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Phone	Samsung SCH-A310	Samsung Stratosphere / Galaxy Metrix 4G	BlackBerry Curve 3G 9330	Motorola PEBL U6	HTC Droid Eris
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4" diag. 5 : 3	2.5" diag. 4 : 3	?	3.2" diag. 5 : 3
Display Resolution & Type	128 x 128 pixels LCD (Grayscale)	480 x 800 pixels (~233 ppi) AMOLED	320 x 240 pixels (~160 ppi) LCD (TFT/TFD)	176 x 220 pixels LCD (TFT/TFD)	320 x 480 pixels (~180 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	60 Hz
Battery	?	?	1,150 mAh	740 mAh	1,300 mAh
Processor	?	1 GHz Samsung Cortex A8 Hummingbird	?	?	528 MHz MSM7600
RAM	?	?	?	?	?
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	-	5 megapixel	2 megapixel	Yes	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	WVGA / 480p	?	?	CIF (352 x 288)
Front Camera	-	1 megapixel	-	-	-
Weight	3.2 oz (91g)	5.8 oz (164g)	3.7 oz (105g)	3.88 oz (110g)	4.43 oz (126g)
Dimensions	3.43" x 1.89" x 0.87" (87 x 48 x 22.1 mm)	4.96" x 2.54" x 0.55" (126 x 65 x 14 mm)	4.29" x 2.36" x 0.55" (109 x 60 x 14 mm)	1.93" x 3.41" x 0.79" (49 x 87 x 20.1 mm)	4.45" x 2.19" x 0.52" (113 x 55 x 13.2 mm)
Form Factor	Clamshell	Slide	Slab	Clamshell	Slab
Platform / OS	(proprietary)	Android	BlackBerry OS	(proprietary)	Android
Network Bands	CDMA: 850, 1900 AMPS: 850	4G LTE: 13 CDMA: 850, 1900 *	CDMA: 850, 1900	GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	1xRTT	LTE (Cat 3)	EVDO r0	GPRS	EVDO rA
Features
GPS / Location	Yes	n/a	n/a	-	n/a
Accessibility
Adjustable Text Size	-	n/a	n/a	-	n/a
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	Yes	n/a
TTY/TDD (Digital)	-	Yes	Yes	Yes	Yes
Alerts
Extra Display	Yes	-	-	Yes	-
Ringer Profiles	-	-	Yes	Yes	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Mobile Hotspot	-	n/a	n/a	-	n/a
USB	Yes	Yes	Yes Micro-USB	Yes Mini-USB	Yes Mini-USB
Wi-Fi	-	Yes 4 (802.11 a,b,g,n)	Yes 802.11 b,g	-	Yes 802.11 b,g
Contacts
Picture ID	-	n/a	n/a	Yes	n/a
Ringer ID	-	n/a	n/a	Yes	n/a
Voice Dialing	Yes	n/a	n/a	Yes	n/a
Customization
Changeable Body Plates	Yes	-	-	-	-
Custom Graphics	-	n/a	n/a	Yes	n/a
Custom Ringtones	-	n/a	n/a	Yes	n/a
Real-Music Ringers	-	n/a	n/a	Yes	n/a
Data & Network
Data Tethering	Yes	n/a	n/a	Yes	n/a
WAP / Web Browser	Yes	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	Yes	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	Yes	n/a
EMS / Picture Messaging	-	n/a	n/a	Yes	n/a
Instant Messaging	-	n/a	n/a	-	n/a
MMS	-	n/a	n/a	Yes	n/a
Text Messaging Templates	-	n/a	n/a	Yes	n/a
Music
Headphone Jack (3.5mm)	-	Yes	Yes	-	Yes
Music Player	-	n/a	n/a	-	n/a
Photo & Video
DLNA	-	Yes	-	-	-
Productivity
Alarm	-	n/a	n/a	Yes	n/a
Calculator	-	n/a	n/a	Yes	n/a
Calendar	Yes	n/a	n/a	Yes	n/a
To-Do List	-	n/a	n/a	-	n/a
Voice Memo	Yes	n/a	n/a	Yes	n/a
Software
Games	Yes	n/a	n/a	Yes	n/a
Java (J2ME)	-	n/a	n/a	Yes	n/a
Voice
Headset Jack (2.5 mm)	Yes	n/a	n/a	-	n/a
Speaker Phone	-	Yes	Yes	Yes	Yes
	Samsung SCH-A310	Samsung Stratosphere / Galaxy Metrix 4G	BlackBerry Curve 3G 9330	Motorola PEBL U6	HTC Droid Eris
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SCH-A310	Samsung Stratosphere / Galaxy Metrix 4G	BlackBerry Curve 3G 9330	Motorola PEBL U6	HTC Droid Eris