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Specifications
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Phone	Samsung SPH-i550	ZTE Z998 / Unico LTE	Samsung SCH-A310	Motorola V195 / V197	Palm Treo 600 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Not yet released	Released	Released	Released	Released
Display Size	?	4.5" diag. 16 : 9	?	?	?
Display Resolution & Type	320 x 320 pixels LCD (TFT/TFD)	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	128 x 128 pixels LCD (Grayscale)	128 x 160 pixels LCD (STN)	160 x 160 pixels LCD (Color)
Display Refresh	?	60 Hz	?	?	?
Battery	?	2,070 mAh	?	1,020 mAh	?
Processor	200 MHz Motorola MX-1	1.2 GHz Qualcomm Snapdragon 400 MSM8930	?	?	?
RAM	?	1 GB	?	?	?
Storage	? raw hardware	4 GB	? raw hardware	? raw hardware	? raw hardware
Main Camera	1 megapixel	5 megapixel	-	-	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	720p HD	-	-	-
Front Camera	-	1 megapixel	-	-	-
Weight	?	4.8 oz (136g)	3.2 oz (91g)	3.55 oz (101g)	6.2 oz (176g)
Dimensions	3.46" x 2.34" x 1.1" (88 x 59 x 27.9 mm)	5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm)	3.43" x 1.89" x 0.87" (87 x 48 x 22.1 mm)	3.58" x 1.85" x 0.94" (91 x 47 x 23.9 mm)	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)
Form Factor	Clamshell	Slab	Clamshell	Clamshell	Slab
Platform / OS	Palm OS	Android	(proprietary)	(proprietary)	Palm OS
Network Bands	CDMA: 850, 1900 AMPS: 850	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 *	CDMA: 850, 1900 AMPS: 850	GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	1xRTT	LTE (Cat 3)	1xRTT	GPRS	1xRTT
Features
GPS / Location	n/a	n/a	Yes	-	n/a
Accessibility
Adjustable Text Size	n/a	n/a	-	-	n/a
Hearing Aid Compatible	-	Yes M3, T4 (very tele-coil compatible)	-	-	-
Multiple Languages	n/a	n/a	Yes	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	-	Yes	Yes
Alerts
Extra Display	Yes	-	Yes	Yes	-
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	-	Yes	-	Yes	-
Infrared (IR)	Yes	-	-	-	Yes
Mobile Hotspot	n/a	n/a	-	-	n/a
USB	-	Yes Micro-USB	Yes	Yes Mini-USB	Yes
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	-	-
Contacts
Picture ID	n/a	n/a	-	Yes	n/a
Ringer ID	n/a	n/a	-	Yes	n/a
Voice Dialing	n/a	n/a	Yes	Yes	n/a
Customization
Changeable Body Plates	-	-	Yes	-	-
Custom Graphics	n/a	n/a	-	Yes	n/a
Custom Ringtones	n/a	n/a	-	Yes	n/a
Real-Music Ringers	n/a	n/a	-	Yes	n/a
Data & Network
Data Tethering	n/a	n/a	Yes	Yes	n/a
WAP / Web Browser	n/a	n/a	Yes	Yes	n/a
Input
Predictive Text Entry	n/a	n/a	Yes	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	Yes	Yes Capacitive	-	-	Yes
Memory
Memory Card Slot	Yes	Yes	-	-	Yes
Messaging
Email Client	n/a	n/a	-	-	n/a
EMS / Picture Messaging	n/a	n/a	-	Yes	n/a
Instant Messaging	n/a	n/a	-	Yes	n/a
MMS	n/a	n/a	-	Yes	n/a
Text Messaging Templates	n/a	n/a	-	Yes	n/a
Music
Headphone Jack (3.5mm)	-	Yes	-	-	-
Music Player	n/a	n/a	-	-	n/a
Productivity
Alarm	n/a	n/a	-	Yes	n/a
Calculator	n/a	n/a	-	Yes	n/a
Calendar	n/a	n/a	Yes	Yes	n/a
To-Do List	n/a	n/a	-	-	n/a
Voice Memo	n/a	n/a	Yes	-	n/a
Software
Games	n/a	n/a	Yes	Yes	n/a
Java (J2ME)	n/a	n/a	-	Yes	n/a
Voice
Headset Jack (2.5 mm)	n/a	n/a	Yes	Yes	n/a
Push-To-Talk	-	-	-	Yes *	-
Speaker Phone	-	Yes	-	Yes	Yes
	* Some versions only
	Samsung SPH-i550	ZTE Z998 / Unico LTE	Samsung SCH-A310	Motorola V195 / V197	Palm Treo 600 (CDMA)
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SPH-i550	ZTE Z998 / Unico LTE	Samsung SCH-A310	Motorola V195 / V197	Palm Treo 600 (CDMA)