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Phone LG K4 / Optimus Zone 3 / Rebel AT&T Cingular Flip IV / Cricket Debut Flip Motorola Krave ZN4 TCL 20 Pro 5G ZTE Flash
Current U.S. Carriers (none) (none) (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 4.5" diag.
16 : 9
2.8" diag.
4 : 3
2.8" diag.
5 : 3
6.7" diag.
20 : 9
4.5" diag.
16 : 9
Display Resolution & Type 480 x 854 pixels
(~218 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~143 ppi)
LCD (TFT/TFD)
240 x 400 pixels
(~167 ppi)
LCD (TFT/TFD)
1080 x 2400 pixels
(~395 ppi)
AMOLED
720 x 1280 pixels
(~326 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? ? 60 Hz 60 Hz
Battery 1,940 mAh 1,450 mAh 950 mAh 4,500 mAh 1,780 mAh
Processor 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) ? 2 GHz Qualcomm Snapdragon 750G 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960
RAM 1.5 GB 512 MB ? 6 GB 1 GB
Storage 16 GB * 4 GB ? raw hardware 256 GB 8 GB
Main Camera 5 megapixel 2 megapixel 2 megapixel 48 megapixel 12 megapixel
Wide Camera - - - 16 megapixel -
Tele Camera - - - - -
Video Capture 720p HD WVGA / 480p QVGA (320 x 240) 4K UHD 1080p HD
Front Camera 2 megapixel - - 32 megapixel 1 megapixel
Weight 3.99 oz
(113g)
4.59 oz
(130g)
4.52 oz
(128g)
6.82 oz
(193g)
5.2 oz
(147g)
Dimensions 5.19" x 2.62" x 0.35"
(132 x 67 x 8.9 mm)
4.13" x 2.14" x 0.74"
(105 x 54 x 18.9 mm)
4.12" x 2.01" x 0.74"
(105 x 51 x 18.8 mm)
6.46" x 2.87" x 0.36"
(164 x 73 x 9.1 mm)
5.27" x 2.56" x 0.38"
(134 x 65 x 9.7 mm)
Form Factor Slab Clamshell Flip Slab Slab
Platform / OS Android (proprietary) (proprietary) Android Android
Network Bands

4G LTE: 2, 4, 5, 13

WCDMA: 1, 2, 5

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

4G LTE: 2, 4, 5, 12, 14

WCDMA: 2, 4, 5

CDMA: 850, 1900

5G: 2, 5, 7, 41, 66, 71, 78

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 38, 40, 41, 48, 66, 71

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

4G LTE: 25

CDMA: 800, 850, 1900

Data Technology LTE (Cat 3) LTE (Cat 4) EVDO r0 NR (5G) LTE (Cat 3)
Features 
Barometer - - - Yes -
Fingerprint Reader - - - Yes
in-display (optical)
-
Flashlight Yes - - Yes -
GPS / Location n/a Yes Yes n/a n/a
Water-Resistant - - - Yes
IPX2 (drip)
-
Accessibility
Adjustable Text Size n/a Yes - n/a n/a
Hearing Aid Compatible Yes Yes Yes Yes Yes
Multiple Languages n/a Yes Yes n/a n/a
TTY/TDD (Digital) Yes Yes Yes Yes Yes
Alerts
Extra Display - Yes - - -
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
Infrared (IR) - - - Yes -
Mobile Hotspot n/a Yes - n/a n/a
NFC - - - Yes Yes
USB Yes
Micro-USB
Yes
Micro-USB
Yes
Micro-USB
Yes
USB Type C
Yes
Micro-USB
Wi-Fi Yes
4 (802.11 b,g,n)
Yes
4 (802.11 b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Yes
4 (802.11 b,g,n)
Contacts
Picture ID n/a Yes Yes n/a n/a
Ringer ID n/a - Yes n/a n/a
Voice Dialing n/a Yes Yes n/a n/a
Customization
Custom Graphics n/a Yes Yes n/a n/a
Custom Ringtones n/a Yes Yes n/a n/a
Real-Music Ringers n/a Yes Yes n/a n/a
Data & Network
Data Tethering n/a - Yes n/a n/a
WAP / Web Browser n/a Yes Yes n/a n/a
Input
Predictive Text Entry n/a Yes Yes n/a n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes - Yes Yes Yes
Memory
Memory Card Slot Yes Yes Yes Yes Yes
Messaging
Email Client n/a Yes Yes n/a n/a
EMS / Picture Messaging n/a - Yes n/a n/a
Instant Messaging n/a - Yes n/a n/a
MMS n/a Yes Yes n/a n/a
Text Messaging Templates n/a - Yes n/a n/a
Music
FM Radio - Yes - Yes -
Headphone Jack (3.5mm) Yes Yes Yes Yes Yes
Music Player n/a Yes Yes n/a n/a
Photo & Video
Miracast Yes - - - -
Power
Fast Charging - - - Yes -
Wireless Charging - - - Yes -
Productivity
Alarm n/a Yes Yes n/a n/a
Calculator n/a Yes Yes n/a n/a
Calendar n/a Yes Yes n/a n/a
Voice Memo n/a Yes Yes n/a n/a
Software
BREW n/a - Yes n/a n/a
Games n/a Yes Yes n/a n/a
Voice
HD Voice Yes * Yes - Yes Yes
Speaker Phone Yes Yes Yes Yes Yes
  * Some versions only
  LG K4 / Optimus Zone 3 / Rebel AT&T Cingular Flip IV / Cricket Debut Flip Motorola Krave ZN4 TCL 20 Pro 5G ZTE Flash
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone LG K4 / Optimus Zone 3 / Rebel AT&T Cingular Flip IV / Cricket Debut Flip Motorola Krave ZN4 TCL 20 Pro 5G ZTE Flash

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