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Phone AT&T Maestro 3 Kyocera DuraForce Ultra 5G Siemens S66 / S65 / SP65 Kyocera 3225 Kyocera DuraPlus
Current U.S. Carriers (none) Verizon (none) (none) (none)
Global Availability Released Released Released Released Released
Specifications 
Display Size 6.5" diag.
20 : 9
5.5" diag.
18 : 9
? ? 2" diag.
4 : 3
Display Resolution & Type 720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
1080 x 2160 pixels
(~443 ppi)
LCD (TFT/TFD)
132 x 176 pixels
LCD (TFT/TFD)
?
LCD (Grayscale)
240 x 320 pixels
(~200 ppi)
LCD (TFT/TFD)
Display Refresh 60 Hz 60 Hz ? ? ?
Battery 3,900 mAh 4,500 mAh 750 mAh ? 1,650 mAh
Processor 2 GHz MediaTek Helio A22 (MT6761) 2.4 GHz Qualcomm Snapdragon 765G ? ? ?
RAM 3 GB 6 GB ? ? 128 MB
Storage 32 GB 128 GB ? raw hardware ? raw hardware 256 MB
Main Camera 13 megapixel 23 megapixel 1 megapixel - -
Wide Camera 5 megapixel 16 megapixel - - -
Tele Camera - - - - -
Video Capture 1080p HD 4K UHD QCIF (176 x 144) - -
Front Camera 5 megapixel 8 megapixel - - -
Weight 6.24 oz
(177g)
9.81 oz
(278g)
3.46 oz
(98g)
4.23 oz
(120g)
6.67 oz
(189g)
Dimensions 6.58" x 3.03" x 0.33"
(167 x 77 x 8.4 mm)
6.5" x 2.95" x 0.63"
(165 x 75 x 16 mm)
4.29" x 1.89" x 0.71"
(109 x 48 x 18 mm)
3.4" x 1.97" x 1.02"
(86 x 50 x 25.9 mm)
5.28" x 2.17" x 0.93"
(134 x 55 x 23.6 mm)
Form Factor Slab Slab Slab Slab Slab
Platform / OS Android Android (proprietary) (proprietary) (proprietary)
Network Bands

4G LTE: 2, 4, 5, 12, 14, 30

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

GSM: 850, 1800, 1900

*

CDMA: 850, 1900

AMPS: 850

CDMA: 800, 850, 1900

Data Technology LTE (Cat 4) NR (5G) GPRS 1xRTT EVDO rA
Features 
Barometer Yes Yes - - -
Fingerprint Reader Yes
stand-alone
Yes
stand-alone
- - -
Flashlight Yes Yes - - Yes
GPS / Location n/a n/a - Yes Yes
Ruggedized - Yes - - Yes
Water-Resistant - Yes
IPX8 (SCUBA)
- - Yes
Accessibility
Adjustable Text Size n/a n/a - - Yes
Hearing Aid Compatible Yes Yes - - Yes
Multiple Languages n/a n/a Yes Yes Yes
TTY/TDD (Digital) - Yes - Yes Yes
Alerts
Ringer Profiles - - Yes - -
Connectivity
Bluetooth Yes Yes Yes - Yes
Infrared (IR) - - Yes - -
NFC - Yes - - -
USB Yes
USB Type C
Yes
USB Type C
Yes - Yes
Micro-USB
UWB - Yes - - -
Wi-Fi Yes
5 (802.11 a,ac,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 - Yes
Voice Dialing n/a n/a - Yes Yes
Customization
Custom Graphics n/a n/a Yes Yes Yes
Custom Ringtones n/a n/a Yes Yes Yes
Data & Network
Data Tethering n/a n/a Yes Yes -
WAP / Web Browser n/a n/a Yes Yes Yes
Input
Predictive Text Entry n/a n/a Yes Yes Yes
Side Keys Yes Yes Yes - Yes
Touch Screen Yes Yes - - -
Memory
Memory Card Slot Yes Yes Yes - -
Messaging
Email Client n/a n/a Yes - -
EMS / Picture Messaging n/a n/a Yes Yes -
Instant Messaging n/a n/a Yes - -
MMS n/a n/a Yes - Yes
Text Messaging Templates n/a n/a - - Yes
Music
Headphone Jack (3.5mm) Yes Yes - - -
Power
Fast Charging - Yes - - -
Wireless Charging - Yes - - -
Productivity
Alarm n/a n/a Yes Yes Yes
Calculator n/a n/a Yes Yes Yes
Calendar n/a n/a Yes Yes Yes
To-Do List n/a n/a Yes - -
Voice Memo n/a n/a Yes - Yes
Software
BREW n/a n/a - Yes Yes
Games n/a n/a Yes Yes Yes
Java (J2ME) n/a n/a Yes - Yes
Voice
HD Voice Yes Yes - - -
Headset Jack (2.5 mm) n/a n/a - Yes Yes
Push-To-Talk - Yes - - Yes
Speaker Phone Yes Yes Yes Yes Yes
  AT&T Maestro 3 Kyocera DuraForce Ultra 5G Siemens S66 / S65 / SP65 Kyocera 3225 Kyocera DuraPlus
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone AT&T Maestro 3 Kyocera DuraForce Ultra 5G Siemens S66 / S65 / SP65 Kyocera 3225 Kyocera DuraPlus

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