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Phone	Nokia 6255i / 6256i	ZTE Speed	BlackBerry 7750	ZTE Agent	Samsung Ace SPH-i325
Current U.S. Carriers	(none)	(none)	(none)	(none)	(none)
Global Availability	Released	Released	Released	Released	Released
Display Size	?	4.5" diag. 16 : 9	?	2.4" diag. 4 : 3	2.3" diag. 4 : 3
Display Resolution & Type	128 x 160 pixels LCD (TFT/TFD)	540 x 960 pixels (~245 ppi) LCD (TFT/TFD)	240 x 240 pixels LCD (Color)	240 x 320 pixels (~167 ppi) LCD (TFT/TFD)	320 x 240 pixels (~174 ppi) LCD (TFT/TFD)
Display Refresh	?	60 Hz	?	?	?
Battery	1,070 mAh	2,000 mAh	?	900 mAh	1,300 mAh
Processor	?	1.2 GHz Qualcomm Snapdragon 410 MSM8916	?	?	416 MHz PXA270
RAM	?	1 GB	?	?	?
Storage	? raw hardware	8 GB	? raw hardware	? raw hardware	? raw hardware
Main Camera	Yes	5 megapixel	-	1 megapixel	1 megapixel
Wide Camera	-	-	-	-	-
Tele Camera	-	-	-	-	-
Video Capture	?	720p HD	-	?	QVGA (320 x 240)
Front Camera	-	2 megapixel	-	-	-
Weight	4.23 oz (120g)	4.8 oz (136g)	5.01 oz (142g)	3.53 oz (100g)	3.9 oz (111g)
Dimensions	3.36" x 1.87" x 0.97" (85 x 47 x 24.6 mm)	5.3" x 2.6" x 0.4" (135 x 66 x 10.2 mm)	4.76" x 3.03" x 0.71" (121 x 77 x 18 mm)	4.3" x 1.9" x 0.6" (109 x 48 x 15.2 mm)	4.65" x 2.32" x 0.46" (118 x 59 x 11.7 mm)
Form Factor	Clamshell	Slab	Slab	Slab	Slab
Platform / OS	(proprietary)	Android	BlackBerry OS	(proprietary)	Windows Mobile Standard
Network Bands	CDMA: 850, 1900 AMPS: 850	4G LTE: 25, 26, 41 CDMA: 800, 850, 1900	CDMA: 850, 1900	CDMA: 850, 1700, 1900	CDMA: 850, 1900 GSM: 900, 1800
Data Technology	1xRTT	LTE (Cat 3)	1xRTT	1xRTT	EVDO r0
Features
GPS / Location	Yes	n/a	n/a	Yes	n/a
Accessibility
Adjustable Text Size	-	n/a	n/a	-	n/a
Hearing Aid Compatible	Yes M4 (very compatible)	Yes M3, T4 (very tele-coil compatible)	-	Yes M4, T4 (very tele-coil compatible)	Yes M3, T3 (mostly tele-coil compatible)
Multiple Languages	Yes	n/a	n/a	Yes	n/a
TTY/TDD (Digital)	Yes	Yes	Yes	Yes	Yes
Alerts
Extra Display	Yes	-	-	-	-
Ringer Profiles	Yes	-	Yes	-	Yes
Connectivity
Bluetooth	Yes	Yes	-	Yes	Yes
Infrared (IR)	Yes	-	-	-	-
Mobile Hotspot	-	n/a	n/a	-	n/a
USB	Yes	Yes Micro-USB	Yes	Yes Micro-USB	Yes
Wi-Fi	-	Yes 4 (802.11 b,g,n)	-	-	-
Contacts
Picture ID	Yes	n/a	n/a	-	n/a
Ringer ID	Yes	n/a	n/a	Yes	n/a
Voice Dialing	Yes	n/a	n/a	-	n/a
Customization
Custom Graphics	Yes	n/a	n/a	Yes	n/a
Custom Ringtones	Yes	n/a	n/a	Yes	n/a
Real-Music Ringers	Yes	n/a	n/a	Yes	n/a
Data & Network
Data Tethering	Yes	n/a	n/a	-	n/a
WAP / Web Browser	Yes	n/a	n/a	Yes	n/a
Input
Predictive Text Entry	Yes	n/a	n/a	Yes	n/a
Side Keys	Yes	Yes	Yes	Yes	Yes
Text Keyboard, Hardware	-	-	Yes	-	Yes
Touch Screen	-	Yes Capacitive	-	-	-
Memory
Memory Card Slot	Yes	Yes	-	Yes	Yes
Messaging
Email Client	Yes	n/a	n/a	Yes	n/a
EMS / Picture Messaging	Yes *	n/a	n/a	-	n/a
Instant Messaging	-	n/a	n/a	Yes	n/a
MMS	Yes	n/a	n/a	Yes	n/a
Text Messaging Templates	Yes	n/a	n/a	Yes	n/a
Music
FM Radio	Yes	-	-	-	-
Headphone Jack (3.5mm)	-	Yes	-	Yes	-
Music Player	Yes *	n/a	n/a	Yes	n/a
Productivity
Alarm	Yes	n/a	n/a	Yes	n/a
Calculator	Yes	n/a	n/a	Yes	n/a
Calendar	Yes	n/a	n/a	Yes	n/a
To-Do List	Yes	n/a	n/a	-	n/a
Voice Memo	Yes	n/a	n/a	Yes	n/a
Software
BREW	Yes *	n/a	n/a	Yes	n/a
Games	Yes	n/a	n/a	Yes	n/a
Java (J2ME)	Yes *	n/a	n/a	-	n/a
Voice
HD Voice	-	Yes	-	-	-
Headset Jack (2.5 mm)	Yes	n/a	n/a	-	n/a
Speaker Phone	Yes	Yes	-	Yes	Yes
	* Some versions only
	Nokia 6255i / 6256i	ZTE Speed	BlackBerry 7750	ZTE Agent	Samsung Ace SPH-i325
	X >	< X >	< X >	< X >	< X

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


Phone	Nokia 6255i / 6256i	ZTE Speed	BlackBerry 7750	ZTE Agent	Samsung Ace SPH-i325