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Phone Alcatel 871a Microsoft Surface Duo 2 BlackBerry Curve 9310 Motorola A840
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 2" diag.
4 : 3
8.3" diag.
4 : 3
2.4" diag.
4 : 3
?
Display Resolution & Type 220 x 176 pixels
(~141 ppi)
LCD (TFT/TFD)
2688 x 1892 pixels
(~396 ppi)
AMOLED
320 x 240 pixels
(~164 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh ? 90 Hz ? ?
Battery 850 mAh 4,449 mAh 1,450 mAh ?
Processor ? Qualcomm Snapdragon 888 800 MHz Qualcomm Snapdragon S2 MSM8655-1 ?
RAM ? 8 GB 512 MB ?
Storage 512 MB 128 GB * 512 MB ? raw hardware
Main Camera 2 megapixel 12 megapixel 3 megapixel 1 megapixel
Wide Camera - 16 megapixel - -
Tele Camera - 12 megapixel - -
Video Capture ? 4K UHD VGA (640 x 480) -
Front Camera - 12 megapixel - -
Weight 3.14 oz
(89g)
10.02 oz
(284g)
3.67 oz
(104g)
4.06 oz
(115g)
Dimensions 4.19" x 2.28" x 0.5"
(106 x 58 x 12.7 mm)
5.72" x 3.63" x 0.43"
(145 x 92 x 11 mm)
4.29" x 2.36" x 0.5"
(109 x 60 x 12.7 mm)
3.7" x 1.93" x 0.92"
(94 x 49 x 23.4 mm)
Form Factor Slab Unique Slab Clamshell
Platform / OS (proprietary) Android BlackBerry OS (proprietary)
Network Bands

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

*

5G: 1, 2, 3, 5, 7, 20, 25, 28, 38, 41, 66, 71, 77-C, 78, 257, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

GSM: 900, 1800

Data Technology WCDMA (UMTS) NR (5G) EVDO r0 1xRTT
Features 
Fingerprint Reader - Yes
stand-alone
- -
Flashlight Yes Yes - -
GPS / Location Yes n/a n/a Yes
Accessibility
Adjustable Text Size - n/a n/a -
Hearing Aid Compatible Yes Yes Yes -
Multiple Languages Yes n/a n/a Yes
TTY/TDD (Digital) Yes - Yes Yes
Alerts
Extra Display - - - Yes
Ringer Profiles Yes - Yes -
Connectivity
Bluetooth Yes Yes Yes
Classic Audio
-
Mobile Hotspot - n/a n/a -
NFC - Yes - -
USB Yes
Micro-USB
Yes
USB Type C
Yes
Micro-USB
Yes
Wi-Fi - Yes
6 (802.11 a,ac,ax,b,g,n)
Yes
4 (802.11 b,g,n)
-
Contacts
Picture ID Yes n/a n/a Yes
Ringer ID Yes n/a n/a Yes
Voice Dialing - n/a n/a Yes
Customization
Custom Graphics Yes n/a n/a Yes
Custom Ringtones Yes n/a n/a Yes
Real-Music Ringers Yes n/a n/a Yes
Data & Network
Data Tethering - n/a n/a Yes
Dual-SIM - Yes - -
WAP / Web Browser Yes n/a n/a Yes
Input
Predictive Text Entry Yes n/a n/a Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware Yes - Yes -
Touch Screen - Yes - -
Memory
Memory Card Slot Yes - Yes Yes
Messaging
Email Client Yes n/a n/a Yes
EMS / Picture Messaging - n/a n/a Yes
Instant Messaging - n/a n/a -
MMS Yes n/a n/a Yes
Text Messaging Templates - n/a n/a Yes
Music
FM Radio Yes - Yes -
Headphone Jack (3.5mm) Yes - Yes -
Music Player Yes n/a n/a Yes
Stereo Speakers - Yes - -
Photo & Video
Miracast - Yes - -
TV Output - Yes - -
Power
Fast Charging - Yes - -
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 -
Voice Memo Yes n/a n/a -
Software
BREW - n/a n/a Yes
Games Yes n/a n/a Yes
Java (J2ME) - n/a n/a -
Voice
HD Voice - Yes - -
Headset Jack (2.5 mm) - n/a n/a Yes
Speaker Phone Yes Yes Yes Yes
  * Some versions only
  Alcatel 871a Microsoft Surface Duo 2 BlackBerry Curve 9310 Motorola A840
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Alcatel 871a Microsoft Surface Duo 2 BlackBerry Curve 9310 Motorola A840

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