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Phone	Nokia E90	Samsung Rugby A837	ZTE Blade Vantage	Samsung DoubleTime	Palm Treo 600 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	2" diag. 4 : 3	5" diag. 16 : 9	3.2" diag. 5 : 3	?
Display Resolution & Type	800 x 352 pixels LCD (TFT/TFD)	176 x 220 pixels (~141 ppi) LCD (TFT/TFD)	480 x 854 pixels (~196 ppi) LCD (TFT/TFD)	320 x 480 pixels (~180 ppi) LCD (TFT/TFD)	160 x 160 pixels LCD (Color)
Display Refresh	?	?	60 Hz	60 Hz	?
Battery	1,500 mAh	1,000 mAh	2,500 mAh	1,200 mAh	?
Processor	332 MHz ARM 11	?	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)	600 MHz Qualcomm	?
RAM	?	?	2 GB	?	?
Storage	? raw hardware	? raw hardware	16 GB	? raw hardware	? raw hardware
Main Camera	3 megapixel	1 megapixel	8 megapixel	3 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	VGA (640 x 480)	QCIF (176 x 144)	720p HD	QVGA (320 x 240)	-
Front Camera	-	-	2 megapixel	-	-
Weight	7.41 oz (210g)	4.66 oz (132g)	5.29 oz (150g)	5.22 oz (148g)	6.2 oz (176g)
Dimensions	5.2" x 2.24" x 0.79" (132 x 57 x 20.1 mm)	3.95" x 2.05" x 0.9" (100 x 52 x 22.9 mm)	5.73" x 2.85" x 0.36" (146 x 72 x 9.2 mm)	4.45" x 2.44" x 0.59" (113 x 62 x 15 mm)	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)
Form Factor	Clamshell	Clamshell	Slab	Clamshell	Slab
Platform / OS	S60 (Symbian)	(proprietary)	Android	Android	Palm OS
Network Bands	WCDMA: 1 GSM: 850, 900, 1800, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 13	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	HSDPA 3.6	HSDPA 3.6	LTE (Cat 4)	HSPA 7.2	1xRTT
Features
Flashlight	-	-	Yes	-	-
GPS / Location	n/a	Yes	n/a	n/a	n/a
Ruggedized	-	Yes	-	-	-
Accessibility
Hearing Aid Compatible	-	Yes	Yes	Yes	-
Multiple Languages	n/a	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	Yes	Yes	-	-	-
Ringer Profiles	Yes	-	-	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	-
Infrared (IR)	Yes	-	-	-	Yes
Mobile Hotspot	n/a	-	n/a	n/a	n/a
USB	Yes Mini-USB	Yes	Yes Micro-USB	Yes Micro-USB	Yes
Wi-Fi	Yes 802.11 b,g	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	n/a	Yes	n/a	n/a	n/a
Ringer ID	n/a	Yes	n/a	n/a	n/a
Voice Dialing	n/a	-	n/a	n/a	n/a
Customization
Custom Graphics	n/a	Yes	n/a	n/a	n/a
Custom Ringtones	n/a	Yes	n/a	n/a	n/a
Real-Music Ringers	n/a	Yes	n/a	n/a	n/a
Data & Network
Data Tethering	n/a	Yes	n/a	n/a	n/a
WAP / Web Browser	n/a	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	n/a	Yes	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	-	Yes	Yes
Touch Screen	-	-	Yes	Yes	Yes
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	Yes
Messaging
Email Client	n/a	Yes	n/a	n/a	n/a
Instant Messaging	n/a	Yes	n/a	n/a	n/a
MMS	n/a	Yes	n/a	n/a	n/a
Text Messaging Templates	n/a	Yes	n/a	n/a	n/a
Music
FM Radio	Yes	-	-	-	-
Headphone Jack (3.5mm)	-	-	Yes	Yes	-
Music Player	n/a	Yes	n/a	n/a	n/a
Photo & Video
Video Calling	n/a	-	n/a	n/a	n/a
Productivity
Alarm	n/a	Yes	n/a	n/a	n/a
Calculator	n/a	Yes	n/a	n/a	n/a
Calendar	n/a	Yes	n/a	n/a	n/a
To-Do List	n/a	-	n/a	n/a	n/a
Voice Memo	n/a	Yes	n/a	n/a	n/a
Software
Games	n/a	Yes	n/a	n/a	n/a
Java (J2ME)	n/a	Yes	n/a	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	Yes
	* Some versions only
	Nokia E90	Samsung Rugby A837	ZTE Blade Vantage	Samsung DoubleTime	Palm Treo 600 (CDMA)
	X >	< X >	< X >	< X >	< X

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


Phone	Nokia E90	Samsung Rugby A837	ZTE Blade Vantage	Samsung DoubleTime	Palm Treo 600 (CDMA)