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Phone	Samsung SCH-A645	LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus	Samsung Galaxy Rush	BlackBerry 8820	Samsung SCH-A990
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	6.1" diag. 19.5 : 9	3.5" diag. 5 : 3	?	?
Display Resolution & Type	128 x 160 pixels LCD (STN)	720 x 1560 pixels (~282 ppi) LCD (TFT/TFD)	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	320 x 240 pixels LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)
Display Refresh	?	60 Hz	60 Hz	?	?
Battery	1,000 mAh	3,500 mAh	1,750 mAh	1,400 mAh	1,000 mAh
Processor	?	2 GHz MediaTek Helio P22 (MT6762)	1 GHz Qualcomm MSM8655	?	?
RAM	?	3 GB *	768 MB	?	?
Storage	? raw hardware	32 GB	4 GB	? raw hardware	? raw hardware
Main Camera	-	13 megapixel	3 megapixel	-	3 megapixel
Wide Camera	-	5 megapixel	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	1080p HD	VGA (640 x 480)	-	?
Front Camera	-	8 megapixel	1 megapixel	-	-
Weight	3.2 oz (91g)	6.1 oz (173g)	4.2 oz (119g)	4.73 oz (134g)	4.4 oz (125g)
Dimensions	3.54" x 1.79" x 0.94" (90 x 45 x 23.9 mm)	6.15" x 2.92" x 0.34" (156 x 74 x 8.6 mm)	4.84" x 2.36" x 0.47" (123 x 60 x 11.9 mm)	4.49" x 2.6" x 0.55" (114 x 66 x 14 mm)	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)
Form Factor	Clamshell	Slab	Slab	Slab	Clamshell
Platform / OS	(proprietary)	Android	Android	BlackBerry OS	(proprietary)
Network Bands	CDMA: 850, 1900 AMPS: 850	4G LTE: 2, 4, 5, 12, 13, 14, 25, 26, 29, 30, 41, 66, 71 WCDMA: 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 *	CDMA: 1900	GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	1xRTT	LTE (Cat 6)	EVDO rA	EDGE	EVDO r0
Features
Fingerprint Reader	-	Yes stand-alone	-	-	-
Flashlight	-	Yes	-	-	Yes
GPS / Location	Yes	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 M4, T4 (very tele-coil compatible)	-	Yes M3 (mostly compatible)
Multiple Languages	Yes	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	Yes	-	-	-	Yes
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
USB	-	Yes USB Type C	Yes	Yes Mini-USB	Yes
Wi-Fi	-	Yes 4 (802.11 a,b,g,n)	Yes 4 (802.11 a,b,g,n)	Yes	-
Contacts
Picture ID	Yes	n/a	n/a	n/a	Yes
Ringer ID	-	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	-	n/a	n/a	n/a	Yes
Data & Network
Data Tethering	-	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
Text Keyboard, Hardware	-	-	-	Yes	-
Touch Screen	-	Yes Capacitive	Yes Capacitive	-	-
Memory
Memory Card Slot	-	Yes	Yes	Yes	Yes
Messaging
Email Client	-	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	-	n/a	n/a	n/a	Yes
Text Messaging Templates	Yes	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	Yes
Stereo Speakers	-	-	-	-	Yes
Photo & Video
TV Output	-	-	-	-	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	-
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
Voice
HD Voice	-	Yes	-	-	-
Headset Jack (2.5 mm)	Yes	n/a	n/a	n/a	-
Push-To-Talk	-	-	-	Yes *	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung SCH-A645	LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus	Samsung Galaxy Rush	BlackBerry 8820	Samsung SCH-A990
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SCH-A645	LG Harmony 4 / Xpression Plus 3 / Premier Pro Plus	Samsung Galaxy Rush	BlackBerry 8820	Samsung SCH-A990