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Phone	HTC Droid Eris	Sanyo SCP-3810 / Mirro	ZTE Blade Z Max	BlackBerry 7750	Samsung Galaxy Attain 4G
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	3.2" diag. 5 : 3	2.4" diag. 4 : 3	6" diag. 16 : 9	?	3.5" diag. 5 : 3
Display Resolution & Type	320 x 480 pixels (~180 ppi) LCD (TFT/TFD)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD)	240 x 240 pixels LCD (Color)	320 x 480 pixels (~165 ppi) LCD (TFT/TFD)
Display Refresh	60 Hz	?	60 Hz	?	60 Hz
Battery	1,300 mAh	1,000 mAh	4,080 mAh	?	1,650 mAh
Processor	528 MHz MSM7600	?	1.4 GHz Qualcomm Snapdragon 435 (MSM8940)	?	?
RAM	?	?	2 GB	?	512 MB
Storage	? raw hardware	? raw hardware	32 GB	? raw hardware	? raw hardware
Main Camera	5 megapixel	1 megapixel	16 megapixel	-	3 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	CIF (352 x 288)	-	1080p HD	-	WVGA / 480p
Front Camera	-	-	8 megapixel	-	1 megapixel
Weight	4.43 oz (126g)	3.97 oz (112g)	6.58 oz (186g)	5.01 oz (142g)	4.2 oz (119g)
Dimensions	4.45" x 2.19" x 0.52" (113 x 55 x 13.2 mm)	3.82" x 2.01" x 0.71" (97 x 51 x 18.1 mm)	6.51" x 3.28" x 0.33" (165 x 83 x 8.3 mm)	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)	4.57" x 2.38" x 0.46" (116 x 60 x 11.7 mm)
Form Factor	Slab	Clamshell	Slab	Slab	Slab
Platform / OS	Android	(proprietary)	Android	BlackBerry OS	Android
Network Bands	CDMA: 850, 1900	CDMA: 850, 1900	4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900	CDMA: 850, 1900	4G LTE: 2, 4 CDMA: 850, 1700, 1900
Data Technology	EVDO rA	1xRTT	LTE (Cat 6)	1xRTT	LTE (Cat 3)
Features
Fingerprint Reader	-	-	Yes stand-alone	-	-
Flashlight	-	-	Yes	-	-
GPS / Location	n/a	Yes	n/a	n/a	n/a
Accessibility
Adjustable Text Size	n/a	Yes	n/a	n/a	n/a
Hearing Aid Compatible	Yes M3, T3 (mostly tele-coil compatible)	Yes M4, T4 (very tele-coil compatible)	Yes M4, T3 (mostly tele-coil compatible)	-	Yes M4, T3 (mostly tele-coil compatible)
Multiple Languages	n/a	Yes	n/a	n/a	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	-	Yes	-	-	-
Ringer Profiles	-	-	-	Yes	-
Connectivity
Bluetooth	Yes	Yes	Yes	-	Yes
USB	Yes Mini-USB	Yes Micro-USB	Yes USB Type C	Yes	Yes Micro-USB
Wi-Fi	Yes 802.11 b,g	-	Yes 4 (802.11 b,g,n)	-	Yes
Contacts
Picture ID	n/a	Yes	n/a	n/a	n/a
Ringer ID	n/a	Yes	n/a	n/a	n/a
Voice Dialing	n/a	Yes	n/a	n/a	n/a
Customization
Custom Graphics	n/a	Yes	n/a	n/a	n/a
Custom Ringtones	n/a	Yes	n/a	n/a	n/a
Real-Music Ringers	n/a	Yes	n/a	n/a	n/a
Data & Network
Data Tethering	n/a	Yes	n/a	n/a	n/a
WAP / Web Browser	n/a	Yes	n/a	n/a	n/a
Input
Predictive Text Entry	n/a	Yes	n/a	n/a	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	-	Yes	-
Touch Screen	Yes Capacitive	-	Yes Capacitive	-	Yes Capacitive
Memory
Memory Card Slot	Yes	-	Yes	-	Yes
Messaging
Email Client	n/a	Yes	n/a	n/a	n/a
Instant Messaging	n/a	Yes	n/a	n/a	n/a
MMS	n/a	-	n/a	n/a	n/a
Text Messaging Templates	n/a	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	n/a
Photo & Video
DLNA	-	-	-	-	Yes
Power
Fast Charging	-	-	Yes	-	-
Productivity
Alarm	n/a	Yes	n/a	n/a	n/a
Calculator	n/a	Yes	n/a	n/a	n/a
Calendar	n/a	Yes	n/a	n/a	n/a
To-Do List	n/a	Yes	n/a	n/a	n/a
Voice Memo	n/a	Yes	n/a	n/a	n/a
Software
Games	n/a	Yes	n/a	n/a	n/a
Java (J2ME)	n/a	Yes	n/a	n/a	n/a
Voice
HD Voice	-	-	Yes	-	-
Headset Jack (2.5 mm)	n/a	Yes	n/a	n/a	n/a
Speaker Phone	Yes	Yes	Yes	-	Yes
	HTC Droid Eris	Sanyo SCP-3810 / Mirro	ZTE Blade Z Max	BlackBerry 7750	Samsung Galaxy Attain 4G
	X >	< X >	< X >	< X >	< X

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


Phone	HTC Droid Eris	Sanyo SCP-3810 / Mirro	ZTE Blade Z Max	BlackBerry 7750	Samsung Galaxy Attain 4G