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Phone Samsung Instinct S30 Samsung Gravity TXT Apple iPhone 3GS Google Pixel 3a XL
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 3.2" diag.
16 : 9
2.4" diag.
4 : 3
3.5" diag.
5 : 3
6" diag.
18 : 9
Display Resolution & Type 240 x 432 pixels
(~154 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
320 x 480 pixels
(~165 ppi)
LCD (TFT/TFD)
1080 x 2160 pixels
(~402 ppi)
AMOLED
Display Refresh ? ? 60 Hz 60 Hz
Battery 1,000 mAh 1,000 mAh ? 3,700 mAh
Processor ? ? ? 2 GHz Qualcomm Snapdragon 670
RAM ? ? ? 4 GB
Storage ? raw hardware ? raw hardware 32 GB * 64 GB
Main Camera 2 megapixel 2 megapixel 3 megapixel 12 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture ? QVGA (320 x 240) VGA (640 x 480) 4K UHD
Front Camera - - - 8 megapixel
Weight 3.88 oz
(110g)
3.95 oz
(112g)
4.76 oz
(135g)
5.89 oz
(167g)
Dimensions 4.61" x 2.16" x 0.52"
(117 x 55 x 13.2 mm)
4.41" x 2.09" x 0.55"
(112 x 53 x 14 mm)
4.55" x 2.44" x 0.48"
(116 x 62 x 12.3 mm)
6.3" x 3" x 0.3"
(160 x 76 x 7.6 mm)
Form Factor Slab Slide Slab Slab
Platform / OS (proprietary) (proprietary) iOS Android
Network Bands

CDMA: 850, 1900

WCDMA: 2, 4

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 25, 26, 28, 29, 30, 38, 40, 41, 66, 71

WCDMA: 1, 2, 4, 5, 8

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology EVDO r0 HSPA 7.2 HSPA 7.2 LTE (Cat 11)
Features 
Barometer - - - Yes
Fingerprint Reader - - - Yes
stand-alone
Flashlight - - - Yes
GPS / Location Yes Yes n/a n/a
Accessibility
Hearing Aid Compatible Yes
M4, T3 (mostly tele-coil compatible)
Yes
M3, T3 (mostly tele-coil compatible)
- Yes
M3, T3 (mostly tele-coil compatible)
Multiple Languages - Yes n/a n/a
TTY/TDD (Digital) Yes - Yes Yes
Alerts
Ringer Profiles - Yes - -
Connectivity
Bluetooth Yes Yes Yes Yes
NFC - - - Yes
USB - Yes
Micro-USB
Yes Yes
USB Type C
Wi-Fi - - Yes
802.11 b,g
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID Yes Yes n/a n/a
Ringer ID Yes Yes n/a n/a
Voice Dialing Yes Yes n/a n/a
Customization
Custom Graphics Yes Yes n/a n/a
Custom Ringtones Yes Yes n/a n/a
Real-Music Ringers Yes Yes n/a n/a
Data & Network
Data Tethering Yes - n/a n/a
WAP / Web Browser Yes Yes n/a n/a
Input
Predictive Text Entry - Yes n/a n/a
Side Keys Yes Yes Yes Yes
Stylus Yes - - -
Text Keyboard, Hardware - Yes - -
Touch Screen Yes - Yes
Capacitive
Yes
Capacitive
Memory
Memory Card Slot Yes Yes - -
Messaging
Email Client Yes Yes n/a n/a
Instant Messaging Yes Yes n/a n/a
MMS - Yes n/a n/a
Text Messaging Templates - Yes n/a n/a
Music
Headphone Jack (3.5mm) Yes Yes Yes Yes
Music Player Yes Yes n/a n/a
Stereo Speakers - - - Yes
Photo & Video
TV Output - - Yes -
Power
Fast Charging - - - Yes
Productivity
Alarm Yes Yes n/a n/a
Calculator Yes Yes n/a n/a
Calendar Yes Yes n/a n/a
Voice Memo - Yes n/a n/a
Software
Games Yes Yes n/a n/a
Java (J2ME) Yes Yes n/a n/a
Voice
Call Screening - - - Yes
HD Voice - - - Yes
Speaker Phone Yes Yes Yes Yes
  Samsung Instinct S30 Samsung Gravity TXT Apple iPhone 3GS Google Pixel 3a XL
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Phone Samsung Instinct S30 Samsung Gravity TXT Apple iPhone 3GS Google Pixel 3a XL

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