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Phone ZTE Flash Motorola KRZR K1m BlackBerry 7750 Sony Xperia Z2 Sonim XP Strike
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Not yet released Released
Specifications 
Display Size 4.5" diag.
16 : 9
? ? 5.2" diag.
16 : 9
2" diag.
4 : 3
Display Resolution & Type 720 x 1280 pixels
(~326 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
1080 x 1920 pixels
(~424 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? 60 Hz ?
Battery 1,780 mAh 880 mAh ? 3,200 mAh 1,950 mAh
Processor 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 ? ? 2.3 GHz Qualcomm Snapdragon 801 MSM8974AB ?
RAM 1 GB ? ? 3 GB 256 MB
Storage 8 GB ? raw hardware ? raw hardware 16 GB 512 MB
Main Camera 12 megapixel 1 megapixel - 20 megapixel 2 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture 1080p HD ? - 4K UHD ?
Front Camera 1 megapixel - - 2 megapixel -
Weight 5.2 oz
(147g)
3.63 oz
(103g)
5.01 oz
(142g)
5.75 oz
(163g)
6.52 oz
(185g)
Dimensions 5.27" x 2.56" x 0.38"
(134 x 65 x 9.7 mm)
4.06" x 1.73" x 0.67"
(103 x 44 x 17 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
5.78" x 2.89" x 0.32"
(147 x 73 x 8.2 mm)
4.95" x 2.3" x 0.98"
(126 x 58 x 24.9 mm)
Form Factor Slab Clamshell Slab Slab Slab
Platform / OS Android (proprietary) BlackBerry OS Android (proprietary)
Network Bands

4G LTE: 25

CDMA: 800, 850, 1900

CDMA: 850, 1900

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 13, 17

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

CDMA: 800, 850, 1900

Data Technology LTE (Cat 3) EVDO r0 1xRTT LTE (Cat 4) EVDO rA
Features 
Flashlight - - - - Yes
GPS / Location n/a Yes n/a n/a Yes
Ruggedized - - - Yes Yes
Water-Resistant - - - Yes
IPX8 (SCUBA)
Yes
Accessibility
Adjustable Text Size n/a - n/a n/a -
Hearing Aid Compatible Yes
M4, T4 (very tele-coil compatible)
Yes
M3 (mostly compatible)
- - Yes
M4, T3 (mostly tele-coil compatible)
Multiple Languages n/a Yes n/a n/a Yes
TTY/TDD (Digital) Yes Yes Yes Yes -
Alerts
Extra Display - Yes - - -
Ringer Profiles - Yes Yes - Yes
Connectivity
Bluetooth Yes Yes - Yes Yes
Mobile Hotspot n/a - n/a n/a -
NFC Yes - - Yes -
USB Yes
Micro-USB
Yes
Mini-USB
Yes Yes
Micro-USB
Yes
Wi-Fi Yes
4 (802.11 b,g,n)
- - Yes
5 (802.11 a,ac,b,g,n)
-
Contacts
Picture ID n/a Yes n/a n/a Yes
Ringer ID n/a Yes n/a n/a Yes
Voice Dialing n/a Yes n/a n/a -
Customization
Custom Graphics n/a Yes n/a n/a Yes
Custom Ringtones n/a Yes n/a n/a Yes
Real-Music Ringers n/a - n/a n/a Yes
Data & Network
Data Tethering n/a Yes n/a n/a -
WAP / Web Browser n/a Yes n/a n/a Yes
Input
Predictive Text Entry n/a Yes n/a n/a Yes
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 n/a - n/a n/a -
EMS / Picture Messaging n/a Yes n/a n/a -
Instant Messaging n/a Yes * n/a n/a -
MMS n/a Yes n/a n/a Yes
Text Messaging Templates n/a Yes n/a n/a -
Music
FM Radio - - - Yes Yes
Headphone Jack (3.5mm) Yes - - Yes Yes
Music Player n/a Yes n/a n/a Yes
Photo & Video
DLNA - - - Yes -
Miracast - - - Yes -
TV Output - - - Yes -
Productivity
Alarm n/a Yes n/a n/a Yes
Calculator n/a Yes n/a n/a Yes
Calendar n/a Yes n/a n/a Yes
To-Do List n/a - n/a n/a Yes
Voice Memo n/a Yes n/a n/a Yes
Software
BREW n/a Yes * n/a n/a -
Games n/a Yes n/a n/a Yes
Java (J2ME) n/a Yes * n/a n/a Yes
Voice
HD Voice Yes - - - -
Headset Jack (2.5 mm) n/a - n/a n/a -
Push-To-Talk - - - - Yes
Speaker Phone Yes Yes - Yes Yes
  * Some versions only
  ZTE Flash Motorola KRZR K1m BlackBerry 7750 Sony Xperia Z2 Sonim XP Strike
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone ZTE Flash Motorola KRZR K1m BlackBerry 7750 Sony Xperia Z2 Sonim XP Strike

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