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Phone	Ericsson R520	Samsung SPH-A250	Motorola Atrix HD	Ericsson T28 World	Palm Treo 600 (GSM)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Not yet released	Released	Released	Released
Display Size	?	?	4.5" diag. 16 : 9	?	?
Display Resolution & Type	?	?	720 x 1280 pixels (~326 ppi) LCD (TFT/TFD)	?	160 x 160 pixels LCD (Color)
Display Refresh	?	?	60 Hz	?	?
Battery	?	?	1,780 mAh	500 mAh	?
Processor	?	?	1.5 GHz Qualcomm Snapdragon	?	?
RAM	?	?	1 GB	?	?
Storage	? raw hardware	? raw hardware	8 GB	? raw hardware	? raw hardware
Main Camera	-	-	8 megapixel	-	Yes
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	-	1080p HD	-	-
Front Camera	-	-	1 megapixel	-	-
Weight	4.23 oz (120g)	2.82 oz (80g)	4.94 oz (140g)	3.14 oz (89g)	5.92 oz (168g)
Dimensions	5.12" x 1.97" x 0.63" (130 x 50 x 16 mm)	2.76" x 1.91" x 0.83" (70 x 49 x 21.1 mm)	5.26" x 2.75" x 0.33" (133 x 70 x 8.4 mm)	3.9" x 2" x 0.6" (99 x 51 x 15.2 mm)	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)
Form Factor	Slab	Clamshell	Slab	Flip	Slab
Platform / OS	(proprietary)	(proprietary)	Android	(proprietary)	Palm OS
Network Bands	GSM: 900, 1800, 1900	CDMA: 1900	4G LTE: 4, 17 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900	GSM: 900, 1900	GSM: 850, 900, 1800, 1900
Data Technology	GPRS	-	LTE (Cat 3)	-	GPRS
Features
GPS / Location	-	-	n/a	-	n/a
Accessibility
Adjustable Text Size	-	-	n/a	-	n/a
Hearing Aid Compatible	-	-	Yes	-	-
Multiple Languages	Yes	-	n/a	-	n/a
TTY/TDD (Digital)	-	-	Yes	-	Yes
Alerts
Ringer Profiles	Yes	-	-	Yes	-
Connectivity
Bluetooth	Yes HSP, Sync, OPP, DUN	-	Yes Classic Audio	-	-
Infrared (IR)	Yes	-	-	-	Yes
Mobile Hotspot	-	-	n/a	-	n/a
USB	-	-	Yes Micro-USB	-	Yes
Wi-Fi	-	-	Yes 4 (802.11 a,b,g,n)	-	-
Contacts
Picture ID	-	-	n/a	-	n/a
Ringer ID	-	-	n/a	-	n/a
Voice Dialing	Yes	Yes	n/a	Yes	n/a
Customization
Custom Graphics	-	-	n/a	-	n/a
Custom Ringtones	Yes	-	n/a	Yes	n/a
Real-Music Ringers	-	-	n/a	-	n/a
Data & Network
Data Tethering	Yes	Yes	n/a	Yes	n/a
WAP / Web Browser	Yes	Yes	n/a	-	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	-	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	-	-	Yes	-	Yes
Memory
Memory Card Slot	-	-	Yes	-	Yes
Messaging
Email Client	-	-	n/a	-	n/a
Instant Messaging	-	-	n/a	-	n/a
MMS	-	-	n/a	-	n/a
Text Messaging Templates	Yes	-	n/a	-	n/a
Music
Headphone Jack (3.5mm)	-	-	Yes	-	-
Music Player	-	-	n/a	-	n/a
Photo & Video
DLNA	-	-	Yes	-	-
TV Output	-	-	Yes	-	-
Productivity
Alarm	Yes	Yes	n/a	Yes	n/a
Calculator	Yes	Yes	n/a	Yes	n/a
Calendar	Yes	Yes	n/a	-	n/a
To-Do List	-	Yes	n/a	-	n/a
Voice Memo	Yes	-	n/a	-	n/a
Software
Games	Yes	-	n/a	Yes	n/a
Voice
Headset Jack (2.5 mm)	-	Yes	n/a	-	n/a
Speaker Phone	Yes	-	Yes	-	Yes
	Ericsson R520	Samsung SPH-A250	Motorola Atrix HD	Ericsson T28 World	Palm Treo 600 (GSM)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Ericsson R520	Samsung SPH-A250	Motorola Atrix HD	Ericsson T28 World	Palm Treo 600 (GSM)