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Phone	Palm Treo 600 (CDMA)	HTC Touch Pro2 (GSM) / Tilt 2	ZTE Blade Max 3 / Max Blue	Samsung M220	Samsung MM-A900 / SPH-A900 / Ace
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	3.6" diag. 5 : 3	6" diag. 16 : 9	1.5" diag. 4 : 3	?
Display Resolution & Type	160 x 160 pixels LCD (Color)	480 x 800 pixels (~259 ppi) LCD (TFT/TFD)	1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD)	128 x 160 pixels (~137 ppi) LCD (TFT/TFD)	240 x 320 pixels LCD (TFT/TFD)
Display Refresh	?	?	60 Hz	?	?
Battery	?	1,500 mAh	4,000 mAh	800 mAh	?
Processor	?	528 MHz Qualcomm MSM7200A	2 GHz Qualcomm Snapdragon 625 (MSM8953)	?	?
RAM	?	?	2 GB	?	?
Storage	? raw hardware	? raw hardware	16 GB	? raw hardware	? raw hardware
Main Camera	Yes	3 megapixel	13 megapixel	-	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	?	4K UHD	-	?
Front Camera	-	-	5 megapixel	-	-
Weight	6.2 oz (176g)	6.61 oz (187g)	6.34 oz (180g)	3.1 oz (88g)	3.9 oz (111g)
Dimensions	4.41" x 2.36" x 0.87" (112 x 60 x 22.1 mm)	4.59" x 2.36" x 0.68" (117 x 60 x 17.3 mm)	6.49" x 3.3" x 0.35" (165 x 84 x 8.9 mm)	3.5" x 1.9" x 0.8" (89 x 48 x 20.3 mm)	3.86" x 2.01" x 0.57" (98 x 51 x 14.5 mm)
Form Factor	Slab	Slab	Slab	Clamshell	Clamshell
Platform / OS	Palm OS	Windows Mobile Professional	Android	(proprietary)	(proprietary)
Network Bands	CDMA: 850, 1900	WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 *	4G LTE: 2, 4, 5, 12, 13, 25 WCDMA: 2, 4, 5 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	CDMA: 850, 1900
Data Technology	1xRTT	HSPA 7.2	LTE (Cat 4)	1xRTT	EVDO r0
Features
Fingerprint Reader	-	-	Yes stand-alone	-	-
Flashlight	-	-	Yes	-	-
GPS / Location	n/a	n/a	n/a	Yes	Yes
Accessibility
Adjustable Text Size	n/a	n/a	n/a	-	-
Hearing Aid Compatible	-	-	Yes M4, T3 (mostly tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	-
Multiple Languages	n/a	n/a	n/a	Yes	Yes
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	-	-	Yes	Yes
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Infrared (IR)	Yes	-	-	-	-
USB	Yes	Yes	Yes USB Type C	Yes Micro-USB	Yes
Wi-Fi	-	Yes 802.11 b,g	Yes 5 (802.11 ac,b,g,n)	-	-
Contacts
Picture ID	n/a	n/a	n/a	Yes	Yes
Ringer ID	n/a	n/a	n/a	Yes	Yes
Voice Dialing	n/a	n/a	n/a	Yes	Yes
Customization
Custom Graphics	n/a	n/a	n/a	Yes	Yes
Custom Ringtones	n/a	n/a	n/a	Yes	Yes
Real-Music Ringers	n/a	n/a	n/a	-	-
Data & Network
Data Tethering	n/a	n/a	n/a	Yes	Yes
WAP / Web Browser	n/a	n/a	n/a	Yes	Yes
Input
Predictive Text Entry	n/a	n/a	n/a	Yes	Yes
Side Keys	Yes	Yes	Yes	Yes	Yes
Stylus	-	Yes	-	-	-
Text Keyboard, Hardware	Yes	Yes	-	-	-
Touch Screen	Yes	Yes	Yes Capacitive	-	-
Memory
Memory Card Slot	Yes	Yes	Yes	-	-
Messaging
Email Client	n/a	n/a	n/a	-	-
Instant Messaging	n/a	n/a	n/a	-	-
MMS	n/a	n/a	n/a	-	-
Text Messaging Templates	n/a	n/a	n/a	Yes	Yes
Music
Headphone Jack (3.5mm)	-	-	Yes	-	-
Music Player	n/a	n/a	n/a	-	Yes
Photo & Video
TV Output	-	Yes	-	-	-
Video Calling	n/a	n/a	n/a	-	-
Power
Fast Charging	-	-	Yes	-	-
Productivity
Alarm	n/a	n/a	n/a	Yes	Yes
Calculator	n/a	n/a	n/a	Yes	Yes
Calendar	n/a	n/a	n/a	Yes	Yes
To-Do List	n/a	n/a	n/a	Yes	Yes
Voice Memo	n/a	n/a	n/a	Yes	Yes
Software
Games	n/a	n/a	n/a	Yes	Yes
Java (J2ME)	n/a	n/a	n/a	Yes	Yes
Voice
Headset Jack (2.5 mm)	n/a	n/a	n/a	Yes	Yes
Push-To-Talk	-	Yes *	-	-	-
Speaker Phone	Yes	Yes	Yes	Yes	Yes
	* Some versions only
	Palm Treo 600 (CDMA)	HTC Touch Pro2 (GSM) / Tilt 2	ZTE Blade Max 3 / Max Blue	Samsung M220	Samsung MM-A900 / SPH-A900 / Ace
	X >	< X >	< X >	< X >	< X

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


Phone	Palm Treo 600 (CDMA)	HTC Touch Pro2 (GSM) / Tilt 2	ZTE Blade Max 3 / Max Blue	Samsung M220	Samsung MM-A900 / SPH-A900 / Ace