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Phone	Samsung SGH-X820	Nokia N75	LG Aristo / Aristo 2	Nokia Lumia 900	HTC EVO Design 4G / Hero S (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	2.4" diag. 4 : 3	5" diag. 16 : 9	4.3" diag. 5 : 3	4" diag. 16 : 9
Display Resolution & Type	220 x 176 pixels LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	720 x 1280 pixels (~294 ppi) LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) AMOLED	540 x 960 pixels (~275 ppi) LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	60 Hz
Battery	650 mAh	800 mAh	2,410 mAh	1,830 mAh	1,520 mAh
Processor	?	?	1.4 GHz Qualcomm Snapdragon 425 (MSM8917)	1.4 GHz Qualcomm S2 APQ8055	1.2 GHz Qualcomm Snapdragon S2 MSM8655
RAM	?	?	2 GB *	512 MB	768 MB
Storage	? raw hardware	? raw hardware	16 GB	16 GB	4 GB
Main Camera	2 megapixel	2 megapixel	13 megapixel	8 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	CIF (352 x 288)	1080p HD	720p HD	720p HD
Front Camera	-	-	5 megapixel	1 megapixel	1 megapixel
Weight	2.33 oz (66g)	4.36 oz (124g)	5.01 oz (142g)	5.6 oz (159g)	5.22 oz (148g)
Dimensions	4.45" x 1.97" x 0.27" (113 x 50 x 6.9 mm)	3.74" x 2.05" x 0.8" (95 x 52 x 20.3 mm)	5.7" x 2.84" x 0.32" (145 x 72 x 8.1 mm)	5.03" x 2.7" x 0.45" (128 x 69 x 11.4 mm)	4.78" x 2.44" x 0.46" (122 x 62 x 11.8 mm)
Form Factor	Slab	Clamshell	Slab	Slab	Slab
Platform / OS	(proprietary)	S60 (Symbian)	Android	Windows	Android
Network Bands	GSM: 900, 1800, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 *	4G LTE: 4, 17 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 *	4G WiMAX: 41 WCDMA: 1, 8 CDMA: 800, 850, 1900 GSM: 850, 1900 *
Data Technology	EDGE	WCDMA (UMTS)	LTE (Cat 4)	LTE (Cat 3)	WiMAX
Features
Flashlight	-	-	Yes	-	Yes
GPS / Location	-	n/a	n/a	n/a	n/a
Accessibility
Hearing Aid Compatible	-	-	Yes	Yes	Yes
Multiple Languages	Yes	n/a	n/a	n/a	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 Classic Audio	Yes	Yes Classic Audio
Infrared (IR)	-	Yes	-	-	-
Mobile Hotspot	-	n/a	n/a	n/a	n/a
USB	Yes	Yes	Yes Micro-USB	Yes Micro-USB	Yes Micro-USB
Wi-Fi	-	-	Yes 4 (802.11 a,b,g,n)	Yes	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	-	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
External Antenna Jack	Yes	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
Touch Screen	-	-	Yes	Yes	Yes
Memory
Memory Card Slot	-	Yes	Yes	-	Yes
Messaging
Email Client	Yes	n/a	n/a	n/a	n/a
EMS / Picture Messaging	Yes	n/a	n/a	n/a	n/a
Instant Messaging	-	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
FM Radio	-	Yes	Yes	Yes	Yes
Headphone Jack (3.5mm)	-	-	Yes	Yes	Yes
Music Player	-	n/a	n/a	n/a	n/a
Stereo Speakers	-	Yes	-	-	-
Photo & Video
DLNA	-	-	-	-	Yes
TV Output	Yes	-	-	-	-
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	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung SGH-X820	Nokia N75	LG Aristo / Aristo 2	Nokia Lumia 900	HTC EVO Design 4G / Hero S (CDMA)
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SGH-X820	Nokia N75	LG Aristo / Aristo 2	Nokia Lumia 900	HTC EVO Design 4G / Hero S (CDMA)