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Phone BlackBerry 7750 Samsung SCH-R211 Samsung SGH-A657 Palm Treo 600 (CDMA) ZTE Blade Z Max
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 1.5" diag.
1 : 1
? ? 6" diag.
16 : 9
Display Resolution & Type 240 x 240 pixels
LCD (Color)
128 x 128 pixels
(~121 ppi)
LCD (STN)
176 x 220 pixels
LCD (TFT/TFD)
160 x 160 pixels
LCD (Color)
1080 x 1920 pixels
(~367 ppi)
LCD (TFT/TFD)
Display Refresh ? ? ? ? 60 Hz
Battery ? 800 mAh 1,420 mAh ? 4,080 mAh
Processor ? ? ? ? 1.4 GHz Qualcomm Snapdragon 435 (MSM8940)
RAM ? ? ? ? 2 GB
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware 32 GB
Main Camera - - - Yes 16 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - - - 1080p HD
Front Camera - - - - 8 megapixel
Weight 5.01 oz
(142g)
2.73 oz
(77g)
4.34 oz
(123g)
6.2 oz
(176g)
6.58 oz
(186g)
Dimensions 4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
4.07" x 1.77" x 0.59"
(103 x 45 x 15 mm)
4.53" x 2.05" x 0.77"
(115 x 52 x 19.6 mm)
4.41" x 2.36" x 0.87"
(112 x 60 x 22.1 mm)
6.51" x 3.28" x 0.33"
(165 x 83 x 8.3 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS BlackBerry OS (proprietary) (proprietary) Palm OS Android
Network Bands

CDMA: 850, 1900

CDMA: 850, 1700, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 2, 4, 5, 12, 66

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology 1xRTT 1xRTT HSDPA 3.6 1xRTT LTE (Cat 6)
Features 
Fingerprint Reader - - - - Yes
stand-alone
Flashlight - - Yes - Yes
GPS / Location n/a Yes Yes n/a n/a
Ruggedized - - Yes - -
Accessibility
Hearing Aid Compatible - Yes
M3 (mostly compatible)
- - Yes
M4, T3 (mostly tele-coil compatible)
Multiple Languages n/a Yes Yes n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Ringer Profiles Yes - - - -
Connectivity
Bluetooth - - Yes - Yes
Infrared (IR) - - - Yes -
USB Yes - Yes Yes Yes
USB Type C
Wi-Fi - - - - Yes
4 (802.11 b,g,n)
Contacts
Picture ID n/a Yes Yes n/a n/a
Ringer ID n/a Yes Yes n/a n/a
Customization
Custom Graphics n/a Yes Yes n/a n/a
Custom Ringtones n/a Yes Yes n/a n/a
Real-Music Ringers n/a - Yes n/a n/a
Data & Network
Data Tethering n/a - Yes n/a n/a
WAP / Web Browser n/a Yes Yes n/a n/a
Input
Predictive Text Entry n/a Yes Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware Yes - - Yes -
Touch Screen - - - Yes Yes
Capacitive
Memory
Memory Card Slot - - Yes Yes Yes
Messaging
Email Client n/a - Yes n/a n/a
Instant Messaging n/a - Yes n/a n/a
MMS n/a - Yes n/a n/a
Text Messaging Templates n/a Yes Yes n/a n/a
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - - - - Yes
Music Player n/a - Yes n/a n/a
Power
Fast Charging - - - - Yes
Productivity
Alarm n/a Yes Yes n/a n/a
Calculator n/a Yes Yes n/a n/a
Calendar n/a Yes Yes n/a n/a
To-Do List n/a - Yes n/a n/a
Voice Memo n/a - Yes n/a n/a
Software
BREW n/a Yes - n/a n/a
Games n/a Yes Yes n/a n/a
Java (J2ME) n/a - Yes n/a n/a
Voice
HD Voice - - - - Yes
Headset Jack (2.5 mm) n/a Yes - n/a n/a
Push-To-Talk - - Yes - -
Speaker Phone - Yes Yes Yes Yes
  BlackBerry 7750 Samsung SCH-R211 Samsung SGH-A657 Palm Treo 600 (CDMA) ZTE Blade Z Max
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone BlackBerry 7750 Samsung SCH-R211 Samsung SGH-A657 Palm Treo 600 (CDMA) ZTE Blade Z Max

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