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Phone	Ericsson T66	ZTE Grand X	ZTE Blade Z Max	Apple iPhone 4 (GSM)	Siemens M75
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Not yet released
Display Size	?	5" diag. 16 : 9	6" diag. 16 : 9	3.5" diag. 5 : 3	?
Display Resolution & Type	?	540 x 960 pixels (~220 ppi) LCD (TFT/TFD)	1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD)	640 x 960 pixels (~330 ppi) LCD (TFT/TFD)	132 x 176 pixels LCD (TFT/TFD)
Display Refresh	?	60 Hz	60 Hz	60 Hz	?
Battery	?	2,300 mAh	4,080 mAh	?	750 mAh
Processor	?	1.2 GHz Qualcomm Snapdragon 200 MSM8210	1.4 GHz Qualcomm Snapdragon 435 (MSM8940)	Apple A4	?
RAM	?	1 GB	2 GB	?	?
Storage	? raw hardware	4 GB	32 GB	32 GB *	? raw hardware
Main Camera	-	5 megapixel	16 megapixel	5 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	-	720p HD	1080p HD	720p HD	?
Front Camera	-	1 megapixel	8 megapixel	Yes	-
Weight	2.08 oz (59g)	6.06 oz (172g)	6.58 oz (186g)	4.8 oz (136g)	3.88 oz (110g)
Dimensions	3.62" x 1.61" x 0.69" (92 x 41 x 17.5 mm)	5.7" x 2.87" x 0.37" (145 x 73 x 9.4 mm)	6.51" x 3.28" x 0.33" (165 x 83 x 8.3 mm)	4.5" x 2.31" x 0.37" (114 x 59 x 9.4 mm)	4.35" x 2.03" x 0.82" (110 x 52 x 20.8 mm)
Form Factor	Slab	Slab	Slab	Slab	Slab
Platform / OS	(proprietary)	Android	Android	iOS	(proprietary)
Network Bands	GSM: 900, 1800, 1900	WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900	4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900	GSM: 900, 1800, 1900
Data Technology	-	HSPA+ 21	LTE (Cat 6)	HSPA 7.2	GPRS
Features
Fingerprint Reader	-	-	Yes stand-alone	-	-
Flashlight	-	-	Yes	-	-
GPS / Location	-	n/a	n/a	n/a	-
Ruggedized	-	-	-	-	Yes
Accessibility
Adjustable Text Size	-	n/a	n/a	n/a	-
Hearing Aid Compatible	-	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)	-
Multiple Languages	Yes	n/a	n/a	n/a	Yes
TTY/TDD (Digital)	-	Yes	Yes	Yes	-
Alerts
Ringer Profiles	Yes	-	-	-	Yes
Connectivity
Bluetooth	-	Yes	Yes	Yes	Yes
Infrared (IR)	-	-	-	-	Yes
Mobile Hotspot	-	n/a	n/a	n/a	-
USB	-	Yes Micro-USB	Yes USB Type C	Yes	Yes
Wi-Fi	-	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	Yes 4 (802.11 b,g,n)	-
Contacts
Picture ID	-	n/a	n/a	n/a	Yes
Ringer ID	-	n/a	n/a	n/a	Yes
Voice Dialing	-	n/a	n/a	n/a	-
Customization
Custom Graphics	Yes	n/a	n/a	n/a	Yes
Custom Ringtones	Yes	n/a	n/a	n/a	Yes
Real-Music Ringers	-	n/a	n/a	n/a	-
Data & Network
Data Tethering	-	n/a	n/a	n/a	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
Touch Screen	-	Yes Capacitive	Yes Capacitive	Yes Capacitive	-
Memory
Memory Card Slot	-	Yes	Yes	-	Yes
Messaging
Email Client	-	n/a	n/a	n/a	Yes
EMS / Picture Messaging	Yes	n/a	n/a	n/a	Yes
Instant Messaging	-	n/a	n/a	n/a	-
MMS	-	n/a	n/a	n/a	Yes
Text Messaging Templates	Yes	n/a	n/a	n/a	-
Music
FM Radio	-	-	Yes	-	-
Headphone Jack (3.5mm)	-	Yes	Yes	Yes	-
Music Player	-	n/a	n/a	n/a	Yes
Photo & Video
TV Output	-	-	-	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	Yes	n/a	n/a	n/a	Yes
Voice Memo	-	n/a	n/a	n/a	Yes
Software
Games	Yes	n/a	n/a	n/a	Yes
Java (J2ME)	-	n/a	n/a	n/a	Yes
Voice
HD Voice	-	Yes	Yes	-	-
Push-To-Talk	-	-	-	-	Yes
Speaker Phone	-	Yes	Yes	Yes	Yes
	* Some versions only
	Ericsson T66	ZTE Grand X	ZTE Blade Z Max	Apple iPhone 4 (GSM)	Siemens M75
	X >	< X >	< X >	< X >	< X

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


Phone	Ericsson T66	ZTE Grand X	ZTE Blade Z Max	Apple iPhone 4 (GSM)	Siemens M75