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Phone BlackBerry 7750 Samsung Glyde U940 ZTE Savvy LG Stylo 4 Samsung SGH-E640
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2.8" diag.
16.5 : 9
4" diag.
5 : 3
6.2" diag.
18 : 9
?
Display Resolution & Type 240 x 240 pixels
LCD (Color)
240 x 440 pixels
(~182 ppi)
LCD (TFT/TFD)
480 x 800 pixels
(~233 ppi)
LCD (TFT/TFD)
1080 x 2160 pixels
(~390 ppi)
LCD (TFT/TFD)
176 x 220 pixels
LCD (TFT/TFD)
Display Refresh ? ? 60 Hz 60 Hz ?
Battery ? 1,000 mAh 1,650 mAh 3,300 mAh 800 mAh
Processor ? ? 1 GHz Qualcomm MSM8625 1.8 GHz Qualcomm Snapdragon 450 ?
RAM ? ? 768 MB 2 GB * ?
Storage ? raw hardware ? raw hardware 4 GB 32 GB * ? raw hardware
Main Camera - 2 megapixel 5 megapixel 13 megapixel 1 megapixel
Wide Camera - - - - -
Tele Camera - - - - -
Video Capture - QVGA (320 x 240) WVGA / 480p 1080p HD QCIF (176 x 144)
Front Camera - - - 5 megapixel -
Weight 5.01 oz
(142g)
4.2 oz
(119g)
4.43 oz
(126g)
6.07 oz
(172g)
3.17 oz
(90g)
Dimensions 4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
4.09" x 1.98" x 0.71"
(104 x 50 x 18 mm)
4.96" x 2.55" x 0.42"
(126 x 65 x 10.7 mm)
6.31" x 3.06" x 0.33"
(160 x 78 x 8.4 mm)
3.37" x 1.78" x 0.93"
(86 x 45 x 23.6 mm)
Form Factor Slab Slide Slab Slab Clamshell
Platform / OS BlackBerry OS (proprietary) Android Android (proprietary)
Network Bands

CDMA: 850, 1900

CDMA: 850, 1900

CDMA: 850, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 29, 30, 38, 41, 66, 71

WCDMA: 1, 2, 4, 5

GSM: 850, 900, 1800, 1900

*

GSM: 900, 1800, 1900

Data Technology 1xRTT EVDO r0 EVDO rA LTE (Cat 6) GPRS
Features 
Fingerprint Reader - - - Yes
stand-alone
-
Flashlight - - Yes Yes -
GPS / Location n/a Yes n/a n/a -
Accessibility
Adjustable Text Size n/a - n/a n/a -
Hearing Aid Compatible - Yes
M4 (very compatible)
Yes
M4, T4 (very tele-coil 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 - - - -
Connectivity
Bluetooth - Yes Yes Yes Yes
NFC - - - Yes * -
USB Yes Yes Yes
Micro-USB
Yes
USB Type C
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 Yes 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
Stylus - - - Yes -
Text Keyboard, Hardware Yes Yes - - -
Touch Screen - Yes Yes
Capacitive
Yes
Capacitive
-
Memory
Memory Card Slot - Yes Yes Yes -
Messaging
Email Client n/a - n/a n/a Yes
EMS / Picture Messaging n/a - n/a n/a Yes
Instant Messaging n/a - n/a n/a -
MMS n/a Yes n/a n/a Yes
Text Messaging Templates n/a Yes n/a n/a Yes
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) - - Yes Yes -
Music Player n/a Yes n/a n/a Yes
Photo & Video
DLNA - - Yes 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 - 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 - n/a n/a Yes
Voice
HD Voice - - - Yes -
Headset Jack (2.5 mm) n/a Yes n/a n/a -
Speaker Phone - Yes Yes Yes Yes
  * Some versions only
  BlackBerry 7750 Samsung Glyde U940 ZTE Savvy LG Stylo 4 Samsung SGH-E640
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Phone BlackBerry 7750 Samsung Glyde U940 ZTE Savvy LG Stylo 4 Samsung SGH-E640

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