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Phone	Samsung Transform	HTC 2125 / 2100 (Faraday)	Nokia Lumia 810	Samsung Jack i637	Sony Ericsson K850
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.5" diag. 5 : 3	?	4.3" diag. 5 : 3	2.4" diag. 4 : 3	2.2" diag. 4 : 3
Display Resolution & Type	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)	480 x 800 pixels (~217 ppi) AMOLED	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	240 x 320 pixels (~182 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	?	?	?
Battery	1,500 mAh	1,150 mAh	1,800 mAh	1,480 mAh	?
Processor	800 MHz Samsung S3C6410, Qualcomm QSC6085	200 MHz OMAP 850	1.5 GHz Qualcomm Snapdragon	?	?
RAM	?	?	1 GB	?	?
Storage	? raw hardware	? raw hardware	8 GB	? raw hardware	? raw hardware
Main Camera	3 megapixel	1 megapixel	8 megapixel	3 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QVGA (320 x 240)	QCIF (176 x 144)	1080p HD	?	?
Front Camera	Yes	-	1 megapixel	-	-
Weight	5.37 oz (152g)	4.09 oz (116g)	5.11 oz (145g)	3.6 oz (102g)	4.2 oz (119g)
Dimensions	4.61" x 2.42" x 0.61" (117 x 61 x 15.5 mm)	4.57" x 1.81" x 0.69" (116 x 46 x 17.5 mm)	5" x 2.69" x 0.44" (127 x 68 x 11.2 mm)	4.4" x 2.4" x 0.5" (112 x 61 x 12.7 mm)	4" x 1.9" x 0.7" (102 x 48 x 17.8 mm)
Form Factor	Slide	Slab	Slab	Slab	Slab
Platform / OS	Android	Windows Mobile Standard	Windows	Windows Mobile Standard	(proprietary)
Network Bands	CDMA: 850, 1900	GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900
Data Technology	EVDO rA	EDGE	HSPA+ 42	HSDPA 3.6	HSDPA 3.6
Features
GPS / Location	n/a	n/a	n/a	n/a	-
Accessibility
Adjustable Text Size	n/a	n/a	n/a	n/a	-
Hearing Aid Compatible	Yes M4, T3 (mostly tele-coil compatible)	-	Yes M3, T4 (very tele-coil compatible)	Yes M3 (mostly compatible)	-
Multiple Languages	n/a	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	-	Yes
Alerts
Ringer Profiles	-	Yes	-	Yes	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	-	Yes	-	-	-
Mobile Hotspot	n/a	n/a	n/a	n/a	-
NFC	-	-	Yes	-	-
USB	Yes Micro-USB	Yes Mini-USB	Yes Micro-USB	Yes	Yes
Wi-Fi	Yes 4 (802.11 b,g,n)	-	Yes 4 (802.11 a,b,g,n)	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
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
Text Keyboard, Hardware	Yes	-	-	Yes	-
Touch Screen	Yes Capacitive	-	Yes Capacitive	-	-
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	Yes
Messaging
Email Client	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
Video Calling	n/a	n/a	n/a	n/a	Yes *
Power
Wireless Charging	-	-	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	Yes
Voice Memo	n/a	n/a	n/a	n/a	Yes
Software
Games	n/a	n/a	n/a	n/a	Yes
Java (J2ME)	n/a	n/a	n/a	n/a	Yes
Voice
Headset Jack (2.5 mm)	n/a	n/a	n/a	n/a	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung Transform	HTC 2125 / 2100 (Faraday)	Nokia Lumia 810	Samsung Jack i637	Sony Ericsson K850
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Transform	HTC 2125 / 2100 (Faraday)	Nokia Lumia 810	Samsung Jack i637	Sony Ericsson K850