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Phone	Samsung Jack i637	LG K20 / Harmony / Grace	BlackBerry Curve 9370	Ericsson R278d	Motorola RAZR V3c
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.4" diag. 4 : 3	5.3" diag. 16 : 9	2.4" diag. 4 : 3	?	?
Display Resolution & Type	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	720 x 1280 pixels (~277 ppi) LCD (TFT/TFD)	480 x 360 pixels (~246 ppi) LCD (TFT/TFD)	101 x 40 pixels	176 x 220 pixels LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	?
Battery	1,480 mAh	2,800 mAh	1,000 mAh	?	740 mAh
Processor	?	1.4 GHz Qualcomm Snapdragon 425 (MSM8917)	800 MHz Marvell	?	?
RAM	?	1.5 GB	?	?	?
Storage	? raw hardware	16 GB	1 GB	? raw hardware	? raw hardware
Main Camera	3 megapixel	8 megapixel	5 megapixel	-	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	1080p HD	VGA (640 x 480)	-	?
Front Camera	-	5 megapixel	-	-	-
Weight	3.6 oz (102g)	5 oz (142g)	3.49 oz (99g)	9.28 oz (263g)	3.49 oz (99g)
Dimensions	4.4" x 2.4" x 0.5" (112 x 61 x 12.7 mm)	5.9" x 3" x 0.3" (150 x 76 x 7.6 mm)	4.29" x 2.36" x 0.43" (109 x 60 x 10.9 mm)	5.1" x 2" x 1" (130 x 51 x 25.4 mm)	3.9" x 2.1" x 0.6" (99 x 53 x 15.2 mm)
Form Factor	Slab	Slab	Slab	Slab	Clamshell
Platform / OS	Windows Mobile Standard	Android	BlackBerry OS	(proprietary)	(proprietary)
Network Bands	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	TDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900
Data Technology	HSDPA 3.6	LTE (Cat 4)	EVDO rA	-	EVDO r0
Features
Flashlight	-	Yes	-	-	-
GPS / Location	n/a	n/a	n/a	-	Yes
Accessibility
Adjustable Text Size	n/a	n/a	n/a	-	-
Hearing Aid Compatible	Yes M3 (mostly compatible)	Yes M3, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)	-	Yes M3 (mostly compatible)
Multiple Languages	n/a	n/a	n/a	Yes	Yes
TTY/TDD (Digital)	-	Yes	Yes	-	Yes
Alerts
Extra Display	-	-	-	-	Yes
Ringer Profiles	Yes	-	Yes	Yes	-
Connectivity
Bluetooth	Yes	Yes	Yes	-	Yes
NFC	-	Yes *	Yes	-	-
USB	Yes	Yes Micro-USB	Yes Micro-USB	-	Yes Mini-USB
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	n/a	n/a	-	Yes
Ringer ID	n/a	n/a	n/a	-	Yes
Voice Dialing	n/a	n/a	n/a	-	Yes
Customization
Custom Graphics	n/a	n/a	n/a	-	Yes
Custom Ringtones	n/a	n/a	n/a	Yes	Yes
Real-Music Ringers	n/a	n/a	n/a	-	Yes
Data & Network
Data Tethering	n/a	n/a	n/a	Yes	Yes
WAP / Web Browser	n/a	n/a	n/a	Yes	Yes
Input
Predictive Text Entry	n/a	n/a	n/a	Yes	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	Yes	-	-
Touch Screen	-	Yes Capacitive	-	-	-
Memory
Memory Card Slot	Yes	Yes	Yes	-	-
Messaging
Email Client	n/a	n/a	n/a	-	-
EMS / Picture Messaging	n/a	n/a	n/a	-	Yes
Instant Messaging	n/a	n/a	n/a	-	-
MMS	n/a	n/a	n/a	-	Yes
Text Messaging Templates	n/a	n/a	n/a	-	Yes
Music
FM Radio	-	Yes	-	-	-
Headphone Jack (3.5mm)	-	Yes	Yes	-	-
Music Player	n/a	n/a	n/a	-	-
Productivity
Alarm	n/a	n/a	n/a	Yes	Yes
Calculator	n/a	n/a	n/a	-	Yes
Calendar	n/a	n/a	n/a	-	Yes
To-Do List	n/a	n/a	n/a	-	-
Voice Memo	n/a	n/a	n/a	-	Yes
Software
BREW	n/a	n/a	n/a	-	Yes
Games	n/a	n/a	n/a	-	Yes
Java (J2ME)	n/a	n/a	n/a	-	-
Voice
HD Voice	-	Yes	-	-	-
Speaker Phone	Yes	Yes	Yes	-	Yes
	* Some versions only
	Samsung Jack i637	LG K20 / Harmony / Grace	BlackBerry Curve 9370	Ericsson R278d	Motorola RAZR V3c
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Jack i637	LG K20 / Harmony / Grace	BlackBerry Curve 9370	Ericsson R278d	Motorola RAZR V3c