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Phone Samsung SCH-A310 BlackBerry 7750 Pantech Flex Samsung SGH-A717 Google Pixel 3a XL
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? ? 4.3" diag.
16 : 9
? 6" diag.
18 : 9
Display Resolution & Type 128 x 128 pixels
LCD (Grayscale)
240 x 240 pixels
LCD (Color)
540 x 960 pixels
(~256 ppi)
AMOLED
240 x 320 pixels
LCD (TFT/TFD)
1080 x 2160 pixels
(~402 ppi)
AMOLED
Display Refresh ? ? 60 Hz ? 60 Hz
Battery ? ? 1,830 mAh ? 3,700 mAh
Processor ? ? 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 ? 2 GHz Qualcomm Snapdragon 670
RAM ? ? 1 GB ? 4 GB
Storage ? raw hardware ? raw hardware 8 GB ? raw hardware 64 GB
Main Camera - - 8 megapixel 2 megapixel 12 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - - 1080p HD QCIF (176 x 144) 4K UHD
Front Camera - - 2 megapixel - 8 megapixel
Weight 3.2 oz
(91g)
5.01 oz
(142g)
4.66 oz
(132g)
3.31 oz
(94g)
5.89 oz
(167g)
Dimensions 3.43" x 1.89" x 0.87"
(87 x 48 x 22.1 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
5.11" x 2.63" x 0.31"
(130 x 67 x 7.9 mm)
4.07" x 2.15" x 0.55"
(103 x 55 x 14 mm)
6.3" x 3" x 0.3"
(160 x 76 x 7.6 mm)
Form Factor Clamshell Slab Slab Clamshell Slab
Platform / OS (proprietary) BlackBerry OS Android (proprietary) Android
Network Bands

CDMA: 850, 1900

AMPS: 850

CDMA: 850, 1900

4G LTE: 2, 4, 5, 17

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 25, 26, 28, 29, 30, 38, 40, 41, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology 1xRTT 1xRTT LTE (Cat 3) HSDPA 1.8 LTE (Cat 11)
Features 
Barometer - - - - Yes
Fingerprint Reader - - - - Yes
stand-alone
Flashlight - - - - Yes
GPS / Location Yes n/a n/a - n/a
Accessibility
Hearing Aid Compatible - - Yes
M3, T3 (mostly tele-coil compatible)
Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages Yes n/a n/a Yes n/a
TTY/TDD (Digital) - Yes Yes Yes Yes
Alerts
Extra Display Yes - - Yes -
Ringer Profiles - Yes - Yes -
Connectivity
Bluetooth - - Yes Yes Yes
Mobile Hotspot - n/a n/a - n/a
NFC - - - - Yes
USB Yes Yes Yes
Micro-USB
Yes Yes
USB Type C
Wi-Fi - - Yes - Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID - n/a n/a Yes n/a
Ringer ID - n/a n/a Yes n/a
Voice Dialing Yes n/a n/a - n/a
Customization
Changeable Body Plates Yes - - - -
Custom Graphics - n/a n/a Yes n/a
Custom Ringtones - n/a n/a Yes n/a
Real-Music Ringers - n/a n/a Yes n/a
Data & Network
Data Tethering Yes n/a n/a Yes n/a
WAP / Web Browser Yes n/a n/a Yes n/a
Input
Predictive Text Entry Yes n/a n/a Yes n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes - - -
Touch Screen - - Yes
Capacitive
- Yes
Capacitive
Memory
Memory Card Slot - - Yes Yes -
Messaging
Email Client - n/a n/a Yes n/a
Instant Messaging - n/a n/a Yes n/a
MMS - n/a n/a Yes n/a
Text Messaging Templates - n/a n/a Yes n/a
Music
Headphone Jack (3.5mm) - - Yes - Yes
Music Player - n/a n/a Yes n/a
Stereo Speakers - - - - Yes
Photo & Video
DLNA - - Yes - -
Power
Fast Charging - - - - Yes
Productivity
Alarm - n/a n/a Yes n/a
Calculator - n/a n/a Yes n/a
Calendar Yes n/a n/a Yes n/a
To-Do List - n/a n/a Yes n/a
Voice Memo Yes n/a n/a Yes n/a
Software
Games Yes n/a n/a Yes n/a
Java (J2ME) - n/a n/a Yes n/a
Voice
Call Screening - - - - Yes
HD Voice - - - - Yes
Headset Jack (2.5 mm) Yes n/a n/a - n/a
Speaker Phone - - Yes Yes Yes
  Samsung SCH-A310 BlackBerry 7750 Pantech Flex Samsung SGH-A717 Google Pixel 3a XL
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SCH-A310 BlackBerry 7750 Pantech Flex Samsung SGH-A717 Google Pixel 3a XL

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