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Phone AT&T Maestro 3 Ericsson T28 World Nokia 3250 Nokia 6230 Alcatel Pop Astro
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 6.5" diag.
20 : 9
? ? ? 4.5" diag.
16 : 9
Display Resolution & Type 720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
? 176 x 208 pixels
LCD (TFT/TFD)
128 x 128 pixels
LCD (TFT/TFD)
540 x 960 pixels
(~245 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? ? 60 Hz
Battery 3,900 mAh 500 mAh 1,100 mAh 850 mAh 2,000 mAh
Processor 2 GHz MediaTek Helio A22 (MT6761) ? ? ? 1.5 GHz MediaTek MTK6732
RAM 3 GB ? ? ? 1 GB
Storage 32 GB ? raw hardware ? raw hardware ? raw hardware 4 GB
Main Camera 13 megapixel - 2 megapixel Yes 5 megapixel
Wide Camera 5 megapixel - - - -
Tele Camera - - - - -
Video Capture 1080p HD - QCIF (176 x 144) ? 1080p HD
Front Camera 5 megapixel - - - Yes
Weight 6.24 oz
(177g)
3.14 oz
(89g)
4.06 oz
(115g)
3.39 oz
(96g)
5.11 oz
(145g)
Dimensions 6.58" x 3.03" x 0.33"
(167 x 77 x 8.4 mm)
3.9" x 2" x 0.6"
(99 x 51 x 15.2 mm)
4.06" x 1.97" x 0.75"
(103 x 50 x 19.1 mm)
4.06" x 1.73" x 0.79"
(103 x 44 x 20.1 mm)
5.23" x 2.57" x 0.39"
(133 x 65 x 9.9 mm)
Form Factor Slab Flip Slab Slab Slab
Platform / OS Android (proprietary) S60 (Symbian) (proprietary) Android
Network Bands

4G LTE: 2, 4, 5, 12, 14, 30

GSM: 900, 1900

GSM: 900, 1800, 1900

GSM: 850, 1800, 1900

*

4G LTE: 2, 4, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 4) - EDGE EDGE LTE (Cat 4)
Features 
Barometer Yes - - - -
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
Multiple Languages n/a - n/a Yes n/a
TTY/TDD (Digital) - - - - Yes
Alerts
Ringer Profiles - Yes Yes Yes -
Connectivity
Bluetooth Yes
Classic Audio
- Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - - Yes -
Mobile Hotspot n/a - n/a - n/a
USB Yes
USB Type C
- Yes Yes Yes
Micro-USB
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
- - - Yes
4 (802.11 b,g,n)
Contacts
Picture ID n/a - n/a Yes n/a
Ringer ID n/a - n/a - n/a
Voice Dialing n/a Yes n/a Yes n/a
Customization
Changeable Body Plates - - - Yes -
Custom Graphics n/a - n/a Yes n/a
Custom Ringtones n/a Yes n/a Yes n/a
Real-Music Ringers n/a - n/a - n/a
Data & Network
Data Tethering n/a Yes n/a Yes n/a
WAP / Web Browser n/a - n/a Yes n/a
Input
Predictive Text Entry n/a - n/a Yes n/a
Side Keys Yes Yes - Yes Yes
Touch Screen Yes - - - Yes
Memory
Memory Card Slot Yes - Yes Yes Yes
Messaging
Email Client n/a - n/a Yes n/a
EMS / Picture Messaging n/a - n/a Yes n/a
Instant Messaging n/a - n/a - n/a
MMS n/a - n/a Yes n/a
Text Messaging Templates n/a - n/a Yes n/a
Music
FM Radio - - Yes Yes Yes
Headphone Jack (3.5mm) Yes - - - Yes
Music Player n/a - n/a Yes n/a
Productivity
Alarm n/a Yes n/a Yes n/a
Calculator n/a Yes n/a Yes n/a
Calendar n/a - n/a Yes n/a
To-Do List n/a - n/a Yes n/a
Voice Memo n/a - n/a Yes n/a
Software
Games n/a Yes n/a Yes n/a
Java (J2ME) n/a - n/a Yes n/a
Voice
HD Voice Yes - - - Yes
Push-To-Talk - - Yes * - -
Speaker Phone Yes - Yes Yes Yes
  * Some versions only
  AT&T Maestro 3 Ericsson T28 World Nokia 3250 Nokia 6230 Alcatel Pop Astro
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Phone AT&T Maestro 3 Ericsson T28 World Nokia 3250 Nokia 6230 Alcatel Pop Astro

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