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Phone Samsung SCH-A645 BlackBerry KEYone BlackBerry Pearl Flip 8220 Sonim XP Strike LG K40 / Harmony 3
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 4.5" diag.
5 : 3
? 2" diag.
4 : 3
5.7" diag.
18 : 9
Display Resolution & Type 128 x 160 pixels
LCD (STN)
1080 x 1620 pixels
(~433 ppi)
LCD (TFT/TFD)
240 x 320 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
720 x 1440 pixels
(~282 ppi)
LCD (TFT/TFD)
Display Refresh ? 60 Hz ? ? 60 Hz
Battery 1,000 mAh 3,505 mAh ? 1,950 mAh 3,000 mAh
Processor ? 2 GHz Qualcomm Snapdragon 625 (MSM8953) ? ? 1.8 GHz Qualcomm Snapdragon 450
RAM ? 3 GB ? 256 MB 2 GB
Storage ? raw hardware 32 GB ? raw hardware 512 MB 32 GB
Main Camera - 12 megapixel 2 megapixel 2 megapixel 13 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - 4K UHD ? ? 1080p HD
Front Camera - 8 megapixel - - 5 megapixel
Weight 3.2 oz
(91g)
6.35 oz
(180g)
3.6 oz
(102g)
6.52 oz
(185g)
5.11 oz
(145g)
Dimensions 3.54" x 1.79" x 0.94"
(90 x 45 x 23.9 mm)
5.87" x 2.85" x 0.37"
(149 x 72 x 9.4 mm)
3.98" x 1.97" x 0.69"
(101 x 50 x 17.5 mm)
4.95" x 2.3" x 0.98"
(126 x 58 x 24.9 mm)
6.02" x 2.83" x 0.32"
(153 x 72 x 8.1 mm)
Form Factor Clamshell Slab Clamshell Slab Slab
Platform / OS (proprietary) Android BlackBerry OS (proprietary) Android
Network Bands

CDMA: 850, 1900

AMPS: 850

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 29, 30, 41

WCDMA: 1, 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

GSM: 850, 900, 1800, 1900

CDMA: 800, 850, 1900

4G LTE: 2, 4, 5, 12, 13, 14, 25, 26, 29, 30, 41, 66, 71

WCDMA: 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

*

Data Technology 1xRTT LTE (Cat 6) EDGE EVDO rA LTE (Cat 6)
Features 
Fingerprint Reader - Yes
stand-alone
- - Yes
stand-alone
Flashlight - Yes - Yes Yes
GPS / Location Yes n/a n/a Yes n/a
Ruggedized - - - Yes -
Water-Resistant - - - Yes -
Accessibility
Adjustable Text Size - n/a n/a - n/a
Hearing Aid Compatible Yes Yes Yes Yes Yes
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 Yes
NFC - Yes - - Yes *
USB - Yes
USB Type C
Yes
Micro-USB
Yes Yes
Micro-USB
Wi-Fi - Yes
5 (802.11 a,ac,b,g,n)
Yes - Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes 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
Custom Graphics Yes n/a n/a Yes n/a
Custom Ringtones Yes n/a n/a Yes n/a
Real-Music Ringers - n/a n/a Yes n/a
Data & Network
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 Yes - -
Touch Screen - Yes - - Yes
Memory
Memory Card Slot - Yes Yes Yes Yes
Messaging
Email Client - 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 - n/a n/a Yes n/a
Text Messaging Templates Yes n/a n/a - n/a
Music
FM Radio - Yes - Yes Yes
Headphone Jack (3.5mm) - Yes Yes Yes Yes
Music Player - n/a n/a Yes n/a
Photo & Video
DLNA - - - - Yes
Miracast - Yes - - -
Power
Fast Charging - Yes - - -
Productivity
Alarm Yes n/a n/a Yes n/a
Calculator Yes n/a n/a Yes n/a
Calendar Yes n/a n/a Yes n/a
To-Do List Yes n/a n/a Yes n/a
Voice Memo Yes n/a n/a Yes n/a
Software
BREW Yes * n/a n/a - n/a
Games Yes * n/a n/a Yes n/a
Java (J2ME) - n/a n/a Yes n/a
Voice
HD Voice - Yes - - Yes
Headset Jack (2.5 mm) Yes n/a n/a - n/a
Push-To-Talk - - - Yes -
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  Samsung SCH-A645 BlackBerry KEYone BlackBerry Pearl Flip 8220 Sonim XP Strike LG K40 / Harmony 3
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SCH-A645 BlackBerry KEYone BlackBerry Pearl Flip 8220 Sonim XP Strike LG K40 / Harmony 3

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