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Phone Samsung SCH-A990 Samsung Gravity TXT Samsung Instinct S30 BlackBerry Z10 (CDMA) Asus ROG Phone
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 2.4" diag.
4 : 3
3.2" diag.
16 : 9
4.2" diag.
5 : 3
6" diag.
18 : 9
Display Resolution & Type 240 x 320 pixels
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
240 x 432 pixels
(~154 ppi)
LCD (TFT/TFD)
768 x 1280 pixels
(~355 ppi)
LCD (TFT/TFD)
1080 x 2160 pixels
(~402 ppi)
AMOLED
Display Refresh ? ? ? ? 60 Hz
Battery 1,000 mAh 1,000 mAh 1,000 mAh 1,800 mAh 4,000 mAh
Processor ? ? ? 1.5 GHz Qualcomm Snapdragon S4 3 GHz Qualcomm Snapdragon 845
RAM ? ? ? 2 GB 8 GB
Storage ? raw hardware ? raw hardware ? raw hardware 16 GB 128 GB *
Main Camera 3 megapixel 2 megapixel 2 megapixel 8 megapixel 12 megapixel
Wide Camera - - - - 8 megapixel
Tele Camera - - - - -
Video Capture ? QVGA (320 x 240) ? 1080p HD 4K UHD
Front Camera - - - 2 megapixel 8 megapixel
Weight 4.4 oz
(125g)
3.95 oz
(112g)
3.88 oz
(110g)
4.78 oz
(135g)
7.05 oz
(200g)
Dimensions 3.8" x 1.88" x 0.82"
(97 x 48 x 20.8 mm)
4.41" x 2.09" x 0.55"
(112 x 53 x 14 mm)
4.61" x 2.16" x 0.52"
(117 x 55 x 13.2 mm)
5.12" x 2.58" x 0.35"
(130 x 66 x 9 mm)
6.25" x 3" x 0.34"
(159 x 76 x 8.6 mm)
Form Factor Clamshell Slide Slab Slab Slab
Platform / OS (proprietary) (proprietary) (proprietary) BlackBerry 10 Android
Network Bands

CDMA: 850, 1900

WCDMA: 2, 4

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

4G LTE: 13

WCDMA: 1, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 28, 29, 32, 34, 38, 39, 40, 41, 46

WCDMA: 1, 2, 3, 4, 5, 8, 19

GSM: 850, 900, 1800, 1900

Data Technology EVDO r0 HSPA 7.2 EVDO r0 LTE (Cat 3) LTE (Cat 16)
Features 
Fingerprint Reader - - - - Yes
Flashlight Yes - - - Yes
GPS / Location Yes Yes Yes n/a n/a
Water-Resistant - - - - Yes
Accessibility
Adjustable Text Size - - - n/a n/a
Hearing Aid Compatible Yes
M3 (mostly compatible)
Yes
M3, T3 (mostly tele-coil compatible)
Yes
M4, T3 (mostly tele-coil compatible)
- Yes
M4, T3 (mostly tele-coil compatible)
Multiple Languages Yes Yes - n/a n/a
TTY/TDD (Digital) Yes - Yes Yes -
Alerts
Extra Display Yes - - - -
Ringer Profiles - Yes - Yes -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Mobile Hotspot - - - n/a n/a
NFC - - - Yes Yes
USB Yes Yes
Micro-USB
- Yes
Micro-USB
Yes
USB Type C
Wi-Fi - - - Yes
4 (802.11 a,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes Yes Yes n/a n/a
Ringer ID Yes Yes Yes n/a n/a
Voice Dialing Yes Yes Yes n/a n/a
Customization
Custom Graphics Yes Yes Yes n/a n/a
Custom Ringtones Yes Yes Yes n/a n/a
Real-Music Ringers Yes Yes Yes n/a n/a
Data & Network
Data Tethering Yes - Yes n/a n/a
Dual-SIM - - - - Yes
WAP / Web Browser Yes Yes Yes n/a n/a
Input
Predictive Text Entry Yes Yes - n/a n/a
Side Keys Yes Yes Yes Yes Yes
Stylus - - Yes - -
Text Keyboard, Hardware - Yes - - -
Touch Screen - - Yes Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot Yes Yes Yes Yes -
Messaging
Email Client - Yes Yes n/a n/a
EMS / Picture Messaging Yes - - n/a n/a
Instant Messaging - Yes Yes n/a n/a
MMS Yes Yes - n/a n/a
Text Messaging Templates Yes Yes - n/a n/a
Music
FM Radio - - - - Yes
Headphone Jack (3.5mm) - Yes Yes Yes Yes
Music Player Yes Yes Yes n/a n/a
Stereo Speakers Yes - - - Yes
Photo & Video
DLNA - - - Yes -
TV Output Yes - - Yes Yes
Power
Fast Charging - - - - Yes
Productivity
Alarm Yes Yes Yes n/a n/a
Calculator Yes Yes Yes n/a n/a
Calendar Yes Yes Yes n/a n/a
To-Do List - - - n/a n/a
Voice Memo Yes Yes - n/a n/a
Software
BREW Yes - - n/a n/a
Games Yes Yes Yes n/a n/a
Java (J2ME) - Yes Yes n/a n/a
Voice
Speaker Phone Yes Yes Yes Yes Yes
  Samsung SCH-A990 Samsung Gravity TXT Samsung Instinct S30 BlackBerry Z10 (CDMA) Asus ROG Phone
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Samsung SCH-A990 Samsung Gravity TXT Samsung Instinct S30 BlackBerry Z10 (CDMA) Asus ROG Phone

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