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Specifications
	X >	< X >	< X >	< X >	< X

Phone	Palm Treo 680	AT&T Vista	Ericsson T66	Sony Ericsson Z520 / Z525	Motorola Q9m / Q9c
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	5.5" diag. 18 : 9	?	?	2.4" diag. 4 : 3
Display Resolution & Type	320 x 320 pixels LCD (TFT/TFD)	720 x 1440 pixels (~293 ppi) LCD (TFT/TFD)	?	128 x 160 pixels LCD (TFT/TFD)	320 x 240 pixels (~167 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	?
Battery	?	2,450 mAh	?	?	1,170 mAh
Processor	?	2 GHz MediaTek Helio A22 (MT6761V)	?	?	PXA27x (ARM920T)
RAM	?	3 GB	?	?	?
Storage	? raw hardware	32 GB	? raw hardware	? raw hardware	? raw hardware
Main Camera	Yes	8 megapixel	-	Yes	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	CIF (352 x 288)	1080p HD	-	?	?
Front Camera	-	5 megapixel	-	-	-
Weight	5.5 oz (156g)	5.51 oz (156g)	2.08 oz (59g)	3.46 oz (98g)	4.76 oz (135g)
Dimensions	4.4" x 2.3" x 0.8" (112 x 58 x 20.3 mm)	5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm)	3.62" x 1.61" x 0.69" (92 x 41 x 17.5 mm)	3.27" x 1.81" x 0.94" (83 x 46 x 23.9 mm)	4.61" x 2.56" x 0.47" (117 x 65 x 11.9 mm)
Form Factor	Slab	Slab	Slab	Clamshell	Slab
Platform / OS	Palm OS	Android	(proprietary)	(proprietary)	Windows Mobile Standard
Network Bands	GSM: 850, 900, 1800, 1900	4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8	GSM: 900, 1800, 1900	GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	EDGE	LTE (Cat 4)	-	GPRS	EVDO r0
Features
Flashlight	-	Yes	-	-	-
GPS / Location	n/a	n/a	-	-	n/a
Accessibility
Hearing Aid Compatible	-	Yes M4, T4 (very tele-coil compatible)	-	-	Yes M3 (mostly compatible)
Multiple Languages	n/a	n/a	Yes	Yes	n/a
TTY/TDD (Digital)	Yes	-	-	Yes	Yes
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	-	-	Yes	Yes	Yes
Connectivity
Bluetooth	Yes	Yes	-	Yes	Yes
Infrared (IR)	Yes	-	-	Yes	-
USB	Yes	Yes USB Type C	-	Yes	Yes Mini-USB
Wi-Fi	-	Yes	-	-	-
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	n/a
Customization
Changeable Body Plates	-	-	-	Yes	-
Custom Graphics	n/a	n/a	Yes	Yes	n/a
Custom Ringtones	n/a	n/a	Yes	Yes	n/a
Real-Music Ringers	n/a	n/a	-	Yes	n/a
Data & Network
Data Tethering	n/a	n/a	-	Yes	n/a
External Antenna Jack	n/a	n/a	-	-	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	-	-	-	Yes
Touch Screen	Yes	Yes Capacitive	-	-	-
Memory
Memory Card Slot	Yes	Yes	-	-	Yes
Messaging
Email Client	n/a	n/a	-	Yes	n/a
EMS / Picture Messaging	n/a	n/a	Yes	Yes	n/a
MMS	n/a	n/a	-	Yes	n/a
Text Messaging Templates	n/a	n/a	Yes	Yes	n/a
Music
Headphone Jack (3.5mm)	-	Yes	-	-	-
Music Player	n/a	n/a	-	-	n/a
Stereo Speakers	-	-	-	-	Yes
Productivity
Alarm	n/a	n/a	Yes	Yes	n/a
Calculator	n/a	n/a	Yes	Yes	n/a
Calendar	n/a	n/a	Yes	Yes	n/a
To-Do List	n/a	n/a	Yes	Yes	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
HD Voice	-	Yes	-	-	-
Headset Jack (2.5 mm)	n/a	n/a	-	-	n/a
Push-To-Talk	-	-	-	Yes *	-
Speaker Phone	Yes	Yes	-	Yes	Yes
	* Some versions only
	Palm Treo 680	AT&T Vista	Ericsson T66	Sony Ericsson Z520 / Z525	Motorola Q9m / Q9c
	X >	< X >	< X >	< X >	< X

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


Phone	Palm Treo 680	AT&T Vista	Ericsson T66	Sony Ericsson Z520 / Z525	Motorola Q9m / Q9c