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Phone	BlackBerry 8820	Motorola Charm	Palm Treo 800w	Alcatel Conquest	Samsung SCH-U550
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	2.8" diag. 4 : 3	?	5" diag. 16 : 9	2.1" diag. 4 : 3
Display Resolution & Type	320 x 240 pixels LCD (TFT/TFD)	320 x 240 pixels (~143 ppi) LCD (TFT/TFD)	320 x 320 pixels LCD (TFT/TFD)	720 x 1280 pixels (~294 ppi) LCD (TFT/TFD)	176 x 220 pixels (~134 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	60 Hz	?
Battery	1,400 mAh	1,170 mAh	1,150 mAh	2,500 mAh	800 mAh
Processor	?	720 MHz TI OMAP3410	?	1.2 GHz Qualcomm Snapdragon 410 (MSM8916)	?
RAM	?	?	?	1 GB	?
Storage	? raw hardware	? raw hardware	? raw hardware	8 GB	? raw hardware
Main Camera	-	3 megapixel	2 megapixel	5 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	?	QVGA (320 x 240)	720p HD	?
Front Camera	-	-	-	2 megapixel	-
Weight	4.73 oz (134g)	3.88 oz (110g)	5 oz (142g)	4.94 oz (140g)	3.17 oz (90g)
Dimensions	4.49" x 2.6" x 0.55" (114 x 66 x 14 mm)	3.87" x 2.65" x 0.45" (98 x 67 x 11.4 mm)	4.4" x 2.3" x 0.7" (112 x 58 x 17.8 mm)	5.64" x 2.89" x 0.36" (143 x 73 x 9.1 mm)	3.76" x 1.92" x 0.68" (96 x 49 x 17.3 mm)
Form Factor	Slab	Slab	Slab	Slab	Clamshell
Platform / OS	BlackBerry OS	Android	Windows Mobile Professional	Android	(proprietary)
Network Bands	GSM: 850, 900, 1800, 1900	WCDMA: 4 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900	4G LTE: 25, 26, 41 CDMA: 800, 850, 1900	CDMA: 850, 1900
Data Technology	EDGE	HSDPA 3.6	EVDO rA	LTE (Cat 4)	EVDO r0
Features
GPS / Location	n/a	n/a	n/a	n/a	Yes
Water-Resistant	-	-	-	Yes IPX7 (snorkeling)	-
Accessibility
Adjustable Text Size	n/a	n/a	n/a	n/a	-
Hearing Aid Compatible	-	-	Yes M4, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)
Multiple Languages	n/a	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	-
Alerts
Extra Display	-	-	-	-	Yes
Ringer Profiles	Yes	-	-	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	Yes	-	-
Mobile Hotspot	n/a	n/a	n/a	n/a	-
USB	Yes Mini-USB	Yes Micro-USB	Yes Micro-USB	Yes Micro-USB	-
Wi-Fi	Yes	Yes 4 (802.11 b,g,n)	Yes 802.11 b,g	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	n/a	n/a	n/a	n/a	Yes
Ringer ID	n/a	n/a	n/a	n/a	Yes
Voice Dialing	n/a	n/a	n/a	n/a	Yes
Customization
Custom Graphics	n/a	n/a	n/a	n/a	Yes
Custom Ringtones	n/a	n/a	n/a	n/a	Yes
Real-Music Ringers	n/a	n/a	n/a	n/a	Yes
Data & Network
Data Tethering	n/a	n/a	n/a	n/a	Yes
External Antenna Jack	n/a	n/a	n/a	n/a	-
WAP / Web Browser	n/a	n/a	n/a	n/a	Yes
Input
Predictive Text Entry	n/a	n/a	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	-	Yes	-	-
Text Keyboard, Hardware	Yes	Yes	Yes	-	-
Touch Screen	-	Yes Capacitive	Yes Resistive	Yes Capacitive	-
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	Yes
Messaging
Email Client	n/a	n/a	n/a	n/a	-
EMS / Picture Messaging	n/a	n/a	n/a	n/a	Yes
Instant Messaging	n/a	n/a	n/a	n/a	-
MMS	n/a	n/a	n/a	n/a	Yes
Text Messaging Templates	n/a	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	n/a	Yes
Photo & Video
Miracast	-	-	-	Yes	-
Productivity
Alarm	n/a	n/a	n/a	n/a	Yes
Calculator	n/a	n/a	n/a	n/a	Yes
Calendar	n/a	n/a	n/a	n/a	Yes
To-Do List	n/a	n/a	n/a	n/a	-
Voice Memo	n/a	n/a	n/a	n/a	Yes
Software
BREW	n/a	n/a	n/a	n/a	Yes
Games	n/a	n/a	n/a	n/a	Yes
Voice
HD Voice	-	-	-	Yes	-
Headset Jack (2.5 mm)	n/a	n/a	n/a	n/a	Yes
Push-To-Talk	Yes *	-	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	BlackBerry 8820	Motorola Charm	Palm Treo 800w	Alcatel Conquest	Samsung SCH-U550
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	BlackBerry 8820	Motorola Charm	Palm Treo 800w	Alcatel Conquest	Samsung SCH-U550