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Specifications
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Phone	Palm Treo 600 (CDMA)	Sony Ericsson T237 / T290a	ZTE Z221	Nokia E7-00	NEC Terrain
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	?	2" diag. 4 : 3	4" diag. 16 : 9	3.1" diag. 4 : 3
Display Resolution & Type	160 x 160 pixels LCD (Color)	101 x 80 pixels LCD (STN)	240 x 320 pixels (~200 ppi) LCD (TFT/TFD)	360 x 640 pixels (~184 ppi) AMOLED	480 x 640 pixels (~258 ppi) LCD (TFT/TFD)
Display Refresh	?	?	?	?	60 Hz
Battery	?	?	900 mAh	1,200 mAh	1,900 mAh
Processor	?	?	?	680 MHz ARM 11	1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960
RAM	?	?	?	?	1 GB
Storage	? raw hardware	? raw hardware	142 MB	16 GB	8 GB
Main Camera	Yes	-	Yes	8 megapixel	5 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	QCIF (176 x 144)	720p HD	720p HD
Front Camera	-	-	-	Yes	Yes
Weight	6.2 oz (176g)	2.79 oz (79g)	3.24 oz (92g)	6.21 oz (176g)	6.06 oz (172g)
Dimensions	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)	4" x 1.71" x 0.71" (102 x 43 x 18 mm)	3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm)	4.87" x 2.46" x 0.54" (124 x 62 x 13.6 mm)	5.02" x 2.54" x 0.57" (128 x 65 x 14.5 mm)
Form Factor	Slab	Slab	Clamshell	Slide	Slab
Platform / OS	Palm OS	(proprietary)	(proprietary)	Symbian^3	Android
Network Bands	CDMA: 850, 1900	GSM: 850, 1900	WCDMA: 2, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 1900
Data Technology	1xRTT	GPRS	HSDPA 3.6	HSPA 10.1	LTE (Cat 3)
Features
GPS / Location	n/a	-	Yes	n/a	n/a
Ruggedized	-	-	-	-	Yes
Water-Resistant	-	-	-	-	Yes IPX7 (snorkeling)
Accessibility
Adjustable Text Size	n/a	-	-	n/a	n/a
Hearing Aid Compatible	-	-	Yes M3, T3 (mostly tele-coil compatible)	-	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	Yes	Yes	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	-	Yes
Alerts
Extra Display	-	-	Yes	-	-
Ringer Profiles	-	-	Yes	Yes	-
Connectivity
Bluetooth	-	-	Yes	Yes	Yes
Infrared (IR)	Yes	-	-	-	-
Mobile Hotspot	n/a	-	-	n/a	n/a
NFC	-	-	-	-	Yes
USB	Yes	Yes	Yes	Yes Micro-USB	Yes Micro-USB
Wi-Fi	-	-	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)
Contacts
Picture ID	n/a	Yes	-	n/a	n/a
Ringer ID	n/a	Yes	-	n/a	n/a
Voice Dialing	n/a	Yes	-	n/a	n/a
Customization
Custom Graphics	n/a	Yes	Yes	n/a	n/a
Custom Ringtones	n/a	Yes	Yes	n/a	n/a
Real-Music Ringers	n/a	-	Yes	n/a	n/a
Data & Network
Data Tethering	n/a	-	-	n/a	n/a
WAP / Web Browser	n/a	Yes	Yes	n/a	n/a
Input
Predictive Text Entry	n/a	Yes	Yes	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	-	-	Yes	Yes
Touch Screen	Yes	-	-	Yes Capacitive	Yes Capacitive
Memory
Memory Card Slot	Yes	-	-	-	Yes
Messaging
Email Client	n/a	Yes	Yes	n/a	n/a
EMS / Picture Messaging	n/a	Yes	-	n/a	n/a
Instant Messaging	n/a	-	Yes	n/a	n/a
MMS	n/a	Yes	Yes	n/a	n/a
Text Messaging Templates	n/a	Yes	Yes	n/a	n/a
Music
FM Radio	-	-	-	Yes	Yes
Headphone Jack (3.5mm)	-	-	-	Yes	Yes
Music Player	n/a	-	-	n/a	n/a
Photo & Video
TV Output	-	-	-	Yes	-
Video Calling	n/a	-	-	n/a	n/a
Productivity
Alarm	n/a	Yes	Yes	n/a	n/a
Calculator	n/a	Yes	Yes	n/a	n/a
Calendar	n/a	Yes	Yes	n/a	n/a
To-Do List	n/a	-	-	n/a	n/a
Voice Memo	n/a	Yes	Yes	n/a	n/a
Software
Games	n/a	Yes	Yes	n/a	n/a
Java (J2ME)	n/a	-	Yes	n/a	n/a
Voice
Headset Jack (2.5 mm)	n/a	-	-	n/a	n/a
Push-To-Talk	-	-	-	-	Yes
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Palm Treo 600 (CDMA)	Sony Ericsson T237 / T290a	ZTE Z221	Nokia E7-00	NEC Terrain
	X >	< X >	< X >	< X >	< X

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


Phone	Palm Treo 600 (CDMA)	Sony Ericsson T237 / T290a	ZTE Z221	Nokia E7-00	NEC Terrain