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Phone	Samsung Messager III / R570	Palm Treo 600 (GSM)	Samsung Transform Ultra	Sony Xperia Pro	Samsung SCH-A990
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	2.4" diag. 4 : 3	?	3.5" diag. 5 : 3	6.5" diag. 21 : 9	?
Display Resolution & Type	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	160 x 160 pixels LCD (Color)	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)	1644 x 3840 pixels (~643 ppi) AMOLED	240 x 320 pixels LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	60 Hz	?
Battery	1,140 mAh	?	1,500 mAh	4,000 mAh	1,000 mAh
Processor	?	?	1 GHz Qualcomm Snapdragon S2 MSM8655	Qualcomm Snapdragon 865	?
RAM	?	?	?	12 GB	?
Storage	? raw hardware	? raw hardware	? raw hardware	512 GB	? raw hardware
Main Camera	1 megapixel	Yes	3 megapixel	12 megapixel	3 megapixel
Wide Camera	-	-	-	12 megapixel	-
Tele Camera	-	-	-	12 megapixel	-
Video Capture	-	-	VGA (640 x 480)	4K UHD	?
Front Camera	-	-	Yes	8 megapixel	-
Weight	3.7 oz (105g)	5.92 oz (168g)	4.9 oz (139g)	7.94 oz (225g)	4.4 oz (125g)
Dimensions	4.59" x 2.11" x 0.59" (117 x 53 x 15 mm)	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)	4.5" x 2.4" x 0.55" (114 x 61 x 14 mm)	6.7" x 3" x 0.4" (170 x 76 x 10.2 mm)	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)
Form Factor	Slide	Slab	Slide	Slab	Clamshell
Platform / OS	(proprietary)	Palm OS	Android	Android	(proprietary)
Network Bands	CDMA: 850, 1700, 1900	GSM: 850, 900, 1800, 1900	CDMA: 800, 850, 1900	5G: 2, 5, 66, 260, 261 4G LTE: 2, 4, 5, 7, 12, 13, 25, 26, 41, 48, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900
Data Technology	1xRTT	GPRS	EVDO rA	NR (5G)	EVDO r0
Features
Fingerprint Reader	-	-	-	Yes stand-alone	-
Flashlight	-	-	-	Yes	Yes
GPS / Location	Yes	n/a	n/a	n/a	Yes
Water-Resistant	-	-	-	Yes IPX8 (SCUBA)	-
Accessibility
Hearing Aid Compatible	Yes	-	Yes	Yes	Yes
Multiple Languages	Yes	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	-	Yes
Connectivity
Bluetooth	Yes Classic Audio	-	Yes Classic Audio	Yes Classic Audio	Yes Classic Audio
Infrared (IR)	-	Yes	-	-	-
Mobile Hotspot	-	n/a	n/a	n/a	-
NFC	-	-	-	Yes	-
USB	Yes	Yes	Yes	Yes USB Type C	Yes
Wi-Fi	-	-	Yes 4 (802.11 a,b,g,n)	Yes 6 (802.11 a,ac,ax,b,g,n)	-
Contacts
Picture ID	Yes	n/a	n/a	n/a	Yes
Ringer ID	Yes	n/a	n/a	n/a	Yes
Voice Dialing	Yes	n/a	n/a	n/a	Yes
Customization
Custom Graphics	Yes	n/a	n/a	n/a	Yes
Custom Ringtones	Yes	n/a	n/a	n/a	Yes
Real-Music Ringers	Yes	n/a	n/a	n/a	Yes
Data & Network
Data Tethering	-	n/a	n/a	n/a	Yes
Dual-SIM	-	-	-	Yes	-
WAP / Web Browser	Yes	n/a	n/a	n/a	Yes
Input
Predictive Text Entry	Yes	n/a	n/a	n/a	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	Yes	Yes	Yes	-	-
Touch Screen	-	Yes	Yes	Yes	-
Memory
Memory Card Slot	Yes	Yes	Yes	Yes	Yes
Messaging
Email Client	-	n/a	n/a	n/a	-
EMS / Picture Messaging	-	n/a	n/a	n/a	Yes
Instant Messaging	-	n/a	n/a	n/a	-
MMS	Yes	n/a	n/a	n/a	Yes
Text Messaging Templates	Yes	n/a	n/a	n/a	Yes
Music
Headphone Jack (3.5mm)	Yes	-	Yes	Yes	-
Music Player	Yes	n/a	n/a	n/a	Yes
Stereo Speakers	-	-	-	Yes	Yes
Photo & Video
TV Output	-	-	-	Yes	Yes
Power
Fast Charging	-	-	-	Yes	-
Productivity
Alarm	Yes	n/a	n/a	n/a	Yes
Calculator	Yes	n/a	n/a	n/a	Yes
Calendar	Yes	n/a	n/a	n/a	Yes
To-Do List	-	n/a	n/a	n/a	-
Voice Memo	Yes	n/a	n/a	n/a	Yes
Software
BREW	Yes	n/a	n/a	n/a	Yes
Games	Yes	n/a	n/a	n/a	Yes
Voice
HD Voice	-	-	-	Yes	-
Headset Jack (2.5 mm)	-	n/a	n/a	n/a	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	Samsung Messager III / R570	Palm Treo 600 (GSM)	Samsung Transform Ultra	Sony Xperia Pro	Samsung SCH-A990
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung Messager III / R570	Palm Treo 600 (GSM)	Samsung Transform Ultra	Sony Xperia Pro	Samsung SCH-A990