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Specifications
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Phone	Samsung SGH-D520	Casio G'zOne Rock	Nokia Lumia 900	Motorola ROKR Z6	ZTE Imperial II
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	2.1" diag. 4 : 3	4.3" diag. 5 : 3	?	5" diag. 16 : 9
Display Resolution & Type	176 x 220 pixels LCD (TFT/TFD)	240 x 320 pixels (~190 ppi) LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) AMOLED	240 x 320 pixels LCD (TFT/TFD)	540 x 960 pixels (~220 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	60 Hz
Battery	800 mAh	1,150 mAh	1,830 mAh	750 mAh	2,300 mAh
Processor	?	?	1.4 GHz Qualcomm S2 APQ8055	?	1.2 GHz Qualcomm Snapdragon 400 (MSM8926)
RAM	?	?	512 MB	?	1 GB
Storage	? raw hardware	? raw hardware	16 GB	? raw hardware	8 GB
Main Camera	1 megapixel	2 megapixel	8 megapixel	2 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	CIF (352 x 288)	?	720p HD	?	720p HD
Front Camera	-	-	1 megapixel	-	1 megapixel
Weight	3.32 oz (94g)	4.4 oz (125g)	5.6 oz (159g)	4.06 oz (115g)	5.07 oz (144g)
Dimensions	3.98" x 1.81" x 0.63" (101 x 46 x 16 mm)	4.1" x 2" x 0.9" (104 x 51 x 22.9 mm)	5.03" x 2.7" x 0.45" (128 x 69 x 11.4 mm)	4.15" x 1.79" x 0.63" (105 x 45 x 16 mm)	5.6" x 2.8" x 0.4" (142 x 71 x 10.2 mm)
Form Factor	Slide	Clamshell	Slab	Slide	Slab
Platform / OS	(proprietary)	(proprietary)	Windows	(proprietary)	Android
Network Bands	GSM: 900, 1800, 1900	CDMA: 850, 1900	4G LTE: 4, 17 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 *	GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 12, 17 CDMA: 850, 1900
Data Technology	GPRS	EVDO rA	LTE (Cat 3)	EDGE	LTE (Cat 3)
Features
Flashlight	-	Yes	-	-	-
GPS / Location	-	Yes	n/a	-	n/a
Ruggedized	-	Yes	-	-	-
Water-Resistant	-	Yes	-	-	-
Accessibility
Adjustable Text Size	-	-	n/a	-	n/a
Hearing Aid Compatible	-	Yes	Yes	-	Yes
Multiple Languages	Yes	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	Yes	-	-	-
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	Yes Classic Audio	Yes Classic Audio	Yes	Yes Classic Audio	Yes Classic Audio
Mobile Hotspot	-	-	n/a	-	n/a
USB	-	Yes	Yes Micro-USB	Yes	Yes Micro-USB
Wi-Fi	-	-	Yes	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	Yes	Yes	n/a	Yes	n/a
Ringer ID	Yes	Yes	n/a	Yes	n/a
Voice Dialing	-	Yes	n/a	-	n/a
Customization
Custom Graphics	Yes	Yes	n/a	Yes	n/a
Custom Ringtones	Yes	Yes	n/a	Yes	n/a
Real-Music Ringers	-	Yes	n/a	Yes	n/a
Data & Network
Data Tethering	Yes	Yes	n/a	Yes	n/a
External Antenna Jack	Yes	-	n/a	-	n/a
WAP / Web Browser	Yes	Yes	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	-	-	Yes	-	Yes
Memory
Memory Card Slot	-	Yes	-	Yes	Yes
Messaging
Email Client	Yes	Yes	n/a	Yes	n/a
EMS / Picture Messaging	-	-	n/a	Yes	n/a
Instant Messaging	-	Yes	n/a	Yes	n/a
MMS	Yes	Yes	n/a	Yes	n/a
Text Messaging Templates	Yes	Yes	n/a	Yes	n/a
Music
FM Radio	-	-	Yes	-	-
Headphone Jack (3.5mm)	-	-	Yes	-	Yes
Music Player	-	Yes	n/a	Yes	n/a
Productivity
Alarm	Yes	Yes	n/a	Yes	n/a
Calculator	Yes	Yes	n/a	Yes	n/a
Calendar	Yes	Yes	n/a	Yes	n/a
To-Do List	Yes	-	n/a	Yes	n/a
Voice Memo	Yes	Yes	n/a	Yes	n/a
Software
BREW	-	Yes	n/a	-	n/a
Games	Yes	Yes	n/a	Yes	n/a
Java (J2ME)	Yes	-	n/a	Yes	n/a
Voice
Headset Jack (2.5 mm)	-	Yes	n/a	-	n/a
Push-To-Talk	-	Yes	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SGH-D520	Casio G'zOne Rock	Nokia Lumia 900	Motorola ROKR Z6	ZTE Imperial II
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-D520	Casio G'zOne Rock	Nokia Lumia 900	Motorola ROKR Z6	ZTE Imperial II