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Phone	Samsung SCH-A990	Siemens SL55	Palm Treo 600 (CDMA)	Sony Ericsson Z500	Alcatel Idol 4S
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Not yet released
Display Size	?	?	?	?	5.5" diag. 16 : 9
Display Resolution & Type	240 x 320 pixels LCD (TFT/TFD)	101 x 80 pixels LCD (STN)	160 x 160 pixels LCD (Color)	128 x 160 pixels LCD (STN)	1440 x 2560 pixels (~534 ppi) AMOLED
Display Refresh	?	?	?	?	60 Hz
Battery	1,000 mAh	500 mAh	?	?	3,000 mAh
Processor	?	?	?	?	1.8 GHz Qualcomm Snapdragon 652 (MSM8976)
RAM	?	?	?	?	3 GB
Storage	? raw hardware	? raw hardware	? raw hardware	? raw hardware	32 GB
Main Camera	3 megapixel	-	Yes	Yes	16 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	-	-	?	4K UHD
Front Camera	-	-	-	-	8 megapixel
Weight	4.4 oz (125g)	2.79 oz (79g)	6.2 oz (176g)	3.88 oz (110g)	5.26 oz (149g)
Dimensions	3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm)	3.21" x 1.75" x 0.86" (82 x 44 x 21.8 mm)	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)	3.66" x 1.93" x 0.94" (93 x 49 x 23.9 mm)	6.06" x 2.97" x 0.28" (154 x 75 x 7 mm)
Form Factor	Clamshell	Slide	Slab	Clamshell	Slab
Platform / OS	(proprietary)	(proprietary)	Palm OS	(proprietary)	Android
Network Bands	CDMA: 850, 1900	GSM: 900, 1800, 1900	CDMA: 850, 1900	GSM: 850, 1800, 1900 *	4G LTE: 2, 4, 5, 7, 12, 17 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900
Data Technology	EVDO r0	GPRS	1xRTT	EDGE	LTE (Cat 4)
Features
Fingerprint Reader	-	-	-	-	Yes *
Flashlight	Yes	-	-	-	Yes
GPS / Location	Yes	-	n/a	-	n/a
Accessibility
Adjustable Text Size	-	-	n/a	-	n/a
Hearing Aid Compatible	Yes	-	-	-	Yes
Multiple Languages	Yes	Yes	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	-	Yes	Yes	Yes
Alerts
Extra Display	Yes	-	-	Yes	-
Ringer Profiles	-	Yes	-	Yes	-
Connectivity
Bluetooth	Yes Classic Audio	-	-	-	Yes Classic Audio
Infrared (IR)	-	Yes	Yes	-	-
Mobile Hotspot	-	-	n/a	-	n/a
NFC	-	-	-	-	Yes
USB	Yes	-	Yes	Yes	Yes Micro-USB
Wi-Fi	-	-	-	-	Yes 5 (802.11 a,ac,b,g,n)
Contacts
Picture ID	Yes	Yes	n/a	Yes	n/a
Ringer ID	Yes	Yes	n/a	Yes	n/a
Voice Dialing	Yes	Yes	n/a	Yes	n/a
Customization
Changeable Body Plates	-	-	-	Yes	-
Custom Graphics	Yes	Yes	n/a	Yes	n/a
Custom Ringtones	Yes	Yes	n/a	Yes	n/a
Real-Music Ringers	Yes	-	n/a	-	n/a
Data & Network
Data Tethering	Yes	Yes	n/a	Yes	n/a
Dual-SIM	-	-	-	-	Yes *
WAP / Web Browser	Yes	Yes	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	Yes	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	-
Touch Screen	-	-	Yes	-	Yes
Memory
Memory Card Slot	Yes	-	Yes	-	Yes
Messaging
Email Client	-	Yes	n/a	Yes	n/a
EMS / Picture Messaging	Yes	Yes	n/a	Yes	n/a
Instant Messaging	-	-	n/a	Yes	n/a
MMS	Yes	Yes	n/a	Yes	n/a
Text Messaging Templates	Yes	Yes	n/a	Yes	n/a
Music
Headphone Jack (3.5mm)	-	-	-	-	Yes
Music Player	Yes	-	n/a	-	n/a
Stereo Speakers	Yes	-	-	-	Yes
Photo & Video
Miracast	-	-	-	-	Yes
TV Output	Yes	-	-	-	-
Power
Fast Charging	-	-	-	-	Yes
Productivity
Alarm	Yes	Yes	n/a	Yes	n/a
Calculator	Yes	Yes	n/a	Yes	n/a
Calendar	Yes	Yes	n/a	Yes	n/a
To-Do List	-	Yes	n/a	Yes	n/a
Voice Memo	Yes	Yes	n/a	Yes	n/a
Software
BREW	Yes	-	n/a	-	n/a
Games	Yes	Yes	n/a	Yes	n/a
Java (J2ME)	-	Yes	n/a	Yes	n/a
Voice
HD Voice	-	-	-	-	Yes
Headset Jack (2.5 mm)	-	-	n/a	-	n/a
Push-To-Talk	-	-	-	Yes *	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Samsung SCH-A990	Siemens SL55	Palm Treo 600 (CDMA)	Sony Ericsson Z500	Alcatel Idol 4S
	X >	< X >	< X >	< X >	< X

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


Phone	Samsung SCH-A990	Siemens SL55	Palm Treo 600 (CDMA)	Sony Ericsson Z500	Alcatel Idol 4S