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Phone	Nokia 6255i / 6256i	Samsung SGH-i250	HTC EVO Design 4G / Hero S (CDMA)	LG K20 / Harmony / Grace	Samsung SCH-A610
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Not yet released	Released	Released	Released
Display Size	?	?	4" diag. 16 : 9	5.3" diag. 16 : 9	?
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	540 x 960 pixels (~275 ppi) LCD (TFT/TFD)	720 x 1280 pixels (~277 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	60 Hz	?
Battery	1,070 mAh	?	1,520 mAh	2,800 mAh	1,300 mAh
Processor	?	?	1.2 GHz Qualcomm Snapdragon S2 MSM8655	1.4 GHz Qualcomm Snapdragon 425 (MSM8917)	?
RAM	?	?	768 MB	1.5 GB	?
Storage	? raw hardware	? raw hardware	4 GB	16 GB	? raw hardware
Main Camera	Yes	1 megapixel	5 megapixel	8 megapixel	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	?	720p HD	1080p HD	-
Front Camera	-	-	1 megapixel	5 megapixel	-
Weight	4.23 oz (120g)	4.59 oz (130g)	5.22 oz (148g)	5 oz (142g)	4.23 oz (120g)
Dimensions	3.36" x 1.87" x 0.97" (85 x 47 x 24.6 mm)	3.7" x 1.97" x 1.02" (94 x 50 x 25.9 mm)	4.78" x 2.44" x 0.46" (122 x 62 x 11.8 mm)	5.9" x 3" x 0.3" (150 x 76 x 7.6 mm)	3.5" x 1.9" x 0.9" (89 x 48 x 22.9 mm)
Form Factor	Clamshell	Clamshell	Slab	Slab	Clamshell
Platform / OS	(proprietary)	Windows Mobile Standard	Android	Android	(proprietary)
Network Bands	CDMA: 850, 1900 AMPS: 850	GSM: 900, 1800, 1900	4G WiMAX: 41 WCDMA: 1, 8 CDMA: 800, 850, 1900 GSM: 850, 1900 *	4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	1xRTT	GPRS	WiMAX	LTE (Cat 4)	1xRTT
Features
Flashlight	-	-	Yes	Yes	-
GPS / Location	Yes	n/a	n/a	n/a	Yes
Accessibility
Hearing Aid Compatible	Yes M4 (very compatible)	-	Yes M4, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	-
Multiple Languages	Yes	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	-	Yes	Yes	-
Alerts
Extra Display	Yes	Yes	-	-	-
Ringer Profiles	Yes	Yes	-	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	-
Infrared (IR)	Yes	-	-	-	-
Mobile Hotspot	-	n/a	n/a	n/a	-
NFC	-	-	-	Yes *	-
USB	Yes	-	Yes Micro-USB	Yes Micro-USB	-
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	Yes	n/a	n/a	n/a	Yes
Ringer ID	Yes	n/a	n/a	n/a	Yes
Voice Dialing	Yes	n/a	n/a	n/a	Yes
Customization
Custom Graphics	Yes	n/a	n/a	n/a	Yes
Custom Ringtones	Yes	n/a	n/a	n/a	Yes
Real-Music Ringers	Yes	n/a	n/a	n/a	-
Data & Network
Data Tethering	Yes	n/a	n/a	n/a	Yes
WAP / Web Browser	Yes	n/a	n/a	n/a	Yes
Input
Predictive Text Entry	Yes	n/a	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Touch Screen	-	-	Yes Capacitive	Yes Capacitive	-
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	-
Messaging
Email Client	Yes	n/a	n/a	n/a	-
EMS / Picture Messaging	Yes *	n/a	n/a	n/a	Yes
Instant Messaging	-	n/a	n/a	n/a	-
MMS	Yes	n/a	n/a	n/a	Yes
Text Messaging Templates	Yes	n/a	n/a	n/a	Yes
Music
FM Radio	Yes	-	Yes	Yes	-
Headphone Jack (3.5mm)	-	-	Yes	Yes	-
Music Player	Yes *	n/a	n/a	n/a	-
Photo & Video
DLNA	-	-	Yes	-	-
Productivity
Alarm	Yes	n/a	n/a	n/a	Yes
Calculator	Yes	n/a	n/a	n/a	Yes
Calendar	Yes	n/a	n/a	n/a	Yes
To-Do List	Yes	n/a	n/a	n/a	Yes
Voice Memo	Yes	n/a	n/a	n/a	Yes
Software
BREW	Yes *	n/a	n/a	n/a	Yes
Games	Yes	n/a	n/a	n/a	Yes
Java (J2ME)	Yes *	n/a	n/a	n/a	-
Voice
HD Voice	-	-	-	Yes	-
Headset Jack (2.5 mm)	Yes	n/a	n/a	n/a	Yes
Speaker Phone	Yes	-	Yes	Yes	-
	* Some versions only
	Nokia 6255i / 6256i	Samsung SGH-i250	HTC EVO Design 4G / Hero S (CDMA)	LG K20 / Harmony / Grace	Samsung SCH-A610
	X >	< X >	< X >	< X >	< X

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


Phone	Nokia 6255i / 6256i	Samsung SGH-i250	HTC EVO Design 4G / Hero S (CDMA)	LG K20 / Harmony / Grace	Samsung SCH-A610