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Phone BlackBerry Curve 3G 9330 Ericsson R520 Sony Ericsson T68i Alcatel Pop Astro ZTE Z221
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.5" diag.
4 : 3
? ? 4.5" diag.
16 : 9
2" diag.
4 : 3
Display Resolution & Type 320 x 240 pixels
(~160 ppi)
LCD (TFT/TFD)
? 101 x 80 pixels
LCD (STN)
540 x 960 pixels
(~245 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? 60 Hz ?
Battery 1,150 mAh ? 700 mAh 2,000 mAh 900 mAh
Processor ? ? ? 1.5 GHz MediaTek MTK6732 ?
RAM ? ? ? 1 GB ?
Storage ? raw hardware ? raw hardware ? raw hardware 4 GB 142 MB
Main Camera 2 megapixel - - 5 megapixel Yes
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture ? - - 1080p HD QCIF (176 x 144)
Front Camera - - - Yes -
Weight 3.7 oz
(105g)
4.23 oz
(120g)
2.96 oz
(84g)
5.11 oz
(145g)
3.24 oz
(92g)
Dimensions 4.29" x 2.36" x 0.55"
(109 x 60 x 14 mm)
5.12" x 1.97" x 0.63"
(130 x 50 x 16 mm)
3.94" x 1.89" x 0.79"
(100 x 48 x 20.1 mm)
5.23" x 2.57" x 0.39"
(133 x 65 x 9.9 mm)
3.76" x 1.92" x 0.73"
(96 x 49 x 18.5 mm)
Form Factor Slab Slab Slab Slab Clamshell
Platform / OS BlackBerry OS (proprietary) (proprietary) Android (proprietary)
Network Bands

CDMA: 850, 1900

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

4G LTE: 2, 4, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

Data Technology EVDO r0 GPRS GPRS LTE (Cat 4) HSDPA 3.6
Features 
Flashlight - - - Yes -
GPS / Location n/a - - n/a Yes
Accessibility
Adjustable Text Size n/a - - n/a -
Hearing Aid Compatible Yes - - Yes Yes
Multiple Languages n/a Yes Yes n/a Yes
TTY/TDD (Digital) Yes - - Yes Yes
Alerts
Extra Display - - - - Yes
Ringer Profiles Yes Yes Yes - Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
HSP, Sync, OPP, DUN
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - Yes Yes - -
Mobile Hotspot n/a - - n/a -
USB Yes
Micro-USB
- - Yes
Micro-USB
Yes
Wi-Fi Yes
802.11 b,g
- - Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID n/a - Yes n/a -
Ringer ID n/a - Yes n/a -
Voice Dialing n/a Yes Yes n/a -
Customization
Custom Graphics n/a - Yes n/a Yes
Custom Ringtones n/a Yes Yes n/a Yes
Real-Music Ringers n/a - - n/a Yes
Data & Network
Data Tethering n/a Yes Yes n/a -
WAP / Web Browser n/a Yes Yes n/a Yes
Input
Predictive Text Entry n/a Yes Yes n/a Yes
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - - -
Touch Screen - - - Yes -
Memory
Memory Card Slot Yes - - Yes -
Messaging
Email Client n/a - Yes n/a Yes
EMS / Picture Messaging n/a - Yes n/a -
Instant Messaging n/a - - n/a Yes
MMS n/a - Yes n/a Yes
Text Messaging Templates n/a Yes Yes n/a Yes
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) Yes - - Yes -
Music Player n/a - - n/a -
Productivity
Alarm n/a Yes Yes n/a Yes
Calculator n/a Yes Yes n/a Yes
Calendar n/a Yes Yes n/a Yes
To-Do List n/a - Yes n/a -
Voice Memo n/a Yes Yes n/a Yes
Software
Games n/a Yes Yes n/a Yes
Java (J2ME) n/a - - n/a Yes
Voice
HD Voice - - - Yes -
Speaker Phone Yes Yes - Yes Yes
  BlackBerry Curve 3G 9330 Ericsson R520 Sony Ericsson T68i Alcatel Pop Astro ZTE Z221
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone BlackBerry Curve 3G 9330 Ericsson R520 Sony Ericsson T68i Alcatel Pop Astro ZTE Z221

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