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Phone	Samsung Nexus S 4G	Huawei M835	Samsung Jack i637	Palm Pre (CDMA)	Samsung Trance SCH-U490
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	4" diag. 5 : 3	2.8" diag. 4 : 3	2.4" diag. 4 : 3	3.1" diag. 5 : 3	2.1" diag. 4 : 3
Display Resolution & Type	480 x 800 pixels (~233 ppi) AMOLED	240 x 320 pixels (~143 ppi) LCD (TFT/TFD)	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	320 x 480 pixels (~186 ppi) LCD (TFT/TFD)	176 x 220 pixels (~134 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	60 Hz	?	?	?
Battery	1,500 mAh	1,200 mAh	1,480 mAh	1,150 mAh	?
Processor	1 GHz Samsung Hummingbird Cortex A8	528 MHz Qualcomm MSM7625	?	TI OMAP 3430	?
RAM	?	?	?	?	?
Storage	16 GB	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	5 megapixel	3 megapixel	3 megapixel	3 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	WVGA / 480p	?	?	?	-
Front Camera	Yes	-	-	-	-
Weight	4.62 oz (131g)	3.88 oz (110g)	3.6 oz (102g)	4.76 oz (135g)	3.53 oz (100g)
Dimensions	4.88" x 2.48" x 0.44" (124 x 63 x 11.2 mm)	4.09" x 2.15" x 0.53" (104 x 55 x 13.5 mm)	4.4" x 2.4" x 0.5" (112 x 61 x 12.7 mm)	3.9" x 2.3" x 0.67" (99 x 58 x 17 mm)	4" x 1.97" x 0.55" (102 x 50 x 14 mm)
Form Factor	Slab	Slab	Slab	Slide	Slide
Platform / OS	Android	Android	Windows Mobile Standard	webOS	(proprietary)
Network Bands	4G WiMAX: 41 CDMA: 850, 1900	CDMA: 850, 1700, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900
Data Technology	WiMAX	EVDO rA	HSDPA 3.6	EVDO rA	1xRTT
Features
GPS / Location	n/a	n/a	n/a	n/a	Yes
Accessibility
Adjustable Text Size	n/a	n/a	n/a	n/a	Yes
Hearing Aid Compatible	Yes M4 (very compatible)	Yes M4, T3 (mostly tele-coil compatible)	Yes M3 (mostly compatible)	Yes M4 (very compatible)	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	-	Yes	-	Yes	Yes
Alerts
Ringer Profiles	-	-	Yes	-	-
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Mobile Hotspot	n/a	n/a	n/a	n/a	-
NFC	Yes	-	-	-	-
USB	Yes Micro-USB	Yes	Yes	Yes Micro-USB	Yes
Wi-Fi	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	Yes 802.11 b,g	Yes 802.11 b,g	-
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
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
Text Keyboard, Hardware	-	-	Yes	Yes	-
Touch Screen	Yes Capacitive	Yes Capacitive	-	Yes Capacitive	-
Memory
Memory Card Slot	-	Yes	Yes	-	Yes
Messaging
Email Client	n/a	n/a	n/a	n/a	-
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
Headphone Jack (3.5mm)	Yes	Yes	-	Yes	Yes
Music Player	n/a	n/a	n/a	n/a	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
Java (J2ME)	n/a	n/a	n/a	n/a	-
Voice
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung Nexus S 4G	Huawei M835	Samsung Jack i637	Palm Pre (CDMA)	Samsung Trance SCH-U490
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Nexus S 4G	Huawei M835	Samsung Jack i637	Palm Pre (CDMA)	Samsung Trance SCH-U490