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Phone Samsung Galaxy S II / SGH-i777 Samsung Glyde U940 BlackBerry 7750 BlackBerry Classic (CDMA) Nubia RedMagic 5S
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4.3" diag.
5 : 3
2.8" diag.
16.5 : 9
? 3.5" diag.
1 : 1
6.7" diag.
19.5 : 9
Display Resolution & Type 480 x 800 pixels
(~217 ppi)
AMOLED
240 x 440 pixels
(~182 ppi)
LCD (TFT/TFD)
240 x 240 pixels
LCD (Color)
720 x 720 pixels
(~291 ppi)
LCD (TFT/TFD)
1080 x 2340 pixels
(~388 ppi)
AMOLED
Display Refresh 60 Hz ? ? ? 144 Hz
Battery 1,650 mAh 1,000 mAh ? 2,515 mAh 4,500 mAh
Processor 1.2 GHz Samsung Exynos dual-core ? ? 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 Qualcomm Snapdragon 865
RAM ? ? ? 2 GB 8 GB *
Storage 16 GB ? raw hardware ? raw hardware 16 GB 128 GB *
Main Camera 8 megapixel 2 megapixel - 8 megapixel 64 megapixel
Wide Camera - - - - 8 megapixel
Tele Camera - - - - -
Video Capture 1080p HD QVGA (320 x 240) - 1080p HD 4K UHD
Front Camera 2 megapixel - - 2 megapixel 8 megapixel
Weight 4.3 oz
(122g)
4.2 oz
(119g)
5.01 oz
(142g)
6.28 oz
(178g)
7.76 oz
(220g)
Dimensions 4.96" x 2.6" x 0.35"
(126 x 66 x 8.9 mm)
4.09" x 1.98" x 0.71"
(104 x 50 x 18 mm)
4.76" x 3.03" x 0.71"
(121 x 77 x 18 mm)
5.16" x 2.85" x 0.4"
(131 x 72 x 10.2 mm)
6.64" x 3.07" x 0.38"
(169 x 78 x 9.8 mm)
Form Factor Slab Slide Slab Slab Slab
Platform / OS Android (proprietary) BlackBerry OS BlackBerry 10 Android
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

CDMA: 850, 1900

4G LTE: 3, 4, 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

5G: 41, 78

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 18, 19, 20, 26, 34, 38, 40, 41

WCDMA: 1, 2, 4, 5, 8, 19

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology HSPA+ 21 EVDO r0 1xRTT LTE (Cat 3) NR (5G)
Features 
Fingerprint Reader - - - - Yes
Flashlight - - - - Yes
GPS / Location n/a Yes n/a n/a n/a
Accessibility
Adjustable Text Size n/a - n/a n/a n/a
Hearing Aid Compatible Yes Yes - Yes -
Multiple Languages n/a Yes n/a n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes -
Alerts
Ringer Profiles - - Yes Yes -
Connectivity
Bluetooth Yes Yes - Yes Yes
Mobile Hotspot n/a - n/a n/a n/a
NFC Yes - - Yes -
USB Yes
Micro-USB
Yes Yes Yes
Micro-USB
Yes
USB Type C
Wi-Fi Yes
4 (802.11 a,b,g,n)
- - Yes
4 (802.11 a,b,g,n)
Yes
6 (802.11 a,ac,ax,b,g,n)
Contacts
Picture ID n/a Yes n/a n/a n/a
Ringer ID n/a Yes n/a n/a n/a
Voice Dialing n/a Yes n/a n/a n/a
Customization
Custom Graphics n/a Yes n/a n/a n/a
Custom Ringtones n/a Yes n/a n/a n/a
Real-Music Ringers n/a Yes n/a n/a n/a
Data & Network
Data Tethering n/a Yes n/a n/a n/a
Dual-SIM - - - - Yes
WAP / Web Browser n/a Yes n/a n/a n/a
Input
Predictive Text Entry n/a Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Text Keyboard, Hardware - Yes Yes Yes -
Touch Screen Yes Yes - Yes Yes
Memory
Memory Card Slot Yes Yes - Yes -
Messaging
Email Client n/a - n/a n/a n/a
Instant Messaging n/a - n/a n/a n/a
MMS n/a Yes n/a n/a n/a
Text Messaging Templates n/a Yes n/a n/a n/a
Music
FM Radio - - - Yes -
Headphone Jack (3.5mm) Yes - - Yes Yes
Music Player n/a Yes n/a n/a n/a
Stereo Speakers - - - - Yes
Photo & Video
DLNA Yes - - Yes -
Miracast - - - Yes -
TV Output Yes - - Yes Yes
Power
Fast Charging - - - - Yes
Productivity
Alarm n/a Yes n/a n/a n/a
Calculator n/a Yes n/a n/a n/a
Calendar n/a Yes n/a n/a n/a
To-Do List n/a - n/a n/a n/a
Voice Memo n/a - n/a n/a n/a
Software
BREW n/a Yes n/a n/a n/a
Games n/a Yes n/a n/a n/a
Java (J2ME) n/a - n/a n/a n/a
Voice
Headset Jack (2.5 mm) n/a Yes n/a n/a n/a
Speaker Phone Yes Yes - Yes Yes
  Samsung Galaxy S II / SGH-i777 Samsung Glyde U940 BlackBerry 7750 BlackBerry Classic (CDMA) Nubia RedMagic 5S
  X > < X > < X > < X > < X

NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung Galaxy S II / SGH-i777 Samsung Glyde U940 BlackBerry 7750 BlackBerry Classic (CDMA) Nubia RedMagic 5S

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