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Phone Samsung DoubleTime Samsung Gravity TXT LG K30 2018 (CDMA) Samsung Wafer R510
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 3.2" diag.
5 : 3
2.4" diag.
4 : 3
5.3" diag.
16 : 9
1.9" diag.
4 : 3
Display Resolution & Type 320 x 480 pixels
(~180 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~167 ppi)
LCD (TFT/TFD)
720 x 1280 pixels
(~277 ppi)
LCD (TFT/TFD)
220 x 176 pixels
(~148 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? 60 Hz ?
Battery 1,200 mAh 1,000 mAh 3,000 mAh 800 mAh
Processor 600 MHz Qualcomm ? 1.5 GHz MediaTek MT6750T ?
RAM ? ? 2 GB ?
Storage ? raw hardware ? raw hardware 32 GB ? raw hardware
Main Camera 3 megapixel 2 megapixel 13 megapixel 1 megapixel
Wide Camera - - - -
Tele Camera - - - -
Video Capture QVGA (320 x 240) QVGA (320 x 240) 1080p HD ?
Front Camera - - 5 megapixel -
Weight 5.22 oz
(148g)
3.95 oz
(112g)
5.93 oz
(168g)
2.47 oz
(70g)
Dimensions 4.45" x 2.44" x 0.59"
(113 x 62 x 15 mm)
4.41" x 2.09" x 0.55"
(112 x 53 x 14 mm)
5.85" x 2.95" x 0.33"
(149 x 75 x 8.4 mm)
4.45" x 1.97" x 0.33"
(113 x 50 x 8.4 mm)
Form Factor Clamshell Slide Slab Slab
Platform / OS Android (proprietary) Android (proprietary)
Network Bands

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

WCDMA: 2, 4

GSM: 850, 900, 1800, 1900

4G LTE: 2, 4, 5, 12, 13, 25, 26, 41

WCDMA: 1, 2, 4, 5

CDMA: 800, 850, 1900

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

Data Technology HSPA 7.2 HSPA 7.2 LTE (Cat 4) EVDO r0
Features 
Fingerprint Reader - - Yes
stand-alone
-
Flashlight - - Yes -
GPS / Location n/a Yes n/a Yes
Accessibility
Hearing Aid Compatible Yes Yes Yes Yes
Multiple Languages n/a Yes n/a Yes
TTY/TDD (Digital) Yes - Yes Yes
Alerts
Ringer Profiles - Yes - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Mobile Hotspot n/a - n/a -
USB Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
-
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 Yes
Ringer ID n/a Yes n/a -
Voice Dialing n/a Yes n/a Yes
Customization
Custom Graphics n/a Yes n/a Yes
Custom Ringtones n/a Yes n/a Yes
Real-Music Ringers n/a Yes n/a -
Data & Network
Data Tethering n/a - n/a -
WAP / Web Browser n/a Yes n/a Yes
Input
Predictive Text Entry n/a Yes n/a Yes
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware Yes Yes - -
Touch Screen Yes - Yes -
Memory
Memory Card Slot Yes Yes Yes Yes
Messaging
Email Client n/a Yes n/a -
Instant Messaging n/a Yes n/a -
MMS n/a Yes n/a Yes
Text Messaging Templates n/a Yes n/a -
Music
FM Radio - - Yes -
Headphone Jack (3.5mm) Yes Yes Yes -
Music Player n/a Yes n/a Yes
Stereo Speakers - - - Yes
Productivity
Alarm n/a Yes n/a Yes
Calculator n/a Yes n/a Yes
Calendar n/a Yes n/a Yes
Voice Memo n/a Yes n/a Yes
Software
BREW n/a - n/a Yes
Games n/a Yes n/a Yes
Java (J2ME) n/a Yes n/a -
Voice
Speaker Phone Yes Yes Yes Yes
  Samsung DoubleTime Samsung Gravity TXT LG K30 2018 (CDMA) Samsung Wafer R510
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Phone Samsung DoubleTime Samsung Gravity TXT LG K30 2018 (CDMA) Samsung Wafer R510

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