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Phone Apple iPhone 4 (CDMA) ZTE Z221 Kyocera DuraForce Ultra 5G Asus Smartphone for Snapdragon Insiders Kyocera Brigadier
Current U.S. Carriers (none) (none) Verizon (none) (none)
Global Availability Released Released Released Not yet released Released
Specifications 
Display Size 3.5" diag.
5 : 3
2" diag.
4 : 3
5.5" diag.
18 : 9
6.8" diag.
20.5 : 9
4.5" diag.
16 : 9
Display Resolution & Type 640 x 960 pixels
(~330 ppi)
LCD (TFT/TFD)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
1080 x 2160 pixels
(~443 ppi)
LCD (TFT/TFD)
1080 x 2448 pixels
(~395 ppi)
AMOLED
720 x 1280 pixels
(~326 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz ? 60 Hz 144 Hz 60 Hz
Battery ? 900 mAh 4,500 mAh 4,000 mAh 3,100 mAh
Processor ? ? 2.4 GHz Qualcomm Snapdragon 765G 2.8 GHz Qualcomm Snapdragon 888 1.4 GHz Qualcomm Snapdragon 400 MSM8928
RAM ? ? 6 GB 16 GB 2 GB
Storage 8 GB * 142 MB 128 GB 512 GB 16 GB
Main Camera 5 megapixel Yes 23 megapixel 64 megapixel 8 megapixel
Wide Camera - - 16 megapixel 12 megapixel -
Tele Camera - - - 8 megapixel -
Video Capture 720p HD QCIF (176 x 144) 4K UHD 8K 1080p HD
Front Camera Yes - 8 megapixel 24 megapixel 2 megapixel
Weight 4.8 oz
(136g)
3.24 oz
(92g)
9.81 oz
(278g)
7.41 oz
(210g)
6.6 oz
(187g)
Dimensions 4.5" x 2.31" x 0.37"
(114 x 59 x 9.4 mm)
3.76" x 1.92" x 0.73"
(96 x 49 x 18.5 mm)
6.5" x 2.95" x 0.63"
(165 x 75 x 16 mm)
6.82" x 3.04" x 0.38"
(173 x 77 x 9.6 mm)
5.37" x 2.69" x 0.52"
(136 x 68 x 13.2 mm)
Form Factor Slab Clamshell Slab Slab Slab
Platform / OS iOS (proprietary) Android Android Android
Network Bands

CDMA: 850, 1900

WCDMA: 2, 5

GSM: 850, 900, 1800, 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

5G: 1, 2, 3, 5, 7, 8, 12, 13, 14, 18, 20, 25, 26, 28, 30, 38, 40, 41, 46, 48, 66, 71, 77-C, 78, 257, 258, 260, 261

4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 46, 48, 66, 71

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

GSM: 850, 900, 1800, 1900

4G LTE: 4, 13

WCDMA: 1, 2, 5, 8

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

Data Technology EVDO rA HSDPA 3.6 NR (5G) NR (5G) LTE (Cat 3)
Features 
Barometer - - Yes - -
Fingerprint Reader - - Yes
stand-alone
Yes
stand-alone
-
Flashlight - - Yes Yes Yes
GPS / Location n/a Yes n/a n/a n/a
Ruggedized - - Yes - Yes
Water-Resistant - - Yes
IPX8 (SCUBA)
- Yes
IPX8 (SCUBA)
Accessibility
Adjustable Text Size n/a - n/a n/a n/a
Hearing Aid Compatible Yes Yes Yes Yes Yes
Multiple Languages n/a Yes n/a n/a n/a
TTY/TDD (Digital) - Yes Yes - Yes
Alerts
Extra Display - Yes - - -
Ringer Profiles - Yes - - -
Connectivity
Bluetooth Yes Yes Yes Yes Yes
Mobile Hotspot n/a - n/a n/a n/a
NFC - - Yes Yes Yes
USB Yes Yes Yes
USB Type C
Yes
USB Type C
Yes
Micro-USB
UWB - - Yes - -
Wi-Fi Yes
4 (802.11 b,g,n)
- Yes
5 (802.11 a,ac,b,g,n)
Yes
6E (802.11 a,ac,ax,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
Contacts
Picture ID n/a - n/a n/a n/a
Ringer ID n/a - n/a n/a n/a
Voice Dialing n/a - n/a n/a n/a
Customization
Custom Graphics n/a Yes n/a n/a n/a
Custom Ringtones n/a Yes n/a n/a n/a
Real-Music Ringers n/a Yes n/a n/a n/a
Data & Network
Data Tethering n/a - n/a n/a n/a
Dual-SIM - - - Yes -
WAP / Web Browser n/a Yes n/a n/a n/a
Input
Predictive Text Entry n/a Yes n/a n/a n/a
Side Keys Yes Yes Yes Yes Yes
Touch Screen Yes - Yes Yes Yes
Memory
Memory Card Slot - - Yes - Yes
Messaging
Email Client n/a Yes n/a n/a n/a
Instant Messaging n/a Yes n/a n/a n/a
MMS n/a Yes n/a n/a n/a
Text Messaging Templates n/a Yes n/a n/a n/a
Music
Headphone Jack (3.5mm) Yes - Yes - Yes
Music Player n/a - n/a n/a n/a
Stereo Speakers - - - Yes -
Photo & Video
Miracast - - - - Yes
TV Output Yes - - - -
Video Calling n/a - n/a n/a n/a
Power
Fast Charging - - Yes Yes -
Wireless Charging - - Yes - Yes
Productivity
Alarm n/a Yes n/a n/a n/a
Calculator n/a Yes n/a n/a n/a
Calendar n/a Yes n/a n/a n/a
Voice Memo n/a Yes n/a n/a n/a
Software
Games n/a Yes n/a n/a n/a
Java (J2ME) n/a Yes n/a n/a n/a
Voice
HD Voice - - Yes Yes -
Push-To-Talk - - Yes - Yes
Speaker Phone Yes Yes Yes Yes Yes
  Apple iPhone 4 (CDMA) ZTE Z221 Kyocera DuraForce Ultra 5G Asus Smartphone for Snapdragon Insiders Kyocera Brigadier
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone Apple iPhone 4 (CDMA) ZTE Z221 Kyocera DuraForce Ultra 5G Asus Smartphone for Snapdragon Insiders Kyocera Brigadier

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