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Phone BlackBerry 7750 BlackBerry Pearl 3G 9100 / 9105 Nokia E7-00 Nokia Lumia 521 / 520 ZTE ZMAX 2
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2.3" diag.
1 : 1
4" diag.
16 : 9
4" diag.
5 : 3
5.5" diag.
16 : 9
Display Resolution & Type 240 x 240 pixels
LCD (Color)
360 x 400 pixels
(~238 ppi)
LCD (TFT/TFD)
360 x 640 pixels
(~184 ppi)
AMOLED
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~267 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ? 60 Hz
Battery ? 1,150 mAh 1,200 mAh 1,430 mAh 3,000 mAh
Processor ? ? 680 MHz ARM 11 1 GHz Qualcomm Snapdragon S4 MSM8270 1.2 GHz Qualcomm Snapdragon 400 (MSM8916)
RAM ? ? ? 512 MB 2 GB
Storage ? raw hardware ? raw hardware 16 GB 8 GB 16 GB
Main Camera - 3 megapixel 8 megapixel 5 megapixel 8 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - ? 720p HD 720p HD 720p HD
Front Camera - - Yes - 2 megapixel
Weight 5.01 oz
(142g)
3.3 oz
(94g)
6.21 oz
(176g)
4.39 oz
(124g)
5.99 oz
(170g)
Dimensions 4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
4.25" x 1.96" x 0.52"
(108 x 50 x 13.2 mm)
4.87" x 2.46" x 0.54"
(124 x 62 x 13.6 mm)
4.72" x 2.52" x 0.39"
(120 x 64 x 9.9 mm)
6.06" x 2.99" x 0.37"
(154 x 76 x 9.4 mm)
Platform / OS BlackBerry OS BlackBerry OS Symbian^3 Windows Android
Network Bands

CDMA: 850, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 4, 5, 12

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

Data Technology 1xRTT HSDPA 3.6 HSPA 10.1 HSPA+ 21 LTE (Cat 4)
Features 
Accessibility
Hearing Aid Compatible - Yes
M3 (mostly compatible)
- Yes
M3, T4 (very tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
TTY/TDD (Digital) Yes - - Yes Yes
Alerts
Ringer Profiles Yes Yes Yes - -
Connectivity
Bluetooth - Yes Yes Yes Yes
USB Yes Yes
Micro-USB
Yes
Micro-USB
Yes Yes
Micro-USB
Wi-Fi - Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
Yes Yes
4 (802.11 b,g,n)
Input
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes Yes * Yes - -
Touch Screen - - Yes
Capacitive
Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot - Yes - Yes Yes
Music
FM Radio - - Yes - -
Headphone Jack (3.5mm) - Yes Yes Yes Yes
Photo & Video
TV Output - - Yes - -
Voice
Speaker Phone - Yes Yes Yes Yes
  * Some versions only
  BlackBerry 7750 BlackBerry Pearl 3G 9100 / 9105 Nokia E7-00 Nokia Lumia 521 / 520 ZTE ZMAX 2
  X > < X > < X > < X > < X

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

 
Phone BlackBerry 7750 BlackBerry Pearl 3G 9100 / 9105 Nokia E7-00 Nokia Lumia 521 / 520 ZTE ZMAX 2

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