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Phone AT&T Maestro 3 HTC 10 Palm Treo 600 (GSM) Samsung Galaxy S22
Current U.S. Carriers (none) (none) (none) (none)
Global Availability Released Released Released Released
Specifications 
Display Size 6.5" diag.
20 : 9
5.2" diag.
16 : 9
? 6.1" diag.
19.5 : 9
Display Resolution & Type 720 x 1600 pixels
(~270 ppi)
LCD (TFT/TFD)
1440 x 2560 pixels
(~565 ppi)
LCD (TFT/TFD)
160 x 160 pixels
LCD (Color)
1080 x 2340 pixels
(~422 ppi)
AMOLED
Display Refresh 60 Hz 60 Hz ? 120 Hz
Battery 3,900 mAh 3,000 mAh ? 3,700 mAh
Processor 2 GHz MediaTek Helio A22 (MT6761) 2.2 GHz Qualcomm Snapdragon 820 (MSM8996) ? Snapdragon 8 Gen 1
RAM 3 GB 4 GB ? 8 GB
Storage 32 GB 32 GB * ? raw hardware 128 GB *
Main Camera 13 megapixel 12 megapixel Yes 50 megapixel
Wide Camera 5 megapixel - - 12 megapixel
Tele Camera - - - 10 megapixel
Video Capture 1080p HD 4K UHD - 8K
Front Camera 5 megapixel 5 megapixel - 10 megapixel
Weight 6.24 oz
(177g)
5.68 oz
(161g)
5.92 oz
(168g)
5.93 oz
(168g)
Dimensions 6.58" x 3.03" x 0.33"
(167 x 77 x 8.4 mm)
5.74" x 2.83" x 0.35"
(146 x 72 x 9 mm)
4.41" x 2.36" x 0.87"
(112 x 60 x 22.1 mm)
5.75" x 2.78" x 0.3"
(146 x 71 x 7.6 mm)
Platform / OS Android Android Palm OS Android
Network Bands

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

4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 17, 20, 28, 29, 30

WCDMA: 1, 2, 4, 5

CDMA: 850, 1900

GSM: 850, 900, 1800, 1900

*

GSM: 850, 900, 1800, 1900

5G: 2, 5, 7, 12, 25, 30, 38, 41, 48, 66, 71, 77-A, 77-C, 78, 257, 258, 260, 261

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

WCDMA: 1, 2, 4, 5, 8

GSM: 850, 900, 1800, 1900

Data Technology LTE (Cat 4) LTE (Cat 9) GPRS NR (5G)
Features 
Barometer Yes - - Yes
Fingerprint Reader Yes
stand-alone
Yes - Yes
in-display (ultrasonic)
Flashlight Yes Yes - Yes
Water-Resistant - Yes
IPX3 (falling spray)
- Yes
IPX8 (SCUBA)
Accessibility
Hearing Aid Compatible Yes Yes - Yes
TTY/TDD (Digital) - Yes Yes Yes
Connectivity
Bluetooth Yes
Classic Audio
Yes
Classic Audio
- Yes
Classic Audio
Infrared (IR) - - Yes -
MirrorLink - Yes - -
NFC - Yes - Yes
USB Yes
USB Type C
Yes
USB Type C
Yes Yes
USB Type C
Wi-Fi Yes
5 (802.11 a,ac,b,g,n)
Yes
5 (802.11 a,ac,b,g,n)
- Yes
6 (802.11 a,ac,ax,b,g,n)
Input
Side Keys Yes Yes Yes Yes
Text Keyboard, Hardware - - Yes -
Touch Screen Yes Yes Yes Yes
Memory
Memory Card Slot Yes Yes Yes -
Music
Headphone Jack (3.5mm) Yes Yes - -
Stereo Speakers - - - Yes
Photo & Video
DLNA - Yes - -
Miracast - Yes - -
TV Output - Yes - Yes
Power
Fast Charging - Yes - Yes
Wireless Charging - - - Yes
Voice
HD Voice Yes Yes - Yes
Speaker Phone Yes Yes Yes Yes
  AT&T Maestro 3 HTC 10 Palm Treo 600 (GSM) Samsung Galaxy S22
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NOTE: Differences are highlighted with bold / black text for visual clarity only.

 
Phone AT&T Maestro 3 HTC 10 Palm Treo 600 (GSM) Samsung Galaxy S22

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