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Phone	Ericsson R278d	Samsung SCH-A690	Motorola Charm	Samsung Stratosphere / Galaxy Metrix 4G	Samsung SCH-i600 / SP-i600
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Not yet released	Released	Released	Released
Display Size	?	?	2.8" diag. 4 : 3	4" diag. 5 : 3	?
Display Resolution & Type	101 x 40 pixels	128 x 160 pixels LCD (STN)	320 x 240 pixels (~143 ppi) LCD (TFT/TFD)	480 x 800 pixels (~233 ppi) AMOLED	176 x 220 pixels LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	60 Hz	?
Battery	?	1,300 mAh	1,170 mAh	?	900 mAh
Processor	?	?	720 MHz TI OMAP3410	1 GHz Samsung Cortex A8 Hummingbird	200 MHz StrongArm 2
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	-	-	3 megapixel	5 megapixel	-
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	?	WVGA / 480p	-
Front Camera	-	-	-	1 megapixel	-
Weight	9.28 oz (263g)	4.3 oz (122g)	3.88 oz (110g)	5.8 oz (164g)	4.59 oz (130g)
Dimensions	5.1" x 2" x 1" (130 x 51 x 25.4 mm)	3.64" x 1.93" x 1.02" (92 x 49 x 25.9 mm)	3.87" x 2.65" x 0.45" (98 x 67 x 11.4 mm)	4.96" x 2.54" x 0.55" (126 x 65 x 14 mm)	3.54" x 2.13" x 0.89" (90 x 54 x 22.6 mm)
Form Factor	Slab	Clamshell	Slab	Slide	Clamshell
Platform / OS	(proprietary)	(proprietary)	Android	Android	Windows Mobile Standard
Network Bands	TDMA: 850, 1900 AMPS: 850	CDMA: 850, 1900	WCDMA: 4 GSM: 850, 900, 1800, 1900 *	4G LTE: 13 CDMA: 850, 1900 *	CDMA: 850, 1900
Data Technology	-	1xRTT	HSDPA 3.6	LTE (Cat 3)	1xRTT
Features
GPS / Location	-	Yes	n/a	n/a	n/a
Accessibility
Hearing Aid Compatible	-	-	-	Yes M4 (very compatible)	-
Multiple Languages	Yes	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	-
Alerts
Extra Display	-	Yes	-	-	Yes
Ringer Profiles	Yes	-	-	-	Yes
Connectivity
Bluetooth	-	-	Yes	Yes	-
Infrared (IR)	-	-	-	-	Yes
Mobile Hotspot	-	-	n/a	n/a	n/a
USB	-	-	Yes Micro-USB	Yes	Yes
Wi-Fi	-	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 a,b,g,n)	-
Contacts
Picture ID	-	-	n/a	n/a	n/a
Ringer ID	-	-	n/a	n/a	n/a
Voice Dialing	-	Yes	n/a	n/a	n/a
Customization
Custom Graphics	-	-	n/a	n/a	n/a
Custom Ringtones	Yes	Yes	n/a	n/a	n/a
Real-Music Ringers	-	-	n/a	n/a	n/a
Data & Network
Data Tethering	Yes	Yes	n/a	n/a	n/a
WAP / Web Browser	Yes	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	Yes	-
Touch Screen	-	-	Yes Capacitive	Yes Capacitive	-
Memory
Memory Card Slot	-	-	Yes	Yes	Yes
Messaging
Email Client	-	-	n/a	n/a	n/a
Instant Messaging	-	-	n/a	n/a	n/a
MMS	-	-	n/a	n/a	n/a
Text Messaging Templates	-	Yes	n/a	n/a	n/a
Music
Headphone Jack (3.5mm)	-	-	Yes	Yes	-
Music Player	-	-	n/a	n/a	n/a
Photo & Video
DLNA	-	-	-	Yes	-
Productivity
Alarm	Yes	Yes	n/a	n/a	n/a
Calculator	-	Yes	n/a	n/a	n/a
Calendar	-	Yes	n/a	n/a	n/a
To-Do List	-	Yes	n/a	n/a	n/a
Voice Memo	-	Yes	n/a	n/a	n/a
Software
BREW	-	Yes	n/a	n/a	n/a
Games	-	Yes	n/a	n/a	n/a
Voice
Call Screening	-	Yes	-	-	-
Headset Jack (2.5 mm)	-	Yes	n/a	n/a	n/a
Push-To-Talk	-	Yes	-	-	-
Speaker Phone	-	Yes	Yes	Yes	Yes
	Ericsson R278d	Samsung SCH-A690	Motorola Charm	Samsung Stratosphere / Galaxy Metrix 4G	Samsung SCH-i600 / SP-i600
	X >	< X >	< X >	< X >	< X

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


Phone	Ericsson R278d	Samsung SCH-A690	Motorola Charm	Samsung Stratosphere / Galaxy Metrix 4G	Samsung SCH-i600 / SP-i600