	(proprietary)	Windows	(proprietary)	(proprietary)	webOS
Network Bands	CDMA: 850, 1900	WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900 AMPS: 850	GSM: 850, 900, 1800, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	EVDO r0	HSPA+ 21	-	GPRS	HSDPA 3.6
Features
GPS / Location	Yes	n/a	Yes	-	n/a
Accessibility
Hearing Aid Compatible	-	Yes M3, T4 (very tele-coil compatible)	-	-	-
Multiple Languages	Yes	n/a	-	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	-	Yes	Yes
Alerts
Extra Display	Yes	-	-	Yes	-
Ringer Profiles	Yes	-	-	Yes	-
Connectivity
Bluetooth	-	Yes	-	Yes	Yes
Infrared (IR)	-	-	-	Yes	-
Mobile Hotspot	-	n/a	-	-	n/a
USB	-	Yes	-	Yes	Yes Micro-USB
Wi-Fi	-	Yes	-	-	Yes 802.11 b,g
Contacts
Picture ID	Yes	n/a	-	Yes	n/a
Ringer ID	Yes	n/a	-	Yes	n/a
Voice Dialing	Yes	n/a	Yes	Yes	n/a
Customization
Changeable Body Plates	-	-	-	Yes	-
Custom Graphics	Yes	n/a	-	Yes	n/a
Custom Ringtones	Yes	n/a	-	Yes	n/a
Real-Music Ringers	-	n/a	-	Yes	n/a
Data & Network
Data Tethering	-	n/a	Yes	Yes	n/a
WAP / Web Browser	Yes	n/a	Yes	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	Yes	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	-	Yes Capacitive	-	-	Yes Capacitive
Memory
Memory Card Slot	-	Yes	-	-	-
Messaging
Email Client	-	n/a	-	Yes	n/a
EMS / Picture Messaging	-	n/a	-	Yes	n/a
Instant Messaging	-	n/a	-	-	n/a
MMS	Yes	n/a	-	Yes	n/a
Text Messaging Templates	Yes	n/a	-	Yes	n/a
Music
Headphone Jack (3.5mm)	-	Yes	-	-	Yes
Music Player	-	n/a	-	-	n/a
Productivity
Alarm	Yes	n/a	Yes	Yes	n/a
Calculator	Yes	n/a	Yes	Yes	n/a
Calendar	Yes	n/a	Yes	Yes	n/a
To-Do List	Yes	n/a	Yes	Yes	n/a
Voice Memo	Yes	n/a	-	Yes	n/a
Software
BREW	Yes	n/a	-	-	n/a
Games	Yes	n/a	Yes	Yes	n/a
Java (J2ME)	-	n/a	-	Yes	n/a
Voice
Headset Jack (2.5 mm)	Yes	n/a	Yes	-	n/a
Push-To-Talk	-	-	-	Yes *	-
Speaker Phone	-	Yes	-	Yes	Yes
	* Some versions only
	Samsung SCH-A890	Nokia Lumia 521 / 520	Samsung SPH/SCH-N300	Sony Ericsson Z520 / Z525	Palm Pre 2 (GSM)
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SCH-A890	Nokia Lumia 521 / 520	Samsung SPH/SCH-N300	Sony Ericsson Z520 / Z525	Palm Pre 2 (GSM)