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Phone Sony Ericsson K850 Nokia 6310i T-Mobile REVVL 6 Pro 5G / REVVL 6x Pro 5G BlackBerry Curve 8300 Samsung Galaxy J7 (2017, GSM) / J7 Prime / Halo
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 2.2" diag.
4 : 3
? 6.8" diag.
20.5 : 9
? 5.5" diag.
16 : 9
Display Resolution & Type 240 x 320 pixels
(~182 ppi)
LCD (TFT/TFD)
96 x 65 pixels 720 x 1640 pixels
(~263 ppi)
LCD (TFT/TFD)
320 x 240 pixels
LCD (TFT/TFD)
720 x 1280 pixels
(~267 ppi)
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz ? 60 Hz
Battery ? ? 5,000 mAh ? 3,300 mAh
Processor ? ? MediaTek Dimensity 700 (MT6833) ? 1.6 GHz Samsung Exynos 7870
RAM ? ? 6 GB ? 2 GB
Storage ? raw hardware ? raw hardware 128 GB * ? raw hardware 16 GB *
Main Camera 5 megapixel - 50 megapixel 2 megapixel 8 megapixel
Wide Camera - - 5 megapixel - -
Tele Camera - - - - -
Video Capture ? - 2K / Quad HD - 1080p HD
Front Camera - - 16 megapixel - Yes
Weight 4.2 oz
(119g)
3.92 oz
(111g)
7.47 oz
(212g)
3.92 oz
(111g)
5.8 oz
(164g)
Dimensions 4" x 1.9" x 0.7"
(102 x 48 x 17.8 mm)
5.08" x 1.85" x 0.75"
(129 x 47 x 19.1 mm)
6.84" x 3.05" x 0.35"
(174 x 77 x 8.9 mm)
4.2" x 2.36" x 0.61"
(107 x 60 x 15.5 mm)
5.96" x 3.01" x 0.34"
(151 x 76 x 8.6 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS (proprietary) (proprietary) Android BlackBerry OS Android
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

GSM: 900, 1800, 1900

5G: 25, 41, 66, 71, 77-C

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 2, 3, 4, 5, 7, 12

WCDMA: 2, 4, 5

GSM: 850, 900, 1800, 1900

*

Data Technology HSDPA 3.6 GPRS NR (5G) EDGE LTE (Cat 6)
Features 
Barometer - - Yes - -
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight - - Yes - Yes
GPS / Location - Yes n/a n/a n/a
Accessibility
Adjustable Text Size - - n/a n/a n/a
Hearing Aid Compatible - - Yes
M3, T3 (mostly tele-coil compatible)
- Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages Yes Yes n/a n/a n/a
TTY/TDD (Digital) Yes - Yes Yes Yes
Alerts
Ringer Profiles Yes Yes - Yes -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Infrared (IR) - Yes - - -
NFC - - Yes - -
USB Yes - Yes
USB Type C
Yes Yes
Micro-USB
Wi-Fi - - Yes
5 (802.11 a,ac,b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes Yes n/a n/a n/a
Ringer ID Yes Yes n/a n/a n/a
Voice Dialing Yes Yes n/a n/a n/a
Customization
Custom Graphics Yes - n/a n/a n/a
Custom Ringtones Yes Yes n/a n/a n/a
Real-Music Ringers Yes - n/a n/a n/a
Data & Network
Data Tethering Yes Yes n/a n/a n/a
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
Text Keyboard, Hardware - - - Yes -
Touch Screen - - Yes
Capacitive
- Yes
Capacitive
Memory
Memory Card Slot Yes - 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 Yes n/a n/a n/a
Music
FM Radio Yes - - - Yes
Headphone Jack (3.5mm) - - Yes Yes Yes
Music Player Yes - n/a n/a n/a
Photo & Video
Video Calling Yes * - n/a n/a n/a
Power
Fast Charging - - Yes - -
Wireless 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 Yes Yes n/a n/a n/a
Software
Games Yes Yes n/a n/a n/a
Java (J2ME) Yes Yes n/a n/a n/a
Voice
HD Voice - - Yes - Yes
Push-To-Talk - - - Yes * -
Speaker Phone Yes - Yes Yes Yes
  * Some versions only
  Sony Ericsson K850 Nokia 6310i T-Mobile REVVL 6 Pro 5G / REVVL 6x Pro 5G BlackBerry Curve 8300 Samsung Galaxy J7 (2017, GSM) / J7 Prime / Halo
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Sony Ericsson K850 Nokia 6310i T-Mobile REVVL 6 Pro 5G / REVVL 6x Pro 5G BlackBerry Curve 8300 Samsung Galaxy J7 (2017, GSM) / J7 Prime / Halo

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