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Phone	Asus ZenFone 4	Samsung SCH-A610	Ericsson R520	Motorola RAZR V3c	Palm Treo 600 (CDMA)
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	5.5" diag. 16 : 9	?	?	?	?
Display Resolution & Type	1080 x 1920 pixels (~401 ppi) LCD (TFT/TFD)	128 x 160 pixels LCD (TFT/TFD)	?	176 x 220 pixels LCD (TFT/TFD)	160 x 160 pixels LCD (Color)
Display Refresh	60 Hz	?	?	?	?
Battery	3,300 mAh	1,300 mAh	?	740 mAh	?
Processor	2.2 GHz Qualcomm Snapdragon 630	?	?	?	?
RAM	4 GB	?	?	?	?
Storage	64 GB	? raw hardware	? raw hardware	? raw hardware	? raw hardware
Main Camera	12 megapixel	Yes	-	1 megapixel	Yes
Wide Camera	Yes	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	4K UHD	-	-	?	-
Front Camera	8 megapixel	-	-	-	-
Weight	5.47 oz (155g)	4.23 oz (120g)	4.23 oz (120g)	3.49 oz (99g)	6.2 oz (176g)
Dimensions	6.12" x 2.96" x 0.3" (155 x 75 x 7.7 mm)	3.5" x 1.9" x 0.9" (89 x 48 x 22.9 mm)	5.12" x 1.97" x 0.63" (130 x 50 x 16 mm)	3.9" x 2.1" x 0.6" (99 x 53 x 15.2 mm)	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)
Form Factor	Slab	Clamshell	Slab	Clamshell	Slab
Platform / OS	Android	(proprietary)	(proprietary)	(proprietary)	Palm OS
Network Bands	4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 28 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	GSM: 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900
Data Technology	LTE (Cat 12)	1xRTT	GPRS	EVDO r0	1xRTT
Features
Fingerprint Reader	Yes stand-alone	-	-	-	-
Flashlight	Yes	-	-	-	-
GPS / Location	n/a	Yes	-	Yes	n/a
Accessibility
Hearing Aid Compatible	Yes M4, T3 (mostly tele-coil compatible)	-	-	Yes M3 (mostly compatible)	-
Multiple Languages	n/a	Yes	Yes	Yes	n/a
TTY/TDD (Digital)	-	-	-	Yes	Yes
Alerts
Extra Display	-	-	-	Yes	-
Ringer Profiles	-	-	Yes	-	-
Connectivity
Bluetooth	Yes	-	Yes	Yes	-
Infrared (IR)	-	-	Yes	-	Yes
NFC	Yes	-	-	-	-
USB	Yes USB Type C	-	-	Yes Mini-USB	Yes
Wi-Fi	Yes 5 (802.11 a,ac,b,g,n)	-	-	-	-
Contacts
Picture ID	n/a	Yes	-	Yes	n/a
Ringer ID	n/a	Yes	-	Yes	n/a
Voice Dialing	n/a	Yes	Yes	Yes	n/a
Customization
Custom Graphics	n/a	Yes	-	Yes	n/a
Custom Ringtones	n/a	Yes	Yes	Yes	n/a
Real-Music Ringers	n/a	-	-	Yes	n/a
Data & Network
Data Tethering	n/a	Yes	Yes	Yes	n/a
Dual-SIM	Yes	-	-	-	-
WAP / Web Browser	n/a	Yes	Yes	Yes	n/a
Input
Predictive Text Entry	n/a	Yes	Yes	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	-	Yes
Touch Screen	Yes Capacitive	-	-	-	Yes
Memory
Memory Card Slot	Yes	-	-	-	Yes
Messaging
Email Client	n/a	-	-	-	n/a
EMS / Picture Messaging	n/a	Yes	-	Yes	n/a
MMS	n/a	Yes	-	Yes	n/a
Text Messaging Templates	n/a	Yes	Yes	Yes	n/a
Music
Headphone Jack (3.5mm)	Yes	-	-	-	-
Photo & Video
Miracast	Yes	-	-	-	-
Power
Fast Charging	Yes	-	-	-	-
Productivity
Alarm	n/a	Yes	Yes	Yes	n/a
Calculator	n/a	Yes	Yes	Yes	n/a
Calendar	n/a	Yes	Yes	Yes	n/a
To-Do List	n/a	Yes	-	-	n/a
Voice Memo	n/a	Yes	Yes	Yes	n/a
Software
BREW	n/a	Yes	-	Yes	n/a
Games	n/a	Yes	Yes	Yes	n/a
Voice
Headset Jack (2.5 mm)	n/a	Yes	-	-	n/a
Speaker Phone	Yes	-	Yes	Yes	Yes
	Asus ZenFone 4	Samsung SCH-A610	Ericsson R520	Motorola RAZR V3c	Palm Treo 600 (CDMA)
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NOTE: Differences are highlighted with bold / black text for visual clarity only.


Phone	Asus ZenFone 4	Samsung SCH-A610	Ericsson R520	Motorola RAZR V3c	Palm Treo 600 (CDMA)