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Phone Nokia 1661 Nokia 6650 fold Samsung Transform Ultra Siemens CF75
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Not yet released
Specifications 
Display Size 1.8" diag.
4 : 3
2.2" diag.
4 : 3
3.5" diag.
5 : 3
?
Display Resolution & Type 128 x 160 pixels
(~114 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
128 x 160 pixels
LCD (STN)
Display Refresh ? ? 60 Hz ?
Battery 860 mAh 1,500 mAh 1,500 mAh 600 mAh
Processor ? 369 MHz ARM 11 1 GHz Qualcomm Snapdragon S2 MSM8655 ?
RAM ? ? ? ?
Storage ? raw hardware ? raw hardware ? raw hardware ? raw hardware
Main Camera - 2 megapixel 3 megapixel Yes
Wide Camera - - - -
Tele Camera - - - -
Video Capture - QVGA (320 x 240) VGA (640 x 480) -
Front Camera - - Yes -
Weight 2.9 oz
(82g)
3.95 oz
(112g)
4.9 oz
(139g)
3.17 oz
(90g)
Dimensions 4.25" x 1.8" x 0.53"
(108 x 46 x 13.5 mm)
3.93" x 1.86" x 0.64"
(100 x 47 x 16.2 mm)
4.5" x 2.4" x 0.55"
(114 x 61 x 14 mm)
3.43" x 1.73" x 1.26"
(87 x 44 x 32 mm)
Form Factor Slab Clamshell Slide Clamshell
Platform / OS (proprietary) S60 (Symbian) Android (proprietary)
Network Bands

GSM: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

*

CDMA: 800, 850, 1900

GSM: 900, 1800, 1900

Data Technology - HSDPA 3.6 EVDO rA EDGE
Features 
Flashlight Yes - - -
GPS / Location - n/a n/a -
Accessibility
Hearing Aid Compatible - Yes Yes -
Multiple Languages - n/a n/a Yes
TTY/TDD (Digital) - - Yes -
Alerts
Extra Display - Yes - Yes
Ringer Profiles Yes Yes - -
Connectivity
Bluetooth - Yes Yes -
Infrared (IR) - - - Yes
Mobile Hotspot - n/a n/a -
USB - Yes
Micro-USB
Yes Yes
Wi-Fi - - Yes
4 (802.11 a,b,g,n)
-
Contacts
Picture ID - n/a n/a -
Ringer ID - n/a n/a -
Voice Dialing - n/a n/a -
Customization
Custom Graphics - n/a n/a Yes
Custom Ringtones - n/a n/a Yes
Real-Music Ringers - n/a n/a -
Data & Network
Data Tethering - n/a n/a Yes
WAP / Web Browser - n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a Yes
Side Keys - Yes Yes Yes
Text Keyboard, Hardware - - Yes -
Touch Screen - - Yes -
Memory
Memory Card Slot - Yes Yes -
Messaging
Email Client - n/a n/a Yes
EMS / Picture Messaging - n/a n/a Yes
Instant Messaging - n/a n/a -
MMS - n/a n/a Yes
Text Messaging Templates - n/a n/a Yes
Music
FM Radio Yes - - -
Headphone Jack (3.5mm) - - Yes -
Music Player - n/a n/a -
Productivity
Alarm Yes n/a n/a Yes
Calculator Yes n/a n/a Yes
Calendar Yes n/a n/a Yes
To-Do List - n/a n/a Yes
Voice Memo Yes n/a n/a Yes
Software
Games Yes n/a n/a Yes
Java (J2ME) - n/a n/a Yes
Voice
Headset Jack (2.5 mm) Yes n/a n/a -
Push-To-Talk - - - Yes
Speaker Phone Yes Yes Yes Yes
  Nokia 1661 Nokia 6650 fold Samsung Transform Ultra Siemens CF75
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Phone Nokia 1661 Nokia 6650 fold Samsung Transform Ultra Siemens CF75

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