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Phone Ericsson T66 Nokia 6108 AT&T Vista Asus ZenFone 4 BlackBerry Pearl 3G 9100 / 9105
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 5.5" diag.
18 : 9
5.5" diag.
16 : 9
2.3" diag.
1 : 1
Display Resolution & Type ? 128 x 128 pixels
LCD (Color)
720 x 1440 pixels
(~293 ppi)
LCD (TFT/TFD)
1080 x 1920 pixels
(~401 ppi)
LCD (TFT/TFD)
360 x 400 pixels
(~238 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 60 Hz ?
Battery ? 850 mAh 2,450 mAh 3,300 mAh 1,150 mAh
Processor ? ? 2 GHz MediaTek Helio A22 (MT6761V) 2.2 GHz Qualcomm Snapdragon 630 ?
RAM ? ? 3 GB 4 GB ?
Storage ? raw hardware ? raw hardware 32 GB 64 GB ? raw hardware
Main Camera - - 8 megapixel 12 megapixel 3 megapixel
Wide Camera - - - Yes -
Tele Camera - - - - -
Video Capture - - 1080p HD 4K UHD ?
Front Camera - - 5 megapixel 8 megapixel -
Weight 2.08 oz
(59g)
3.46 oz
(98g)
5.51 oz
(156g)
5.47 oz
(155g)
3.3 oz
(94g)
Dimensions 3.62" x 1.61" x 0.69"
(92 x 41 x 17.5 mm)
4.17" x 1.83" x 0.9"
(106 x 46 x 22.9 mm)
5.88" x 2.82" x 0.35"
(149 x 72 x 8.9 mm)
6.12" x 2.96" x 0.3"
(155 x 75 x 7.7 mm)
4.25" x 1.96" x 0.52"
(108 x 50 x 13.2 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android Android BlackBerry OS
Network Bands

GSM: 900, 1800, 1900

GSM: 900, 1800, 1900

4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30

WCDMA: 1, 2, 4, 5, 8

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 28

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

*

Data Technology - GPRS LTE (Cat 4) LTE (Cat 12) HSDPA 3.6
Features 
Fingerprint Reader - - - Yes
stand-alone
-
Flashlight - - Yes Yes -
GPS / Location - - n/a n/a n/a
Accessibility
Adjustable Text Size - - n/a n/a n/a
Hearing Aid Compatible - - Yes Yes Yes
Multiple Languages Yes Yes n/a n/a n/a
Alerts
Ringer Profiles Yes Yes - - Yes
Connectivity
Bluetooth - - Yes Yes Yes
Infrared (IR) - Yes - - -
NFC - - - Yes -
USB - - Yes
USB Type C
Yes
USB Type C
Yes
Micro-USB
Wi-Fi - - Yes Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
Contacts
Picture ID - Yes n/a n/a n/a
Ringer ID - Yes n/a n/a n/a
Voice Dialing - - n/a n/a n/a
Customization
Custom Graphics Yes Yes n/a n/a n/a
Custom Ringtones Yes Yes n/a n/a n/a
Real-Music Ringers - - n/a n/a n/a
Data & Network
Data Tethering - - n/a n/a n/a
Dual-SIM - - - Yes -
WAP / Web Browser Yes Yes n/a n/a n/a
Input
Predictive Text Entry Yes Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Stylus - Yes - - -
Text Keyboard, Hardware - - - - Yes *
Touch Screen - - Yes Yes -
Memory
Memory Card Slot - - Yes Yes Yes
Messaging
Email Client - Yes n/a n/a n/a
EMS / Picture Messaging Yes - n/a n/a n/a
Instant Messaging - - n/a n/a n/a
MMS - Yes n/a n/a n/a
Text Messaging Templates Yes - n/a n/a n/a
Music
Headphone Jack (3.5mm) - - Yes Yes Yes
Music Player - - n/a n/a n/a
Photo & Video
Miracast - - - Yes -
Power
Fast Charging - - - Yes -
Productivity
Alarm Yes Yes n/a n/a n/a
Calculator Yes Yes n/a n/a n/a
Calendar Yes Yes n/a n/a n/a
To-Do List Yes Yes n/a n/a n/a
Voice Memo - - n/a n/a n/a
Software
Games Yes Yes n/a n/a n/a
Java (J2ME) - Yes n/a n/a n/a
Voice
HD Voice - - Yes - -
Speaker Phone - Yes Yes Yes Yes
  * Some versions only
  Ericsson T66 Nokia 6108 AT&T Vista Asus ZenFone 4 BlackBerry Pearl 3G 9100 / 9105
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Ericsson T66 Nokia 6108 AT&T Vista Asus ZenFone 4 BlackBerry Pearl 3G 9100 / 9105

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