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Phone	Palm Treo 800w	Siemens SK65	Huawei Pinnacle	Samsung Instinct M800	Microsoft Lumia 550
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	2.4" diag. 4 : 3	3.2" diag. 16 : 9	4.7" diag. 16 : 9
Display Resolution & Type	320 x 320 pixels LCD (TFT/TFD)	132 x 176 pixels LCD (TFT/TFD)	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)	240 x 432 pixels (~154 ppi) LCD (TFT/TFD)	720 x 1280 pixels (~312 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	?
Battery	1,150 mAh	750 mAh	900 mAh	1,000 mAh	2,100 mAh
Processor	?	?	Qualcomm QSC6055	?	1.1 GHz Qualcomm Snapdragon 210 (MSM8909)
RAM	?	?	?	?	1 GB
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	8 GB
Main Camera	2 megapixel	-	1 megapixel	2 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	QVGA (320 x 240)	-	QCIF (176 x 144)	QVGA (320 x 240)	720p HD
Front Camera	-	-	-	-	2 megapixel
Weight	5 oz (142g)	5.08 oz (144g)	3.53 oz (100g)	4.44 oz (126g)	5.01 oz (142g)
Dimensions	4.4" x 2.3" x 0.7" (112 x 58 x 17.8 mm)	4.72" x 1.85" x 0.87" (120 x 47 x 22.1 mm)	4.33" x 2.4" x 0.51" (110 x 61 x 13 mm)	4.55" x 2.16" x 0.49" (116 x 55 x 12.4 mm)	5.36" x 2.67" x 0.39" (136 x 68 x 9.9 mm)
Form Factor	Slab	Slab	Slab	Slab	Slab
Platform / OS	Windows Mobile Professional	(proprietary)	(proprietary)	(proprietary)	Windows
Network Bands	CDMA: 850, 1900	GSM: 900, 1800, 1900	CDMA: 850, 1700, 1900	CDMA: 850, 1900	4G LTE: 2, 4, 5, 7, 12, 17 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	EVDO rA	GPRS	1xRTT	EVDO rA	LTE (Cat 4)
Features
Flashlight	-	-	-	-	Yes
GPS / Location	n/a	-	Yes	Yes	n/a
Accessibility
Adjustable Text Size	n/a	-	-	-	n/a
Hearing Aid Compatible	Yes M4, T4 (very tele-coil compatible)	-	Yes M4, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	Yes M3, T4 (very tele-coil compatible)
Multiple Languages	n/a	Yes	Yes	-	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	Yes
Connectivity
Bluetooth	Yes	Yes	Yes	Yes	Yes
Infrared (IR)	Yes	Yes	-	-	-
Mobile Hotspot	n/a	-	-	-	n/a
USB	Yes Micro-USB	Yes	Yes Micro-USB	Yes	Yes Micro-USB
Wi-Fi	Yes 802.11 b,g	-	-	-	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	n/a	-	Yes	Yes	n/a
Ringer ID	n/a	-	Yes	Yes	n/a
Voice Dialing	n/a	-	-	Yes	n/a
Customization
Custom Graphics	n/a	Yes	Yes	Yes	n/a
Custom Ringtones	n/a	Yes	Yes	Yes	n/a
Real-Music Ringers	n/a	-	-	Yes	n/a
Data & Network
Data Tethering	n/a	Yes	-	Yes	n/a
External Antenna Jack	n/a	-	-	-	n/a
WAP / Web Browser	n/a	Yes	Yes	Yes	n/a
Input
Predictive Text Entry	n/a	-	Yes	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	Yes	-	-	Yes	-
Text Keyboard, Hardware	Yes	Yes	Yes	-	-
Touch Screen	Yes Resistive	-	-	Yes	Yes Capacitive
Memory
Memory Card Slot	Yes	-	Yes	Yes	Yes
Messaging
Email Client	n/a	Yes	Yes	Yes	n/a
Instant Messaging	n/a	-	Yes	-	n/a
MMS	n/a	Yes	Yes	-	n/a
Text Messaging Templates	n/a	-	-	-	n/a
Music
FM Radio	-	-	-	-	Yes
Headphone Jack (3.5mm)	-	-	Yes	Yes	Yes
Music Player	n/a	-	Yes	Yes	n/a
Productivity
Alarm	n/a	Yes	Yes	Yes	n/a
Calculator	n/a	Yes	Yes	Yes	n/a
Calendar	n/a	Yes	Yes	Yes	n/a
To-Do List	n/a	Yes	-	-	n/a
Voice Memo	n/a	Yes	Yes	-	n/a
Software
BREW	n/a	-	Yes	-	n/a
Games	n/a	Yes	Yes	Yes	n/a
Java (J2ME)	n/a	Yes	-	Yes	n/a
Voice
HD Voice	-	-	-	-	Yes
Push-To-Talk	-	Yes *	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Palm Treo 800w	Siemens SK65	Huawei Pinnacle	Samsung Instinct M800	Microsoft Lumia 550
	X >	< X >	< X >	< X >	< X

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


Phone	Palm Treo 800w	Siemens SK65	Huawei Pinnacle	Samsung Instinct M800	Microsoft Lumia 550