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Phone Ericsson T39 LG Optimus F7 Kyocera DuraForce Ultra 5G ZTE Z331 Audiovox CDM-8150X
Current U.S. Carriers (none) (none) Verizon (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size ? 4.7" diag.
16 : 9
5.5" diag.
18 : 9
2.4" diag.
4 : 3
?
Display Resolution & Type ?
LCD (Grayscale)
720 x 1280 pixels
(~312 ppi)
LCD (TFT/TFD)
1080 x 2160 pixels
(~443 ppi)
LCD (TFT/TFD)
176 x 220 pixels
(~117 ppi)
LCD (TFT/TFD)
?
Display Refresh ? 60 Hz 60 Hz ? ?
Battery ? 2,540 mAh 4,500 mAh 950 mAh ?
Processor ? 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 2.4 GHz Qualcomm Snapdragon 765G ? ?
RAM ? 1 GB 6 GB ? ?
Storage ? raw hardware 8 GB 128 GB ? raw hardware ? raw hardware
Main Camera - 8 megapixel 23 megapixel 3 megapixel -
Wide Camera - - 16 megapixel - -
Tele Camera - - - - -
Video Capture - 1080p HD 4K UHD QCIF (176 x 144) -
Front Camera - 1 megapixel 8 megapixel - -
Weight 3.03 oz
(86g)
4.7 oz
(133g)
9.81 oz
(278g)
4 oz
(113g)
3.88 oz
(110g)
Dimensions 3.78" x 1.97" x 0.71"
(96 x 50 x 18 mm)
5.16" x 2.71" x 0.38"
(131 x 69 x 9.7 mm)
6.5" x 2.95" x 0.63"
(165 x 75 x 16 mm)
3.84" x 2.02" x 0.69"
(98 x 51 x 17.5 mm)
4.88" x 1.89" x 0.71"
(124 x 48 x 18 mm)
Form Factor Flip Slab Slab Clamshell Slab
Platform / OS (proprietary) Android Android (proprietary) (proprietary)
Network Bands

GSM: 900, 1800, 1900

4G LTE: 4, 5, 12, 25

CDMA: 850, 1700, 1900

*

5G: 2, 5, 66, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 48, 66

WCDMA: 1, 2, 5, 8

GSM: 850, 900, 1800, 1900

WCDMA: 1, 2, 5

GSM: 850, 900, 1800, 1900

CDMA: 850, 1900

AMPS: 850

Data Technology GPRS LTE (Cat 3) NR (5G) HSDPA 3.6 1xRTT
Features 
Barometer - - Yes - -
Fingerprint Reader - - Yes
stand-alone
- -
Flashlight - - Yes - -
GPS / Location - n/a n/a Yes -
Ruggedized - - Yes - -
Water-Resistant - - Yes
IPX8 (SCUBA)
- -
Accessibility
Adjustable Text Size - n/a n/a - -
Hearing Aid Compatible - Yes Yes Yes -
Multiple Languages Yes n/a n/a Yes Yes
TTY/TDD (Digital) - Yes Yes Yes -
Alerts
Extra Display - - - Yes -
Ringer Profiles Yes - - Yes -
Connectivity
Bluetooth Yes
HSP, DUN, OPP, Sync
Yes
Classic Audio
Yes
Classic Audio
Yes
Classic Audio
-
Infrared (IR) Yes - - - -
Mobile Hotspot - n/a n/a - -
NFC - Yes Yes - -
USB - Yes Yes
USB Type C
Yes
Micro-USB
-
UWB - - Yes - -
Wi-Fi - Yes
4 (802.11 a,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
- -
Contacts
Picture ID - n/a n/a Yes -
Ringer ID - n/a n/a Yes -
Voice Dialing Yes n/a n/a - Yes
Customization
Custom Graphics Yes n/a n/a Yes -
Custom Ringtones Yes n/a n/a Yes Yes
Real-Music Ringers - n/a n/a Yes -
Data & Network
Data Tethering Yes n/a n/a Yes -
WAP / Web Browser Yes n/a n/a Yes Yes
Input
Predictive Text Entry Yes n/a n/a Yes Yes
Side Keys Yes Yes Yes Yes Yes
Touch Screen - Yes Yes - -
Memory
Memory Card Slot - Yes Yes Yes -
Messaging
Email Client - n/a n/a Yes -
Instant Messaging - n/a n/a Yes -
MMS - n/a n/a Yes -
Text Messaging Templates Yes n/a n/a Yes -
Music
Headphone Jack (3.5mm) - Yes Yes - -
Music Player - n/a n/a Yes -
Photo & Video
DLNA - Yes - - -
Miracast - Yes - - -
TV Output - Yes - - -
Power
Fast Charging - - Yes - -
Wireless Charging - - Yes - -
Productivity
Alarm Yes n/a n/a Yes -
Calculator Yes n/a n/a Yes Yes
Calendar Yes n/a n/a Yes Yes
To-Do List - n/a n/a - -
Voice Memo Yes n/a n/a Yes Yes
Software
Games Yes n/a n/a Yes -
Java (J2ME) - n/a n/a Yes -
Voice
HD Voice - - Yes - -
Headset Jack (2.5 mm) - n/a n/a - Yes
Push-To-Talk - - Yes - -
Speaker Phone - Yes Yes Yes -
  Ericsson T39 LG Optimus F7 Kyocera DuraForce Ultra 5G ZTE Z331 Audiovox CDM-8150X
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Phone Ericsson T39 LG Optimus F7 Kyocera DuraForce Ultra 5G ZTE Z331 Audiovox CDM-8150X

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